[Gluster-devel] [Gluster-users] Lot of EIO errors in disperse volume
Ankireddypalle Reddy
areddy at commvault.com
Mon Jan 23 08:29:11 UTC 2017
Xavi,
For each of the files that were reported by self-heal I have verified that size/version indeed do not match. How would the patch help in this case..
Thanks and Regards,
Ram
Sent from my iPhone
> On Jan 23, 2017, at 3:11 AM, Xavier Hernandez <xhernandez at datalab.es> wrote:
>
> Hi Ram,
>
>> On 20/01/17 21:06, Ankireddypalle Reddy wrote:
>> Attachments (2):
>>
>> 1
>>
>>
>>
>> glustershd.log
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://imap.commvault.com/webconsole/api/drive/publicshare/346714/file/bf5c8c5cfa18417d813fd7cd50372165/action/preview&downloadUrl=https://imap.commvault.com/webconsole/api/contentstore/publicshare/346714/file/bf5c8c5cfa18417d813fd7cd50372165/action/download>
>> [Download]
>> <https://imap.commvault.com/webconsole/api/contentstore/publicshare/346714/file/bf5c8c5cfa18417d813fd7cd50372165/action/download>(7.34
>> MB)
>>
>> 2
>>
>>
>>
>> heal.txt
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://imap.commvault.com/webconsole/api/drive/publicshare/346714/file/7e02ac52561a490980c3fc23030181bd/action/preview&downloadUrl=https://imap.commvault.com/webconsole/api/contentstore/publicshare/346714/file/7e02ac52561a490980c3fc23030181bd/action/download>
>> [Download]
>> <https://imap.commvault.com/webconsole/api/contentstore/publicshare/346714/file/7e02ac52561a490980c3fc23030181bd/action/download>(4.72
>> KB)
>>
>> Xavi/Ashish,
>> Thanks for checking the issue. For now I am
>> first focusing on trying to understand why the heals are failing. I
>> debugged further and had to make the following change in the code. Heals
>> were failing with EINVAL as the gf_uuid_is_null check was failing in
>> ec_heal.
>>
>> +++ b/xlators/cluster/ec/src/ec-heald.c
>> @@ -145,7 +145,7 @@ ec_shd_inode_find (xlator_t *this, xlator_t *subvol,
>> - gf_uuid_copy (loc.gfid, gfid);
>> + gf_uuid_copy (loc.inode->gfid, gfid);
>
> This change is not correct. The just created inode will be filled by a successful lookup. If it's not correctly filled, it means something is failing there.
>
>>
>> After making the changes heals have now started
>> failing with error code ENOTCONN. Manually triggering the heal or
>> self-heal always shows the same files. I then enabled TRACE level
>> logging for a while and collected the logs.
>>
>> The message "W [MSGID: 122056] [ec-combine.c:875:ec_combine_check]
>> 0-glusterfsProd-disperse-1: Mismatching xdata in answers of 'LOOKUP' for
>> 483d1b8a-bc3d-4c7b-8239-076df42465d4" repeated 3 times between
>> [2017-01-20 19:57:04.083827] and [2017-01-20 19:58:04.055500]
>> [2017-01-20 19:58:04.103848] W [MSGID: 122002]
>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-0: Heal failed
>> [Transport endpoint is not connected]
>> [2017-01-20 19:58:04.109726] W [MSGID: 122053]
>> [ec-common.c:117:ec_check_status] 0-glusterfsProd-disperse-0: Operation
>> LOOKUP failed on some subvolumes for
>> d4198d6c-345e-4f6b-a511-c81ee767c80c (up=7, mask=7, remaining=0, good=3,
>> bad=4)
>> [2017-01-20 19:58:04.110554] W [MSGID: 122002]
>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-1: Heal failed
>> [Transport endpoint is not connected]
>
> Could you apply patch https://review.gluster.org/16435/ ? I think you are seeing a lot of false positive errors that are adding a lot of noise to the real problem.
>
>>
>>
>> Please find attached the trace logs and heal info output.
>
> I'll examine the logs to see if there's something, but the previous patch will help a lot.
>
> Xavi
>
>>
>> Thanks and Regards,
>> Ram
>>
>> -----Original Message-----
>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>> Sent: Friday, January 20, 2017 3:05 AM
>> To: Ankireddypalle Reddy; Ashish Pandey
>> Cc: gluster-users at gluster.org; Gluster Devel (gluster-devel at gluster.org)
>> Subject: Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>> disperse volume
>>
>>> On 20/01/17 08:55, Ankireddypalle Reddy wrote:
>>> Xavi,
>>> Thanks. Please let me know the functions that we need to
>> track for any inconsistencies in the return codes from multiple bricks
>> for issue 1. I will start doing that.
>>>
>>> 1. Why the write fails in first place
>>
>> The best way would be to see the logs. Related functions already log
>> messages when this happens.
>>
>> In ec_check_status() there's a message logged if something has failed,
>> but before that there should also be some error messages indicating the
>> reason of the failure.
>>
>> Please, note that some of the errors logged by ec_check_status() are not
>> real problems. See patch http://review.gluster.org/16435/ for more info.
>>
>> Xavi
>>
>>>
>>> Thanks and Regards,
>>> Ram
>>>
>>> -----Original Message-----
>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>> Sent: Friday, January 20, 2017 2:41 AM
>>> To: Ankireddypalle Reddy; Ashish Pandey
>>> Cc: gluster-users at gluster.org; Gluster Devel (gluster-devel at gluster.org)
>>> Subject: Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>> disperse volume
>>>
>>> Hi Ram,
>>>
>>>> On 20/01/17 08:02, Ankireddypalle Reddy wrote:
>>>> Ashish,
>>>>
>>>> Thanks for looking in to the issue. In the given
>>>> example the size/version matches for file on glusterfs4 and glusterfs5
>>>> nodes. The file is empty on glusterfs6. Now what happens if glusterfs5
>>>> goes down. Though the SLA factor of 2 is met still I will not be able
>>>> to access the data.
>>>
>>> True, but having a brick with inconsistent data is the same as having it
>>> down. You would have lost 2 bricks out of 3.
>>>
>>> The problem is how to detect the inconsistent data, what is causing it
>>> and why self-heal (apparently) is not healing it.
>>>
>>>> The problem is that writes did not fail for the file
>>>> to indicate the issue to the application.
>>>
>>> That's the expected behavior. Since we have redundancy 1, a loss or
>>> failure on a single fragment is hidden from the application. However
>>> this triggers internal procedures to repair the problem on the
>>> background. This also seems to not be working.
>>>
>>> There are two issues to identify here:
>>>
>>> 1. Why the write fails in first place
>>> 2. Why self-heal is unable to repair it
>>>
>>> Probably the root cause is the same for both problems, but I'm not sure.
>>>
>>> For 1 there should be some warning or error in the mount log, since one
>>> of the bricks is reporting an error, even if ec is able to report
>>> success to the application later.
>>>
>>> For 2 the analysis could be more complex, but most probably there should
>>> be some warning or error message in the mount log and/or self-heal log
>>> of one of the servers.
>>>
>>> Xavi
>>>
>>>> It’s not that we are
>>>> encountering issue for every file on the mount point. The issue happens
>>>> randomly for different files.
>>>>
>>>>
>>>>
>>>> [root at glusterfs4 glusterfs]# gluster volume info
>>>>
>>>>
>>>>
>>>> Volume Name: glusterfsProd
>>>>
>>>> Type: Distributed-Disperse
>>>>
>>>> Volume ID: 622aa3ee-958f-485f-b3c1-fb0f6c8db34c
>>>>
>>>> Status: Started
>>>>
>>>> Number of Bricks: 12 x (2 + 1) = 36
>>>>
>>>> Transport-type: tcp
>>>>
>>>> Bricks:
>>>>
>>>> Brick1: glusterfs4sds:/ws/disk1/ws_brick
>>>>
>>>> Brick2: glusterfs5sds:/ws/disk1/ws_brick
>>>>
>>>> Brick3: glusterfs6sds:/ws/disk1/ws_brick
>>>>
>>>> Brick4: glusterfs4sds:/ws/disk10/ws_brick
>>>>
>>>> Brick5: glusterfs5sds:/ws/disk10/ws_brick
>>>>
>>>> Brick6: glusterfs6sds:/ws/disk10/ws_brick
>>>>
>>>> Brick7: glusterfs4sds:/ws/disk11/ws_brick
>>>>
>>>> Brick8: glusterfs5sds:/ws/disk11/ws_brick
>>>>
>>>> Brick9: glusterfs6sds:/ws/disk11/ws_brick
>>>>
>>>> Brick10: glusterfs4sds:/ws/disk2/ws_brick
>>>>
>>>> Brick11: glusterfs5sds:/ws/disk2/ws_brick
>>>>
>>>> Brick12: glusterfs6sds:/ws/disk2/ws_brick
>>>>
>>>> Brick13: glusterfs4sds:/ws/disk3/ws_brick
>>>>
>>>> Brick14: glusterfs5sds:/ws/disk3/ws_brick
>>>>
>>>> Brick15: glusterfs6sds:/ws/disk3/ws_brick
>>>>
>>>> Brick16: glusterfs4sds:/ws/disk4/ws_brick
>>>>
>>>> Brick17: glusterfs5sds:/ws/disk4/ws_brick
>>>>
>>>> Brick18: glusterfs6sds:/ws/disk4/ws_brick
>>>>
>>>> Brick19: glusterfs4sds:/ws/disk5/ws_brick
>>>>
>>>> Brick20: glusterfs5sds:/ws/disk5/ws_brick
>>>>
>>>> Brick21: glusterfs6sds:/ws/disk5/ws_brick
>>>>
>>>> Brick22: glusterfs4sds:/ws/disk6/ws_brick
>>>>
>>>> Brick23: glusterfs5sds:/ws/disk6/ws_brick
>>>>
>>>> Brick24: glusterfs6sds:/ws/disk6/ws_brick
>>>>
>>>> Brick25: glusterfs4sds:/ws/disk7/ws_brick
>>>>
>>>> Brick26: glusterfs5sds:/ws/disk7/ws_brick
>>>>
>>>> Brick27: glusterfs6sds:/ws/disk7/ws_brick
>>>>
>>>> Brick28: glusterfs4sds:/ws/disk8/ws_brick
>>>>
>>>> Brick29: glusterfs5sds:/ws/disk8/ws_brick
>>>>
>>>> Brick30: glusterfs6sds:/ws/disk8/ws_brick
>>>>
>>>> Brick31: glusterfs4sds:/ws/disk9/ws_brick
>>>>
>>>> Brick32: glusterfs5sds:/ws/disk9/ws_brick
>>>>
>>>> Brick33: glusterfs6sds:/ws/disk9/ws_brick
>>>>
>>>> Brick34: glusterfs4sds:/ws/disk12/ws_brick
>>>>
>>>> Brick35: glusterfs5sds:/ws/disk12/ws_brick
>>>>
>>>> Brick36: glusterfs6sds:/ws/disk12/ws_brick
>>>>
>>>> Options Reconfigured:
>>>>
>>>> storage.build-pgfid: on
>>>>
>>>> performance.readdir-ahead: on
>>>>
>>>> nfs.export-dirs: off
>>>>
>>>> nfs.export-volumes: off
>>>>
>>>> nfs.disable: on
>>>>
>>>> auth.allow: glusterfs4sds,glusterfs5sds,glusterfs6sds
>>>>
>>>> diagnostics.client-log-level: INFO
>>>>
>>>> [root at glusterfs4 glusterfs]#
>>>>
>>>>
>>>>
>>>> Thanks and Regards,
>>>>
>>>> Ram
>>>>
>>>> *From:*Ashish Pandey [mailto:aspandey at redhat.com]
>>>> *Sent:* Thursday, January 19, 2017 10:36 PM
>>>> *To:* Ankireddypalle Reddy
>>>> *Cc:* Xavier Hernandez; gluster-users at gluster.org; Gluster Devel
>>>> (gluster-devel at gluster.org)
>>>> *Subject:* Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>>>> disperse volume
>>>>
>>>>
>>>>
>>>> Ram,
>>>>
>>>>
>>>>
>>>> I don't understand what do you mean by saying "redundancy factor of 2 is
>>>> met in a 3:1 disperse volume".
>>>> You have given the xattr's of only 3 bricks.
>>>>
>>>> All the above 2 sentence and output of getxattr contradicts each other.
>>>>
>>>> In the given scenario, if you have (2+1) ec configuration, and 2 bricks
>>>> are having same size and version, then there should not be
>>>>
>>>> any problem to access this file. Run heal and 3rd fragment will also
>>>> bee healthy.
>>>>
>>>>
>>>>
>>>> I think there has been major gap in providing the complete and correct
>>>> information about the volume and all the logs and activities.
>>>> Could you please provide the following -
>>>>
>>>> 1 - gluster v info - please give us the output of this command
>>>>
>>>> 2 - Let's consider only one file which you are not able to access and
>>>> find out the reason.
>>>>
>>>> 3 - Try to create and write some files on mount point and see if there
>>>> is any issue with new file creation if yes, why, provide logs.
>>>>
>>>>
>>>>
>>>> Specific but enough information is required to find the root cause of
>>>> the issue.
>>>>
>>>>
>>>>
>>>> Ashish
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------
>>>>
>>>> *From: *"Ankireddypalle Reddy" <areddy at commvault.com
>>>> <mailto:areddy at commvault.com>>
>>>> *To: *"Ankireddypalle Reddy" <areddy at commvault.com
>>>> <mailto:areddy at commvault.com>>, "Xavier Hernandez"
>>>> <xhernandez at datalab.es <mailto:xhernandez at datalab.es>>
>>>> *Cc: *gluster-users at gluster.org <mailto:gluster-users at gluster.org>,
>>>> "Gluster Devel (gluster-devel at gluster.org
>>>> <mailto:gluster-devel at gluster.org>)" <gluster-devel at gluster.org
>>>> <mailto:gluster-devel at gluster.org>>
>>>> *Sent: *Friday, January 20, 2017 3:20:46 AM
>>>> *Subject: *Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>>>> disperse volume
>>>>
>>>>
>>>>
>>>> Xavi,
>>>> Finally I am able to locate the files for which we are
>>>> seeing the mismatch.
>>>>
>>>>
>>>>
>>>> [2017-01-19 21:20:10.002737] W [MSGID: 122056]
>>>> [ec-combine.c:875:ec_combine_check] 0-glusterfsProd-disperse-0:
>>>> Mismatching xdata in answers of 'LOOKUP' for
>>>> f5e61224-17f6-4803-9f75-dd74cd79e248
>>>> [2017-01-19 21:20:10.002776] W [MSGID: 122006]
>>>> [ec-combine.c:207:ec_iatt_combine] 0-glusterfsProd-disperse-0: Failed to
>>>> combine iatt (inode: 11490333518038950472-11490333518038950472, links:
>>>> 1-1, uid: 0-0, gid: 0-0, rdev: 0-0, size: 4800512-4734976, mode:
>>>> 100775-100775) for f5e61224-17f6-4803-9f75-dd74cd79e248
>>>>
>>>>
>>>>
>>>> GFID f5e61224-17f6-4803-9f75-dd74cd79e248 maps to file
>>>>
>> /ws/disk1/ws_brick/Folder_01.05.2017_21.15/CV_MAGNETIC/V_32410/CHUNK_424795/SFILE_CONTAINER_158
>>>>
>>>>
>>>>
>>>> The size field differs between the bricks of this sub volume.
>>>>
>>>>
>>>>
>>>> [root at glusterfs4 glusterfs]# getfattr -d -e hex -m .
>>>>
>> /ws/disk1/ws_brick/Folder_01.05.2017_21.15/CV_MAGNETIC/V_32410/CHUNK_424795/SFILE_CONTAINER_158
>>>> trusted.ec.size=0x00000000000e0000
>>>> trusted.ec.version=0x00000000000000080000000000000008
>>>>
>>>>
>>>>
>>>> [root at glusterfs5 ws]# getfattr -d -e hex -m .
>>>>
>> /ws/disk1/ws_brick/Folder_01.05.2017_21.15/CV_MAGNETIC/V_32410/CHUNK_424795/SFILE_CONTAINER_158
>>>> trusted.ec.size=0x00000000000e0000
>>>> trusted.ec.version=0x00000000000000080000000000000008
>>>>
>>>>
>>>>
>>>> [root at glusterfs6 glusterfs]# getfattr -d -e hex -m .
>>>>
>> /ws/disk1/ws_brick/Folder_01.05.2017_21.15/CV_MAGNETIC/V_32410/CHUNK_424795/SFILE_CONTAINER_158
>>>> getfattr: Removing leading '/' from absolute path names
>>>> trusted.ec.size=0x0000000000000000
>>>> trusted.ec.version=0x00000000000000000000000000000008
>>>>
>>>>
>>>>
>>>> On glusterfs6 writes seem to have failed and the file appears to be an
>>>> empty file.
>>>> [root at glusterfs6 glusterfs]# stat
>>>>
>> /ws/disk1/ws_brick/Folder_01.05.2017_21.15/CV_MAGNETIC/V_32410/CHUNK_424795/SFILE_CONTAINER_158
>>>> File:
>>>>
>> '/ws/disk1/ws_brick/Folder_01.05.2017_21.15/CV_MAGNETIC/V_32410/CHUNK_424795/SFILE_CONTAINER_158'
>>>> Size: 0 Blocks: 0 IO Block: 4096 regular
>>>> empty file
>>>>
>>>>
>>>>
>>>> This looks like a major issue. Since we are left with no redundancy for
>>>> these files and if the brick on other node fails then we will not be
>>>> able to access this data though the redundancy factor of 2 is met in a
>>>> 3:1 disperse volume.
>>>>
>>>>
>>>>
>>>> Thanks and Regards,
>>>> Ram
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: gluster-users-bounces at gluster.org
>>>> <mailto:gluster-users-bounces at gluster.org>
>>>> [mailto:gluster-users-bounces at gluster.org] On Behalf Of
>> Ankireddypalle Reddy
>>>> Sent: Monday, January 16, 2017 9:41 AM
>>>> To: Xavier Hernandez
>>>> Cc: gluster-users at gluster.org <mailto:gluster-users at gluster.org>;
>>>> Gluster Devel (gluster-devel at gluster.org
>> <mailto:gluster-devel at gluster.org>)
>>>> Subject: Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>>>> disperse volume
>>>>
>>>>
>>>>
>>>> Xavi,
>>>> Thanks. I will start by tracking the delta if any in return
>>>> codes from the bricks for writes in EC. I have a feeling that if we
>>>> could get to the bottom of this issue then the EIO errors could be
>>>> ultimately avoided. Please note that while we are testing all these on
>>>> a standby setup we continue to encounter the EIO errors on our
>>>> production setup which is running @ 3.7.18.
>>>>
>>>>
>>>>
>>>> Thanks and Regards,
>>>> Ram
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>> Sent: Monday, January 16, 2017 6:54 AM
>>>> To: Ankireddypalle Reddy
>>>> Cc: gluster-users at gluster.org <mailto:gluster-users at gluster.org>;
>>>> Gluster Devel (gluster-devel at gluster.org
>> <mailto:gluster-devel at gluster.org>)
>>>> Subject: Re: [Gluster-devel] [Gluster-users] Lot of EIO errors in
>>>> disperse volume
>>>>
>>>>
>>>>
>>>> Hi Ram,
>>>>
>>>>
>>>>
>>>>> On 16/01/17 12:33, Ankireddypalle Reddy wrote:
>>>>> Xavi,
>>>>> Thanks. Is there any other way to map from GFID to path.
>>>>
>>>>
>>>>
>>>> The only way I know is to search all files from bricks and lookup for
>>>> the trusted.gfid xattr.
>>>>
>>>>
>>>>
>>>>> I will look for a way to share the TRACE logs. Easier way might be
>> to add some extra logging. I could do that if you could let me know
>> functions in which you are interested..
>>>>
>>>>
>>>>
>>>> The problem is that I don't know where the problem is. One possibility
>>>> could be to track all return values from all bricks for all writes and
>>>> then identify which ones belong to an inconsistent file.
>>>>
>>>>
>>>>
>>>> But if this doesn't reveal anything interesting we'll need to look at
>>>> some other place. And this can be very tedious and slow.
>>>>
>>>>
>>>>
>>>> Anyway, what we are looking now is not the source of an EIO, since there
>>>> are two bricks with consistent state and the file should be perfectly
>>>> readable and writable. It's true that there's some problem here and it
>>>> could derive in EIO if one of the healthy bricks degrades, but at least
>>>> this file shouldn't be giving EIO errors for now.
>>>>
>>>>
>>>>
>>>> Xavi
>>>>
>>>>
>>>>
>>>>>
>>>>> Sent on from my iPhone
>>>>>
>>>>>> On Jan 16, 2017, at 6:23 AM, Xavier Hernandez
>> <xhernandez at datalab.es <mailto:xhernandez at datalab.es>> wrote:
>>>>>>
>>>>>> Hi Ram,
>>>>>>
>>>>>>> On 13/01/17 18:41, Ankireddypalle Reddy wrote:
>>>>>>> Xavi,
>>>>>>> I enabled TRACE logging. The log grew up to 120GB and
>> could not make much out of it. Then I started logging GFID in the code
>> where we were seeing errors.
>>>>>>>
>>>>>>> [2017-01-13 17:02:01.761349] I [dict.c:3065:dict_dump_to_log]
>> 0-glusterfsProd-disperse-0: dict=0x7fa6706bc690
>> ((trusted.ec.size:0:0:0:0:30:6b:0:0:)(trusted.ec.version:0:0:0:0:0:0:2a:38:0:0:0:0:0:0:2a:38:))
>>>>>>> [2017-01-13 17:02:01.761360] I [dict.c:3065:dict_dump_to_log]
>> 0-glusterfsProd-disperse-0: dict=0x7fa6706bed64
>> ((trusted.ec.size:0:0:0:0:0:0:0:0:)(trusted.ec.version:0:0:0:0:0:0:0:0:0:0:0:0:0:0:2a:38:))
>>>>>>> [2017-01-13 17:02:01.761365] W [MSGID: 122056]
>> [ec-combine.c:881:ec_combine_check] 0-glusterfsProd-disperse-0:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>> [2017-01-13 17:02:01.761405] I [dict.c:166:key_value_cmp]
>> 0-glusterfsProd-disperse-0: 'trusted.ec.size' is different in two dicts
>> (8, 8)
>>>>>>> [2017-01-13 17:02:01.761417] I [dict.c:3065:dict_dump_to_log]
>> 0-glusterfsProd-disperse-0: dict=0x7fa6706bbb14
>> ((trusted.ec.size:0:0:0:0:30:6b:0:0:)(trusted.ec.version:0:0:0:0:0:0:2a:38:0:0:0:0:0:0:2a:38:))
>>>>>>> [2017-01-13 17:02:01.761428] I [dict.c:3065:dict_dump_to_log]
>> 0-glusterfsProd-disperse-0: dict=0x7fa6706bed64
>> ((trusted.ec.size:0:0:0:0:0:0:0:0:)(trusted.ec.version:0:0:0:0:0:0:0:0:0:0:0:0:0:0:2a:38:))
>>>>>>> [2017-01-13 17:02:01.761433] W [MSGID: 122056]
>> [ec-combine.c:881:ec_combine_check] 0-glusterfsProd-disperse-0:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>> [2017-01-13 17:02:01.761442] W [MSGID: 122006]
>> [ec-combine.c:214:ec_iatt_combine] 0-glusterfsProd-disperse-0: Failed to
>> combine iatt (inode: 11275691004192850514-11275691004192850514, gfid:
>> 60b990ed-d741-4176-9c7b-4d3a25fb8252 -
>> 60b990ed-d741-4176-9c7b-4d3a25fb8252, links: 1-1, uid: 0-0, gid: 0-0,
>> rdev: 0-0,size: 406650880-406683648,
>>>> mode: 100775-100775)
>>>>>>>
>>>>>>> The file for which we are seeing this error turns out to be having
>> a GFID of 60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>>
>>>>>>> Then I tried looking for find out the file with this GFID. It
>> pointed me to following path. I was expecting a real file system path
>> from the following turorial:
>>>>>>> https://gluster.readthedocs.io/en/latest/Troubleshooting/gfid-to-path/
>>>>>>
>>>>>> I think this method only works if bricks have the inode cached.
>>>>>>
>>>>>>>
>>>>>>> getfattr -n trusted.glusterfs.pathinfo -e text
>> /mnt/gfid/.gfid/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> getfattr: Removing leading '/' from absolute path names
>>>>>>> # file: mnt/gfid/.gfid/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> trusted.glusterfs.pathinfo="(<DISTRIBUTE:glusterfsProd-dht>
>> (<EC:glusterfsProd-disperse-0>
>> <POSIX(/ws/disk1/ws_brick):glusterfs6:/ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252>
>> <POSIX(/ws/disk1/ws_brick):glusterfs5:/ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252>))"
>>>>>>>
>>>>>>> Then I looked for the xatttrs for these files from all the 3 bricks
>>>>>>>
>>>>>>> [root at glusterfs4 glusterfs]# getfattr -d -m . -e hex
>> /ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> getfattr: Removing leading '/' from absolute path names
>>>>>>> # file:
>> ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> trusted.bit-rot.version=0x02000000000000005877a8dc00041138
>>>>>>> trusted.ec.config=0x0000080301000200
>>>>>>> trusted.ec.size=0x0000000000000000
>>>>>>> trusted.ec.version=0x00000000000000000000000000002a38
>>>>>>> trusted.gfid=0x60b990edd74141769c7b4d3a25fb8252
>>>>>>>
>>>>>>> [root at glusterfs5 bricks]# getfattr -d -m . -e hex
>> /ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> getfattr: Removing leading '/' from absolute path names
>>>>>>> # file:
>> ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> trusted.bit-rot.version=0x02000000000000005877a8dc000c92d0
>>>>>>> trusted.ec.config=0x0000080301000200
>>>>>>> trusted.ec.dirty=0x00000000000000160000000000000000
>>>>>>> trusted.ec.size=0x00000000306b0000
>>>>>>> trusted.ec.version=0x0000000000002a380000000000002a38
>>>>>>> trusted.gfid=0x60b990edd74141769c7b4d3a25fb8252
>>>>>>>
>>>>>>> [root at glusterfs6 ee]# getfattr -d -m . -e hex
>> /ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> getfattr: Removing leading '/' from absolute path names
>>>>>>> # file:
>> ws/disk1/ws_brick/.glusterfs/60/b9/60b990ed-d741-4176-9c7b-4d3a25fb8252
>>>>>>> trusted.bit-rot.version=0x02000000000000005877a8dc000c9436
>>>>>>> trusted.ec.config=0x0000080301000200
>>>>>>> trusted.ec.dirty=0x00000000000000160000000000000000
>>>>>>> trusted.ec.size=0x00000000306b0000
>>>>>>> trusted.ec.version=0x0000000000002a380000000000002a38
>>>>>>> trusted.gfid=0x60b990edd74141769c7b4d3a25fb8252
>>>>>>>
>>>>>>> It turns out that the size and version in fact does not match for
>> one of the files.
>>>>>>
>>>>>> It seems as if the brick on glusterfs4 didn't receive any write
>> request (or they failed for some reason). Do you still have the trace
>> log ? is there any way I could download it ?
>>>>>>
>>>>>> Xavi
>>>>>>
>>>>>>>
>>>>>>> Thanks and Regards,
>>>>>>> Ram
>>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: gluster-devel-bounces at gluster.org
>>>> <mailto:gluster-devel-bounces at gluster.org>
>>>> [mailto:gluster-devel-bounces at gluster.org] On Behalf Of
>> Ankireddypalle Reddy
>>>>>>> Sent: Friday, January 13, 2017 4:17 AM
>>>>>>> To: Xavier Hernandez
>>>>>>> Cc: gluster-users at gluster.org <mailto:gluster-users at gluster.org>;
>> Gluster
>>>> Devel (gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>)
>>>>>>> Subject: Re: [Gluster-devel] [Gluster-users] Lot of EIO errors in
>> disperse volume
>>>>>>>
>>>>>>> Xavi,
>>>>>>> Thanks for explanation. Will collect TRACE logs today.
>>>>>>>
>>>>>>> Thanks and Regards,
>>>>>>> Ram
>>>>>>>
>>>>>>> Sent from my iPhone
>>>>>>>
>>>>>>>> On Jan 13, 2017, at 3:03 AM, Xavier Hernandez
>> <xhernandez at datalab.es <mailto:xhernandez at datalab.es>> wrote:
>>>>>>>>
>>>>>>>> Hi Ram,
>>>>>>>>
>>>>>>>>> On 12/01/17 22:14, Ankireddypalle Reddy wrote:
>>>>>>>>> Xavi,
>>>>>>>>> I changed the logging to log the individual bytes.
>> Consider the following from ws-glus.log file where /ws/glus is the mount
>> point.
>>>>>>>>>
>>>>>>>>> [2017-01-12 20:47:59.368102] I [MSGID: 109063]
>>>>>>>>> [dht-layout.c:718:dht_layout_normalize] 0-glusterfsProd-dht: Found
>>>>>>>>> anomalies in
>>>>>>>>> /Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607 (gfid =
>>>>>>>>> e694387f-dde7-410b-9562-914a994d5e85). Holes=1 overlaps=0
>>>>>>>>> [2017-01-12 20:47:59.391218] I [MSGID: 109036]
>>>>>>>>> [dht-common.c:9082:dht_log_new_layout_for_dir_selfheal]
>>>>>>>>> 0-glusterfsProd-dht: Setting layout of
>>>>>>>>> /Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607 with
>>>>>>>>> [Subvol_name: glusterfsProd-disperse-0, Err: -1 , Start:
>> 2505397587 ,
>>>>>>>>> Stop: 2863311527 , Hash: 1 ], [Subvol_name:
>> glusterfsProd-disperse-1,
>>>>>>>>> Err: -1 , Start: 2863311528 , Stop: 3221225468 , Hash: 1 ],
>>>>>>>>> [Subvol_name: glusterfsProd-disperse-10, Err: -1 , Start: 3221225469
>>>>>>>>> , Stop: 3579139409 , Hash: 1 ], [Subvol_name:
>>>>>>>>> glusterfsProd-disperse-11, Err: -1 , Start: 3579139410 , Stop:
>>>>>>>>> 3937053350 , Hash: 1 ], [Subvol_name: glusterfsProd-disperse-2, Err:
>>>>>>>>> -1 , Start: 3937053351 , Stop: 4294967295 , Hash: 1 ], [Subvol_name:
>>>>>>>>> glusterfsProd-disperse-3, Err: -1 , Start: 0 , Stop: 357913940 ,
>>>>>>>>> Hash: 1 ], [Subvol_name: glusterfsProd-disperse-4, Err: -1 , Start:
>>>>>>>>> 357913941 , Stop: 715827881 , Hash: 1 ], [Subvol_name:
>>>>>>>>> glusterfsProd-disperse-5, Err: -1 , Start: 715827882 , Stop:
>>>>>>>>> 1073741822 , Hash
>>>>>>> : 1 ], [Subvol_name: glusterfsProd-disperse-6, Err: -1 , Start:
>> 1073741823 , Stop: 1431655763 , Hash: 1 ], [Subvol_name:
>> glusterfsProd-disperse-7, Err: -1 , Start: 1431655764 , Stop: 1789569704
>> , Hash: 1 ], [Subvol_name: glusterfsProd-disperse-8, Err: -1 , Start:
>> 1789569705 , Stop: 2147483645 , Hash: 1 ], [Subvol_name:
>>>> glusterfsProd-disperse-9, Err: -1 , Start: 2147483646 , Stop: 2505397586
>>>> , Hash: 1 ],
>>>>>>>>>
>>>>>>>>> Self-heal seems to be triggered for path
>> /Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607 due to
>> anomalies as per DHT. It would be great if someone could explain what
>> could be the anomaly here. The setup where we encountered this is a
>> fairly stable setup with no brick failures or no node failures.
>>>>>>>>
>>>>>>>> This is not really a self-heal, at least from the point of view
>> of ec. This means that DHT has found a discrepancy in the layout of that
>> directory, however this doesn't mean any problem (notice the 'I' in the
>> log, meaning that it's informative, not a warning nor error).
>>>>>>>>
>>>>>>>> Not sure how DHT works in this case or why it finds this
>> "anomaly", but if there aren't any previous errors before that message,
>> it can be completely ignored.
>>>>>>>>
>>>>>>>> Not sure if it can be related to option
>> cluster.weighted-rebalance that is enabled by default.
>>>>>>>>
>>>>>>>>>
>>>>>>>>> Then Self-heal seems to have encountered the following
>> error.
>>>>>>>>>
>>>>>>>>> [2017-01-12 20:48:23.418432] I [dict.c:166:key_value_cmp]
>>>>>>>>> 0-glusterfsProd-disperse-2: 'trusted.ec.version' is different in two
>>>>>>>>> dicts (16, 16)
>>>>>>>>> [2017-01-12 20:48:23.418496] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-2: dict=0x7f0b649520ac
>>>>>>>>>
>> ((trusted.glusterfs.dht:0:0:0:1:0:0:0:0:0:0:0:0:15:55:55:54:)(trusted
>>>>>>>>> .ec.version:0:0:0:0:0:0:0:b:0:0:0:0:0:0:0:e:))
>>>>>>>>> [2017-01-12 20:48:23.418519] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-2: dict=0x7f0b6495b4e0
>>>>>>>>>
>> ((trusted.glusterfs.dht:0:0:0:1:0:0:0:0:0:0:0:0:15:55:55:54:)(trusted
>>>>>>>>> .ec.version:0:0:0:0:0:0:0:d:0:0:0:0:0:0:0:e:))
>>>>>>>>> [2017-01-12 20:48:23.418531] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-2:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>
>>>>>>>> That's a real problem. Here we have two bricks that differ in the
>> trusted.ec.version xattr. However this xattr not necessarily belongs to
>> the previous directory. They are unrelated messages.
>>>>>>>>
>>>>>>>>>
>>>>>>>>> In this case glusterfsProd-disperse-2 sub volume
>> actually consists of the following bricks.
>>>>>>>>> glusterfs4sds:/ws/disk11/ws_brick, glusterfs5sds:
>>>>>>>>> /ws/disk11/ws_brick, glusterfs6sds: /ws/disk11/ws_brick
>>>>>>>>>
>>>>>>>>> I went ahead and checked the value of
>> trusted.ec.version on all the 3 bricks inside this sub vol:
>>>>>>>>>
>>>>>>>>> [root at glusterfs6 ~]# getfattr -e hex -n
>> trusted.ec.version
>> /ws/disk11/ws_brick//Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607
>>>>>>>>> # file:
>> ws/disk11/ws_brick//Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607
>>>>>>>>> trusted.ec.version=0x0000000000000009000000000000000b
>>>>>>>>>
>>>>>>>>> [root at glusterfs4 ~]# getfattr -e hex -n
>> trusted.ec.version
>> /ws/disk11/ws_brick//Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607
>>>>>>>>> # file:
>> ws/disk11/ws_brick//Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607
>>>>>>>>> trusted.ec.version=0x0000000000000009000000000000000b
>>>>>>>>>
>>>>>>>>> [root at glusterfs5 glusterfs]# getfattr -e hex -n
>> trusted.ec.version
>> /ws/disk11/ws_brick//Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607
>>>>>>>>> # file:
>> ws/disk11/ws_brick//Folder_01.05.2017_21.15/CV_MAGNETIC/V_30970/CHUNK_390607
>>>>>>>>> trusted.ec.version=0x0000000000000009000000000000000b
>>>>>>>>>
>>>>>>>>> The attribute value seems to be same on all the 3 bricks.
>>>>>>>>
>>>>>>>> That's a clear indication that the ec warning is not related to
>> this directory because trusted.ec.version always increases, never
>> decreases, and the directory has a value smaller that the one that
>> appears in the log message.
>>>>>>>>
>>>>>>>> If you show all dict entries in the log, it seems that it does
>> refer to a directory because trusted.ec.size is not present, but it must
>> be another directory than the one you looked at. We would need to find
>> which one is having this issue. The TRACE log would be helpful here.
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> Also please note that every single time that the
>> trusted.ec.version was found to mismatch the same values are getting
>> logged. Following are 2 more instances of trusted.ec.version mismatch.
>>>>>>>>>
>>>>>>>>> [2017-01-12 20:14:25.554540] I [dict.c:166:key_value_cmp]
>>>>>>>>> 0-glusterfsProd-disperse-2: 'trusted.ec.version' is different in two
>>>>>>>>> dicts (16, 16)
>>>>>>>>> [2017-01-12 20:14:25.554588] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-2: dict=0x7f0b6495a9f0
>>>>>>>>>
>> ((glusterfs.open-fd-count:30:0:)(trusted.glusterfs.dht:0:0:0:1:0:0:0:
>>>>>>>>>
>> 0:0:0:0:0:15:55:55:54:)(trusted.ec.version:0:0:0:0:0:0:0:d:0:0:0:0:0:
>>>>>>>>> 0:0:e:))
>>>>>>>>> [2017-01-12 20:14:25.554608] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-2: dict=0x7f0b6495903c
>>>>>>>>>
>> ((glusterfs.open-fd-count:30:0:)(trusted.glusterfs.dht:0:0:0:1:0:0:0:
>>>>>>>>>
>> 0:0:0:0:0:15:55:55:54:)(trusted.ec.version:0:0:0:0:0:0:0:b:0:0:0:0:0:
>>>>>>>>> 0:0:e:))
>>>>>>>>> [2017-01-12 20:14:25.554624] W [MSGID: 122053]
>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-2:
>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>> good=3, bad=4)
>>>>>>>>> [2017-01-12 20:14:25.554632] W [MSGID: 122002]
>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-2: Heal
>>>>>>>>> failed [Invalid argument]
>>>>>>>>> [2017-01-12 20:14:25.555598] I [dict.c:166:key_value_cmp]
>>>>>>>>> 0-glusterfsProd-disperse-2: 'trusted.ec.version' is different in two
>>>>>>>>> dicts (16, 16)
>>>>>>>>> [2017-01-12 20:14:25.555622] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-2: dict=0x7f0b64956c24
>>>>>>>>>
>> ((glusterfs.open-fd-count:30:0:)(trusted.glusterfs.dht:0:0:0:1:0:0:0:
>>>>>>>>>
>> 0:0:0:0:0:15:55:55:54:)(trusted.ec.version:0:0:0:0:0:0:0:b:0:0:0:0:0:
>>>>>>>>> 0:0:e:))
>>>>>>>>> [2017-01-12 20:14:25.555638] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-2: dict=0x7f0b64964e8c
>>>>>>>>>
>> ((glusterfs.open-fd-count:30:0:)(trusted.glusterfs.dht:0:0:0:1:0:0:0:
>>>>>>>>>
>> 0:0:0:0:0:15:55:55:54:)(trusted.ec.version:0:0:0:0:0:0:0:d:0:0:0:0:0:
>>>>>>>>> 0:0:e:))
>>>>>>>>
>>>>>>>>
>>>>>>>> I think that this refers to the same directory. This seems an
>> attempt to heal it that has failed. So it makes sense that it finds
>> exactly the same values.
>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> In glustershd.log lot of similar errors are logged.
>>>>>>>>>
>>>>>>>>> [2017-01-12 21:10:53.728770] I [dict.c:166:key_value_cmp]
>>>>>>>>> 0-glusterfsProd-disperse-0: 'trusted.ec.size' is different in two
>>>>>>>>> dicts (8, 8)
>>>>>>>>> [2017-01-12 21:10:53.728804] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-0: dict=0x7f21694b6f50
>>>>>>>>>
>> ((trusted.ec.size:0:0:0:0:42:3a:0:0:)(trusted.ec.version:0:0:0:0:0:0:
>>>>>>>>> 37:5f:0:0:0:0:0:0:37:5f:))
>>>>>>>>> [2017-01-12 21:10:53.728827] I [dict.c:3065:dict_dump_to_log]
>>>>>>>>> 0-glusterfsProd-disperse-0: dict=0x7f21694b62bc
>>>>>>>>>
>> ((trusted.ec.size:0:0:0:0:0:ca:0:0:)(trusted.ec.version:0:0:0:0:0:0:0
>>>>>>>>> :a1:0:0:0:0:0:0:37:5f:))
>>>>>>>>> [2017-01-12 21:10:53.728842] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-0:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>> [2017-01-12 21:10:53.728854] W [MSGID: 122053]
>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-0:
>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>> good=6, bad=1)
>>>>>>>>> [2017-01-12 21:10:53.728876] W [MSGID: 122002]
>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-0: Heal
>>>>>>>>> failed [Invalid argument]
>>>>>>>>
>>>>>>>> This seems an attempt to heal a file, but I see a lot of
>> differences between both versions. The size on one brick is 13.238.272
>> bytes, but on the other brick it's 1.111.097.344 bytes. That's a huge
>> difference.
>>>>>>>>
>>>>>>>> Looking at the trusted.ec.version, I see that the 'data' version
>> is very different (from 161 to 14.175), however the metadata version is
>> exactly the same. This really seems like a lot of writes while one brick
>> was down (or disconnected for some reason, or writes failed for some
>> reason). One brick has lost about 14.000
>>>> writes of ~80KB.
>>>>>>>>
>>>>>>>> I think the most important thing right now would be to identify
>> which files and directories are having these problems to be able to
>> identify the cause. Again, the TRACE log will be really useful.
>>>>>>>>
>>>>>>>> Xavi
>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thanks and Regards,
>>>>>>>>> Ram
>>>>>>>>>
>>>>>>>>> -----Original Message-----
>>>>>>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>>>>>>> Sent: Thursday, January 12, 2017 6:40 AM
>>>>>>>>> To: Ankireddypalle Reddy
>>>>>>>>> Cc: Gluster Devel (gluster-devel at gluster.org
>> <mailto:gluster-devel at gluster.org>);
>>>>>>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>> Subject: Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>>>>>>>>> disperse volume
>>>>>>>>>
>>>>>>>>> Hi Ram,
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> On 12/01/17 11:49, Ankireddypalle Reddy wrote:
>>>>>>>>>> Xavi,
>>>>>>>>>> As I mentioned before the error could happen for any
>> FOP. Will try to run with TRACE debug level. Is there a possibility that
>> we are checking for this attribute on a directory, because a directory
>> does not seem to be having this attribute set.
>>>>>>>>>
>>>>>>>>> No, directories do not have this attribute and no one should be
>> reading it from a directory.
>>>>>>>>>
>>>>>>>>>> Also is the function to check size and version called after it
>> is decided that heal should be run or is this check is the one which
>> decides whether a heal should be run.
>>>>>>>>>
>>>>>>>>> Almost all checks that trigger a heal are done in the lookup fop
>> when some discrepancy is detected.
>>>>>>>>>
>>>>>>>>> The function that checks size and version is called later once a
>> lock on the inode is acquired (even if no heal is needed). However
>> further failures in the processing of any fop can also trigger a self-heal.
>>>>>>>>>
>>>>>>>>> Xavi
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks and Regards,
>>>>>>>>>> Ram
>>>>>>>>>>
>>>>>>>>>> Sent from my iPhone
>>>>>>>>>>
>>>>>>>>>>> On Jan 12, 2017, at 2:25 AM, Xavier Hernandez
>> <xhernandez at datalab.es <mailto:xhernandez at datalab.es>> wrote:
>>>>>>>>>>>
>>>>>>>>>>> Hi Ram,
>>>>>>>>>>>
>>>>>>>>>>>> On 12/01/17 02:36, Ankireddypalle Reddy wrote:
>>>>>>>>>>>> Xavi,
>>>>>>>>>>>> I added some more logging information. The
>> trusted.ec.size field values are in fact different.
>>>>>>>>>>>> trusted.ec.size l1 = 62719407423488 l2 = 0
>>>>>>>>>>>
>>>>>>>>>>> That's very weird. Directories do not have this attribute.
>> It's only present on regular files. But you said that the error happens
>> while creating the file, so it doesn't make much sense because file
>> creation always sets trusted.ec.size to 0.
>>>>>>>>>>>
>>>>>>>>>>> Could you reproduce the problem with
>> diagnostics.client-log-level set to TRACE and send the log to me ? it
>> will create a big log, but I'll have much more information about what's
>> going on.
>>>>>>>>>>>
>>>>>>>>>>> Do you have a mixed setup with nodes of different types ? for
>> example mixed 32/64 bits architectures or different operating systems ?
>> I ask this because 62719407423488 in hex is 0x390B00000000, which has
>> the lower 32 bits set to 0, but has garbage above that.
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> This is a fairly static setup with no brick/ node
>> failure. Please explain why is that a heal is being triggered and what
>> could have acutually caused these size xattrs to differ. This is
>> causing random I/O failures and is impacting the backup schedules.
>>>>>>>>>>>
>>>>>>>>>>> The launch of self-heal is normal because it has detected an
>> inconsistency. The real problem is what originates that inconsistency.
>>>>>>>>>>>
>>>>>>>>>>> Xavi
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> [ 2017-01-12 01:19:18.256970] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-8:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-12 01:19:18.257015] W [MSGID: 122053]
>>>>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-8:
>>>>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>>>>> good=3, bad=4)
>>>>>>>>>>>> [2017-01-12 01:19:18.257018] W [MSGID: 122002]
>>>>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-8: Heal
>>>>>>>>>>>> failed [Invalid argument]
>>>>>>>>>>>> [2017-01-12 01:19:21.002028] E [dict.c:197:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-4: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-12 01:19:21.002056] E [dict.c:166:log_value]
>>>>>>>>>>>> 0-glusterfsProd-disperse-4: trusted.ec.size [ l1 = 62719407423488
>>>>>>>>>>>> l2 = 0 i1 = 0 i2 = 0 ]
>>>>>>>>>>>> [2017-01-12 01:19:21.002064] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-4:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-12 01:19:21.209640] E [dict.c:197:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-4: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-12 01:19:21.209673] E [dict.c:166:log_value]
>>>>>>>>>>>> 0-glusterfsProd-disperse-4: trusted.ec.size [ l1 = 62719407423488
>>>>>>>>>>>> l2 = 0 i1 = 0 i2 = 0 ]
>>>>>>>>>>>> [2017-01-12 01:19:21.209686] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-4:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-12 01:19:21.209719] W [MSGID: 122053]
>>>>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-4:
>>>>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>>>>> good=6, bad=1)
>>>>>>>>>>>> [2017-01-12 01:19:21.209753] W [MSGID: 122002]
>>>>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-4: Heal
>>>>>>>>>>>> failed [Invalid argument]
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>> Ram
>>>>>>>>>>>>
>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>> From: Ankireddypalle Reddy
>>>>>>>>>>>> Sent: Wednesday, January 11, 2017 9:29 AM
>>>>>>>>>>>> To: Ankireddypalle Reddy; Xavier Hernandez; Gluster Devel
>>>>>>>>>>>> (gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>);
>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>> Subject: RE: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>>>>>>>>>>>> disperse volume
>>>>>>>>>>>>
>>>>>>>>>>>> Xavi,
>>>>>>>>>>>> I built a debug binary to log more information. This
>> is what is getting logged. Looks like it is the attribute
>> trusted.ec.size which is different among the bricks in a sub volume.
>>>>>>>>>>>>
>>>>>>>>>>>> In glustershd.log :
>>>>>>>>>>>>
>>>>>>>>>>>> [2017-01-11 14:19:45.023845] N [MSGID: 122029]
>> [ec-generic.c:683:ec_combine_lookup] 0-glusterfsProd-disperse-8:
>> Mismatching iatt in answers of 'GF_FOP_LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.027718] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-6: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.027736] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-6:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.027763] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-6: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.027781] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-6:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.027793] W [MSGID: 122053]
>>>>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-6:
>>>>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>>>>> good=6, bad=1)
>>>>>>>>>>>> [2017-01-11 14:19:45.027815] W [MSGID: 122002]
>>>>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-6: Heal
>>>>>>>>>>>> failed [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:19:45.029035] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-8: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.029057] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-8:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.029089] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-8: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.029105] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-8:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.029121] W [MSGID: 122053]
>>>>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-8:
>>>>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>>>>> good=6, bad=1)
>>>>>>>>>>>> [2017-01-11 14:19:45.032566] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-6: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.029138] W [MSGID: 122002]
>>>>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-8: Heal
>>>>>>>>>>>> failed [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:19:45.032585] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-6:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.032614] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-6: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.032631] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-6:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.032638] W [MSGID: 122053]
>>>>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-6:
>>>>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>>>>> good=6, bad=1)
>>>>>>>>>>>> [2017-01-11 14:19:45.032654] W [MSGID: 122002]
>>>>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-6: Heal
>>>>>>>>>>>> failed [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:19:45.037514] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-6: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.037536] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-6:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.037553] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-6: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:19:45.037573] W [MSGID: 122056]
>> [ec-combine.c:873:ec_combine_check] 0-glusterfsProd-disperse-6:
>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>> [2017-01-11 14:19:45.037582] W [MSGID: 122053]
>>>>>>>>>>>> [ec-common.c:116:ec_check_status] 0-glusterfsProd-disperse-6:
>>>>>>>>>>>> Operation failed on some subvolumes (up=7, mask=7, remaining=0,
>>>>>>>>>>>> good=6, bad=1)
>>>>>>>>>>>> [2017-01-11 14:19:45.037599] W [MSGID: 122002]
>>>>>>>>>>>> [ec-common.c:71:ec_heal_report] 0-glusterfsProd-disperse-6: Heal
>>>>>>>>>>>> failed [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:40.001401] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-3: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>> [2017-01-11 14:20:40.001387] E [dict.c:166:key_value_cmp]
>>>>>>>>>>>> 0-glusterfsProd-disperse-5: 'trusted.ec.size' is different in two
>>>>>>>>>>>> dicts (8, 8)
>>>>>>>>>>>>
>>>>>>>>>>>> In the mount daemon log:
>>>>>>>>>>>>
>>>>>>>>>>>> [2017-01-11 14:20:17.806826] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-0:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.806847] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-0:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807076] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-1:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807099] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-1:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807286] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-10:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807298] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-10:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807409] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-11:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807420] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-11:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807448] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-4:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807462] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-4:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807539] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-2:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807550] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-2:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807723] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-3:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807739] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-3:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807785] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-5:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.807796] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-5:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.808020] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-9:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.808034] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-9:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.808054] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-6:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.808066] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-6:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.808282] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-8:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.808292] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-8:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.809212] E [MSGID: 122001]
>>>>>>>>>>>> [ec-common.c:872:ec_config_check] 2-glusterfsProd-disperse-7:
>>>>>>>>>>>> Invalid or corrupted config [Invalid argument]
>>>>>>>>>>>> [2017-01-11 14:20:17.809228] E [MSGID: 122066]
>>>>>>>>>>>> [ec-common.c:969:ec_prepare_update_cbk]
>> 2-glusterfsProd-disperse-7:
>>>>>>>>>>>> Invalid config xattr [Invalid argument]
>>>>>>>>>>>>
>>>>>>>>>>>> [2017-01-11 14:20:17.812660] I [MSGID: 109036]
>>>>>>>>>>>> [dht-common.c:8043:dht_log_new_layout_for_dir_selfheal]
>>>>>>>>>>>> 2-glusterfsProd-dht: Setting layout of
>>>>>>>>>>>> /Folder_01.05.2017_21.15/CV_MAGNETIC/V_31500/CHUNK_402578 with
>>>>>>>>>>>> [Subvol_name: glusterfsProd-disperse-0, Err: -1 , Start:
>>>>>>>>>>>> 1789569705 , Stop: 2147483645 , Hash: 1 ], [Subvol_name:
>>>>>>>>>>>> glusterfsProd-disperse-1, Err: -1 , Start: 2147483646 , Stop:
>>>>>>>>>>>> 2505397586 , Hash: 1 ], [Subvol_name: glusterfsProd-disperse-10,
>>>>>>>>>>>> Err: -1 , Start: 2505397587 , Stop: 2863311527 , Hash: 1 ],
>>>>>>>>>>>> [Subvol_name: glusterfsProd-disperse-11, Err: -1 , Start:
>>>>>>>>>>>> 2863311528 , Stop: 3221225468 , Hash: 1 ], [Subvol_name:
>>>>>>>>>>>> glusterfsProd-disperse-2, Err: -1 , Start: 3221225469 , Stop:
>>>>>>>>>>>> 3579139409 , Hash: 1 ], [Subvol_name:
>> glusterfsProd-disperse-3, Err:
>>>>>>>>>>>> -1 , Start: 3579139410 , Stop: 3937053350 , Hash: 1 ],
>> [Subvol_name:
>>>>>>>>>>>> glusterfsProd-disperse-4, Err: -1 , Start: 3937053351 , Stop:
>>>>>>>>>>>> 4294967295 , Hash: 1 ], [Subvol_name:
>> glusterfsProd-disperse-5, Err:
>>>>>>>>>>>> -1 , Start: 0 , Stop: 357913940 , Hash: 1 ], [Subvol_name:
>>>>>>>>>>>> glusterfsProd-disperse-6, Err: -1 , Start: 357913941 , Stop:
>>>>>>>>>>>> 715827881 , Hash: 1 ], [Subvol_name:
>> glusterfsProd-disperse-7, Err:
>>>>>>>>>>>> -1 , Start: 715827882 , Stop: 1073741822 , Hash: 1 ],
>> [Subvol_name:
>>>>>>>>>>>> glusterfsProd-disperse-8, Err: -1 , Start: 1073741823 , Stop:
>>>>>>>>>>>> 1431655763 , Hash: 1 ], [Subvol_name:
>> glusterfsProd-disperse-9, Err:
>>>>>>>>>>>> -1 , Start: 1431655764 , Stop: 1789569704 , Hash: 1 ],
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>> From: gluster-users-bounces at gluster.org
>> <mailto:gluster-users-bounces at gluster.org>
>>>>>>>>>>>> [mailto:gluster-users-bounces at gluster.org] On Behalf Of
>>>>>>>>>>>> Ankireddypalle Reddy
>>>>>>>>>>>> Sent: Tuesday, January 10, 2017 10:09 AM
>>>>>>>>>>>> To: Xavier Hernandez; Gluster Devel
>> (gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>);
>>>>>>>>>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>> Subject: Re: [Gluster-users] [Gluster-devel] Lot of EIO errors in
>>>>>>>>>>>> disperse volume
>>>>>>>>>>>>
>>>>>>>>>>>> Xavi,
>>>>>>>>>>>> In this case it's the file creation which failed. So
>> I provided the xattrs of the parent.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>> Ram
>>>>>>>>>>>>
>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>>>>>>>>>> Sent: Tuesday, January 10, 2017 9:10 AM
>>>>>>>>>>>> To: Ankireddypalle Reddy; Gluster Devel
>>>>>>>>>>>> (gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>);
>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>> Subject: Re: [Gluster-devel] Lot of EIO errors in disperse volume
>>>>>>>>>>>>
>>>>>>>>>>>> Hi Ram,
>>>>>>>>>>>>
>>>>>>>>>>>>> On 10/01/17 14:42, Ankireddypalle Reddy wrote:
>>>>>>>>>>>>> Attachments (2):
>>>>>>>>>>>>>
>>>>>>>>>>>>> 1
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ec.txt
>>>>>>>>>>>>>
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://im
>>>>
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://im%0b>>>>>>>>>>
>>>> ap
>>>>>>>>>>>>> .co
>>>>>>>>>>>>>
>> mmvault.com/webconsole/api/drive/publicshare/346714/file/ee2d1536
>>>>>>>>>>>>> c2
>>>>>>>>>>>>> dc4
>>>>>>>>>>>>>
>> dff94afb12132b4f8f6/action/preview&downloadUrl=https://imap.commvault.
>>>>>>>>>>>>>
>> com/webconsole/api/contentstore/publicshare/346714/file/ee2d1536c
>>>>>>>>>>>>> 2d c4d ff94afb12132b4f8f6/action/download>
>>>>>>>>>>>>> [Download]
>>>>>>>>>>>>>
>> <https://imap.commvault.com/webconsole/api/contentstore/publicsha
>>>>
>> <https://imap.commvault.com/webconsole/api/contentstore/publicsha%0b>>>>>>>>>>
>>>> re
>>>>>>>>>>>>> /34
>>>>>>>>>>>>>
>> 6714/file/ee2d1536c2dc4dff94afb12132b4f8f6/action/download>(11.50
>>>>>>>>>>>>> KB)
>>>>>>>>>>>>>
>>>>>>>>>>>>> 2
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ws-glus.log
>>>>>>>>>>>>>
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://im
>>>>
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://im%0b>>>>>>>>>>
>>>> ap
>>>>>>>>>>>>> .co
>>>>>>>>>>>>>
>> mmvault.com/webconsole/api/drive/publicshare/346714/file/cff3e050
>>>>>>>>>>>>> 6e
>>>>>>>>>>>>> 754
>>>>>>>>>>>>>
>> b9a939db02da1cbbd58/action/preview&downloadUrl=https://imap.commvault.
>>>>>>>>>>>>>
>> com/webconsole/api/contentstore/publicshare/346714/file/cff3e0506
>>>>>>>>>>>>> e7 54b 9a939db02da1cbbd58/action/download>
>>>>>>>>>>>>> [Download]
>>>>>>>>>>>>>
>> <https://imap.commvault.com/webconsole/api/contentstore/publicsha
>>>>
>> <https://imap.commvault.com/webconsole/api/contentstore/publicsha%0b>>>>>>>>>>
>>>> re
>>>>>>>>>>>>> /34
>>>>>>>>>>>>> 6714/file/cff3e0506e754b9a939db02da1cbbd58/action/download>(3.48
>>>>>>>>>>>>> MB)
>>>>>>>>>>>>>
>>>>>>>>>>>>> Xavi,
>>>>>>>>>>>>> We are encountering errors for different kinds of FOPS.
>>>>>>>>>>>>> The open failed for the following file:
>>>>>>>>>>>>>
>>>>>>>>>>>>> cvd_2017_01_10_02_28_26.log:98182 1f9fe 01/10
>> 00:57:10 8414465
>>>>>>>>>>>>> [MEDIAFS ] 20117519-52075477
>> SingleInstancer_FS::StartDataFile2:
>>>>>>>>>>>>> Failed to create the data file
>>>>>>>>>>>>>
>> [/ws/glus/Folder_07.11.2016_23.02/CV_MAGNETIC/V_8854974/CHUNK_513
>>>>>>>>>>>>> 42
>>>>>>>>>>>>> 720 /SFILE_CONTAINER_062],
>> error=0xECCC0005:{CQiFile::Open(92)} +
>>>>>>>>>>>>> {CQiUTFOSAPI::open(96)/ErrNo.5.(Input/output error)-Open failed,
>>>>>>>>>>>>>
>> File=/ws/glus/Folder_07.11.2016_23.02/CV_MAGNETIC/V_8854974/CHUNK
>>>>>>>>>>>>> _5
>>>>>>>>>>>>> 134 2720/SFILE_CONTAINER_062, OperationFlag=0xC1,
>>>>>>>>>>>>> PermissionMode=0x1FF}
>>>>>>>>>>>>>
>>>>>>>>>>>>> I've attached the extended attributes for the directories
>>>>>>>>>>>>> /ws/glus/Folder_07.11.2016_23.02/CV_MAGNETIC/V_8854974/
>>>>>>>>>>>>> and
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>> /ws/glus/Folder_07.11.2016_23.02/CV_MAGNETIC/V_8854974/CHUNK_5134
>>>>>>>>>>>>> 27
>>>>>>>>>>>>> 20
>>>>>>>>>>>>> from all the bricks.
>>>>>>>>>>>>>
>>>>>>>>>>>>> The attributes look fine to me. I've also attached some
>>>>>>>>>>>>> log cuts to illustrate the problem.
>>>>>>>>>>>>
>>>>>>>>>>>> I need the extended attributes of the file itself, not the
>> parent directories.
>>>>>>>>>>>>
>>>>>>>>>>>> Xavi
>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>> Ram
>>>>>>>>>>>>>
>>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>>>>>>>>>>> Sent: Tuesday, January 10, 2017 7:53 AM
>>>>>>>>>>>>> To: Ankireddypalle Reddy; Gluster Devel
>>>>>>>>>>>>> (gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>);
>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>>> Subject: Re: [Gluster-devel] Lot of EIO errors in disperse
>> volume
>>>>>>>>>>>>>
>>>>>>>>>>>>> Hi Ram,
>>>>>>>>>>>>>
>>>>>>>>>>>>> the error is caused by an extended attribute that does not match
>>>>>>>>>>>>> on all
>>>>>>>>>>>>> 3 bricks of the disperse set. Most probable value is
>>>>>>>>>>>>> trusted.ec.version, but could be others.
>>>>>>>>>>>>>
>>>>>>>>>>>>> At first sight, I don't see any change from 3.7.8 that could
>> have
>>>>>>>>>>>>> caused this. I'll check again.
>>>>>>>>>>>>>
>>>>>>>>>>>>> What kind of operations are you doing ? this can help me
>> narrow the search.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Xavi
>>>>>>>>>>>>>
>>>>>>>>>>>>>> On 10/01/17 13:43, Ankireddypalle Reddy wrote:
>>>>>>>>>>>>>> Xavi,
>>>>>>>>>>>>>> Thanks. If you could please explain what to look for in
>>>>>>>>>>>>>> the
>>>>>>>>>>>>> extended attributes then I will check and let you know if I find
>>>>>>>>>>>>> anything suspicious. Also we noticed that some of these
>>>>>>>>>>>>> operations would succeed if retried. Do you know of any
>>>>>>>>>>>>> communicated related errors that are being reported/triaged.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>>> Ram
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>>>>>>>>>>>> Sent: Tuesday, January 10, 2017 7:23 AM
>>>>>>>>>>>>>> To: Ankireddypalle Reddy; Gluster Devel
>>>>>>>>>>>>>> (gluster-devel at gluster.org <mailto:gluster-devel at gluster.org>);
>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>>>> Subject: Re: [Gluster-devel] Lot of EIO errors in disperse
>>>>>>>>>>>>>> volume
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi Ram,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On 10/01/17 13:14, Ankireddypalle Reddy wrote:
>>>>>>>>>>>>>>> Attachment (1):
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> 1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> ecxattrs.txt
>>>>>>>>>>>>>>>
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://imap.
>>>>
>> <https://imap.commvault.com/webconsole/embedded.do?url=https://imap.%0b>>>>>>>>>>>>
>>>> c
>>>>>>>>>>>>>>> o
>>>>>>>>>>>>>>>
>> mmvault.com/webconsole/api/drive/publicshare/346714/file/1272e6
>>>>>>>>>>>>>>> 82
>>>>>>>>>>>>>>> 787
>>>>>>>>>>>>>>> 4
>>>>>>>>>>>>>>> 4
>>>>>>>>>>>>>>>
>> f15bf1a54f2b31b559d/action/preview&downloadUrl=https://imap.commvault.
>>>>>>>>>>>>>>>
>> com/webconsole/api/contentstore/publicshare/346714/file/1272e68
>>>>>>>>>>>>>>> 27
>>>>>>>>>>>>>>> 874
>>>>>>>>>>>>>>> 4
>>>>>>>>>>>>>>> f
>>>>>>>>>>>>>>> 15bf1a54f2b31b559d/action/download>
>>>>>>>>>>>>>>> [Download]
>>>>>>>>>>>>>>>
>> <https://imap.commvault.com/webconsole/api/contentstore/publics
>>>>
>> <https://imap.commvault.com/webconsole/api/contentstore/publics%0b>>>>>>>>>>>>
>>>> ha
>>>>>>>>>>>>>>> re/
>>>>>>>>>>>>>>> 3
>>>>>>>>>>>>>>> 4
>>>>>>>>>>>>>>>
>> 6714/file/1272e68278744f15bf1a54f2b31b559d/action/download>(5.9
>>>>>>>>>>>>>>> 2
>>>>>>>>>>>>>>> KB)
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Xavi,
>>>>>>>>>>>>>>> Please find attached the extended attributes for a
>>>>>>>>>>>>>>> directory from all the bricks. Free space check failed for
>> this
>>>>>>>>>>>>>>> with error number EIO.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> What do you mean ? what operation have you made to check the
>>>>>>>>>>>>>> free
>>>>>>>>>>>>> space on that directory ?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> If it's a recursive check, I need the extended attributes from
>>>>>>>>>>>>>> the
>>>>>>>>>>>>> exact file that triggers the EIO. The attached attributes seem
>>>>>>>>>>>>> consistent and that directory shouldn't cause any problem.
>> Does an 'ls'
>>>>>>>>>>>>> on that directory fail or does it show the contents ?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Xavi
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>>>> Ram
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>>>>>>>>>>>>> Sent: Tuesday, January 10, 2017 6:45 AM
>>>>>>>>>>>>>>> To: Ankireddypalle Reddy; Gluster Devel
>>>>>>>>>>>>>>> (gluster-devel at gluster.org
>> <mailto:gluster-devel at gluster.org>);
>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>>>>> Subject: Re: [Gluster-devel] Lot of EIO errors in disperse
>>>>>>>>>>>>>>> volume
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Hi Ram,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> can you execute the following command on all bricks on a file
>>>>>>>>>>>>>>> that is giving EIO ?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> getfattr -m. -e hex -d <path to file in brick>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Xavi
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On 10/01/17 12:41, Ankireddypalle Reddy wrote:
>>>>>>>>>>>>>>>> Xavi,
>>>>>>>>>>>>>>>> We have been running 3.7.8 on these servers. We
>>>>>>>>>>>>>>>> upgraded
>>>>>>>>>>>>>>> to 3.7.18 yesterday. We upgraded all the servers at a time.
>>>>>>>>>>>>>>> The volume was brought down during upgrade.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>>>>> Ram
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> -----Original Message-----
>>>>>>>>>>>>>>>> From: Xavier Hernandez [mailto:xhernandez at datalab.es]
>>>>>>>>>>>>>>>> Sent: Tuesday, January 10, 2017 6:35 AM
>>>>>>>>>>>>>>>> To: Ankireddypalle Reddy; Gluster Devel
>>>>>>>>>>>>>>>> (gluster-devel at gluster.org
>> <mailto:gluster-devel at gluster.org>);
>>>> gluster-users at gluster.org <mailto:gluster-users at gluster.org>
>>>>>>>>>>>>>>>> Subject: Re: [Gluster-devel] Lot of EIO errors in disperse
>>>>>>>>>>>>>>>> volume
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Hi Ram,
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> how did you upgrade gluster ? from which version ?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Did you upgrade one server at a time and waited until
>>>>>>>>>>>>>>>> self-heal
>>>>>>>>>>>>>>> finished before upgrading the next server ?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Xavi
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On 10/01/17 11:39, Ankireddypalle Reddy wrote:
>>>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> We upgraded to GlusterFS 3.7.18 yesterday. We see lot of
>>>>>>>>>>>>>>>>> failures in our applications. Most of the errors are
>> EIO. The
>>>>>>>>>>>>>>>>> following log lines are commonly seen in the logs:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> The message "W [MSGID: 122056]
>>>>>>>>>>>>>>>>> [ec-combine.c:873:ec_combine_check]
>>>>>>>>>>>>>>>>> 0-StoragePool-disperse-4: Mismatching xdata in answers
>> of 'LOOKUP'"
>>>>>>>>>>>>>>>>> repeated 2 times between [2017-01-10 02:46:25.069809] and
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:25.069835]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:25.069852] W [MSGID: 122056]
>>>>>>>>>>>>>>>>> [ec-combine.c:873:ec_combine_check]
>> 0-StoragePool-disperse-5:
>>>>>>>>>>>>>>>>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> The message "W [MSGID: 122056]
>>>>>>>>>>>>>>>>> [ec-combine.c:873:ec_combine_check]
>>>>>>>>>>>>>>>>> 0-StoragePool-disperse-5: Mismatching xdata in answers
>> of 'LOOKUP'"
>>>>>>>>>>>>>>>>> repeated 2 times between [2017-01-10 02:46:25.069852] and
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:25.069873]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:25.069910] W [MSGID: 122056]
>>>>>>>>>>>>>>>>> [ec-combine.c:873:ec_combine_check]
>> 0-StoragePool-disperse-6:
>>>>>>>>>>>>>>>>> Mismatching xdata in answers of 'LOOKUP'
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> ...
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.520774] I [MSGID: 109036]
>>>>>>>>>>>>>>>>> [dht-common.c:9076:dht_log_new_layout_for_dir_selfheal]
>>>>>>>>>>>>>>>>> 0-StoragePool-dht: Setting layout of
>>>>>>>>>>>>>>>>>
>> /Folder_07.11.2016_23.02/CV_MAGNETIC/V_8854213/CHUNK_51334585
>>>>>>>>>>>>>>>>> with
>>>>>>>>>>>>>>>>> [Subvol_name: StoragePool-disperse-0, Err: -1 , Start:
>>>>>>>>>>>>>>>>> 3221225466 ,
>>>>>>>>>>>>>>>>> Stop: 3758096376 , Hash: 1 ], [Subvol_name:
>>>>>>>>>>>>>>>>> StoragePool-disperse-1,
>>>>>>>>>>>>> Err:
>>>>>>>>>>>>>>>>> -1 , Start: 3758096377 , Stop: 4294967295 , Hash: 1 ],
>> [Subvol_name:
>>>>>>>>>>>>>>>>> StoragePool-disperse-2, Err: -1 , Start: 0 , Stop:
>> 536870910 , Hash:
>>>>>>>>>>>>>>>>> 1 ], [Subvol_name: StoragePool-disperse-3, Err: -1 , Start:
>>>>>>>>>>>>>>>>> 536870911 ,
>>>>>>>>>>>>>>>>> Stop: 1073741821 , Hash: 1 ], [Subvol_name:
>>>>>>>>>>>>>>>>> StoragePool-disperse-4,
>>>>>>>>>>>>> Err:
>>>>>>>>>>>>>>>>> -1 , Start: 1073741822 , Stop: 1610612732 , Hash: 1 ],
>> [Subvol_name:
>>>>>>>>>>>>>>>>> StoragePool-disperse-5, Err: -1 , Start: 1610612733 , Stop:
>>>>>>>>>>>>>>>>> 2147483643 ,
>>>>>>>>>>>>>>>>> Hash: 1 ], [Subvol_name: StoragePool-disperse-6, Err: -1
>> , Start:
>>>>>>>>>>>>>>>>> 2147483644 , Stop: 2684354554 , Hash: 1 ], [Subvol_name:
>>>>>>>>>>>>>>>>> StoragePool-disperse-7, Err: -1 , Start: 2684354555 , Stop:
>>>>>>>>>>>>>>>>> 3221225465 ,
>>>>>>>>>>>>>>>>> Hash: 1 ],
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.522841] N [MSGID: 122031]
>>>>>>>>>>>>>>>>> [ec-generic.c:1130:ec_combine_xattrop]
>> 0-StoragePool-disperse-3:
>>>>>>>>>>>>>>>>> Mismatching dictionary in answers of 'GF_FOP_XATTROP'
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> The message "N [MSGID: 122031]
>>>>>>>>>>>>>>>>> [ec-generic.c:1130:ec_combine_xattrop]
>>>>>>>>>>>>>>>>> 0-StoragePool-disperse-3: Mismatching dictionary in answers
>>>>>>>>>>>>>>>>> of 'GF_FOP_XATTROP'" repeated 2 times between [2017-01-10
>>>>>>>>>>>>>>>>> 02:46:26.522841] and [2017-01-10 02:46:26.522894]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.522898] W [MSGID: 122040]
>>>>>>>>>>>>>>>>> [ec-common.c:919:ec_prepare_update_cbk]
>> 0-StoragePool-disperse-3:
>>>>>>>>>>>>>>>>> Failed to get size and version [Input/output error]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.523115] N [MSGID: 122031]
>>>>>>>>>>>>>>>>> [ec-generic.c:1130:ec_combine_xattrop]
>> 0-StoragePool-disperse-6:
>>>>>>>>>>>>>>>>> Mismatching dictionary in answers of 'GF_FOP_XATTROP'
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> The message "N [MSGID: 122031]
>>>>>>>>>>>>>>>>> [ec-generic.c:1130:ec_combine_xattrop]
>>>>>>>>>>>>>>>>> 0-StoragePool-disperse-6: Mismatching dictionary in answers
>>>>>>>>>>>>>>>>> of 'GF_FOP_XATTROP'" repeated 2 times between [2017-01-10
>>>>>>>>>>>>>>>>> 02:46:26.523115] and [2017-01-10 02:46:26.523143]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.523147] W [MSGID: 122040]
>>>>>>>>>>>>>>>>> [ec-common.c:919:ec_prepare_update_cbk]
>> 0-StoragePool-disperse-6:
>>>>>>>>>>>>>>>>> Failed to get size and version [Input/output error]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.523302] N [MSGID: 122031]
>>>>>>>>>>>>>>>>> [ec-generic.c:1130:ec_combine_xattrop]
>> 0-StoragePool-disperse-2:
>>>>>>>>>>>>>>>>> Mismatching dictionary in answers of 'GF_FOP_XATTROP'
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> The message "N [MSGID: 122031]
>>>>>>>>>>>>>>>>> [ec-generic.c:1130:ec_combine_xattrop]
>>>>>>>>>>>>>>>>> 0-StoragePool-disperse-2: Mismatching dictionary in answers
>>>>>>>>>>>>>>>>> of 'GF_FOP_XATTROP'" repeated 2 times between [2017-01-10
>>>>>>>>>>>>>>>>> 02:46:26.523302] and [2017-01-10 02:46:26.523324]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [2017-01-10 02:46:26.523328] W [MSGID: 122040]
>>>>>>>>>>>>>>>>> [ec-common.c:919:ec_prepare_update_cbk]
>> 0-StoragePool-disperse-2:
>>>>>>>>>>>>>>>>> Failed to get size and version [Input/output error]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [root at glusterfs3 Log_Files]# gluster --version
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> glusterfs 3.7.18 built on Dec 8 2016 06:34:26
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> [root at glusterfs3 Log_Files]# gluster volume info
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Volume Name: StoragePool
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Type: Distributed-Disperse
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Volume ID: 149e976f-4e21-451c-bf0f-f5691208531f
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Status: Started
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Number of Bricks: 8 x (2 + 1) = 24
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Transport-type: tcp
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Bricks:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick1: glusterfs1sds:/ws/disk1/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick2: glusterfs2sds:/ws/disk1/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick3: glusterfs3sds:/ws/disk1/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick4: glusterfs1sds:/ws/disk2/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick5: glusterfs2sds:/ws/disk2/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick6: glusterfs3sds:/ws/disk2/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick7: glusterfs1sds:/ws/disk3/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick8: glusterfs2sds:/ws/disk3/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick9: glusterfs3sds:/ws/disk3/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick10: glusterfs1sds:/ws/disk4/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick11: glusterfs2sds:/ws/disk4/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick12: glusterfs3sds:/ws/disk4/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick13: glusterfs1sds:/ws/disk5/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick14: glusterfs2sds:/ws/disk5/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick15: glusterfs3sds:/ws/disk5/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick16: glusterfs1sds:/ws/disk6/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick17: glusterfs2sds:/ws/disk6/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick18: glusterfs3sds:/ws/disk6/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick19: glusterfs1sds:/ws/disk7/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick20: glusterfs2sds:/ws/disk7/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick21: glusterfs3sds:/ws/disk7/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick22: glusterfs1sds:/ws/disk8/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick23: glusterfs2sds:/ws/disk8/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Brick24: glusterfs3sds:/ws/disk8/ws_brick
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Options Reconfigured:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> performance.readdir-ahead: on
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> diagnostics.client-log-level: INFO
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Ram
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> ***************************Legal
>>>>>>>>>>>>>>>>> Disclaimer***************************
>>>>>>>>>>>>>>>>> "This communication may contain confidential and privileged
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>>>>>>>>>>>>>>>>> mistake, please advise the sender by reply email and
>> delete the message. Thank you."
>>>>>>>>>>>>>>>>>
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>>>>>>>>>>>>>>>>> **
>>>>>>>>>>>>>>>>> ***
>>>>>>>>>>>>>>>>> *
>>>>>>>>>>>>>>>>> *
>>>>>>>>>>>>>>>>> *
>>>>>>>>>>>>>>>>> *
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>>> Gluster-devel mailing list
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>>>>>>>>>>>>>>>>> http://www.gluster.org/mailman/listinfo/gluster-devel
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