[Gluster-users] geo-replication 3.6.7 - no transition from hybrid to changelog crawl

Dietmar Putz putz at 3qmedien.net
Wed Jan 20 17:53:31 UTC 2016


Hi Milind,

thank you for your reply...
meanwhile i realized that the setfattr command don't work so i decided 
to delete the affected files and directories but without stopping the 
geo-replication...i did it before i red you mail.
the affected folders are already replicated with the same gfid like on 
the master...so this is solved for the moment.
afterwards i did not receive the 'errcode: 23' messages on the masters 
and the 'Operation not permitted' messages on the slaves for 2 1/2 days 
but the geo-replication restarted all the time about every 2 - 4 hours 
on each active master / slave with below shown "OSError: [Errno 16] 
Device or resource busy" message on master and slave.
anytime the geo-replication restarts i saw following line embedded in 
the event of restart (as shown far below) :

I [dht-layout.c:663:dht_layout_normalize] 0-aut-wien-vol-01-dht: Found 
anomalies in /.gfid/cd3fd9ba-34b8-4c6b-ba72-4796b80b0ff2/.dstXXb70G3x 
(gfid = 00000000-0000-0000-0000-000000000000). Holes=1 overlaps=0

i have found 24 of these hidden .dst* folders. All of them are stored in 
the same 2 different subfolders on the master and slave but the shown 
.dstXXb70G3x is the only one that just exists on the slave volume. I 
checked that folder and deleted it on the slave since it was empty. i 
believe that such folders somehow belongs to the geo-replication 
process  but i have no details.
however, about one day after deletion this folder was recreated on the 
slave again but since deletion there are no more 'Found anomalies' messages.
currently the geo-replication still restarts frequently with the far 
below shown message and unfortunately some 'Operation not permitted' 
messages appears again but for different files than before.
I already checked all folders on master/slave for different gfid's but 
there are no more different gfid's. i guess there is no way around to 
compare all gfid's of all files on master and slave...since it is a 
dist-repl. volume there are several million lines.
if geo-replication then still not works i will start the suggested 
strace of the gsyncd. in regard to the strace i have two questions...

do i need to start the strace on all active masters / slaves or is it 
sufficient to trace one active master and the corresponding active slave ?
should i try to capture a geo-rep restart by the strace or is it 
sufficient to let it run one minute randomly ?


maybe this is of interest to solve the problem...on the active masters 
there are lines like :
...
[2016-01-19 18:34:58.441606] W [master(/gluster-export):1015:process] 
_GMaster: incomplete sync, retrying changelogs: XSYNC-CHANGELOG.1453225971
[2016-01-19 18:36:27.313515] W [master(/gluster-export):1015:process] 
_GMaster: incomplete sync, retrying changelogs: XSYNC-CHANGELOG.1453225971
[2016-01-19 18:37:56.337660] W [master(/gluster-export):996:process] 
_GMaster: changelogs XSYNC-CHANGELOG.1453225971 could not be processed - 
moving on...
[2016-01-19 18:37:56.339124] W [master(/gluster-export):1000:process] 
_GMaster: SKIPPED GFID = 5a47cc07-f32f-4685-ae8e-4969995f3f1c,<huge list 
with gfid's>

they end up in a huge list of comma separated gfid's. is there any hint 
to get benefit out of this xsync-changelogs, a way to find out what was 
incomplete ?

one more thing that concerns me...i'm trying to understand the 
distributed geo-replication.
the master volume is a living object, accessed by some clients who are 
upload, delete and recreate files and folders. not very frequent but i 
observed the mentioned two folders with different gfid's on master / 
slave and now they are deleted by any client on the master volume. The 
geo-replication is still in hybrid crawl and afaik can not delete or 
rename files and folders on the slave volume until changelog mode is 
reached. When now a client recreates the same folders on the master 
again they get a new gfid assigned which are different from the still 
existing gfid's on the slave i believe...so geo-replication should get 
in conflict again because of existing folders on the slave with the same 
path but a different gfid than on the master...like for any other files 
which are deleted and later recreated while geo-rep is in hybrid crawl. 
is that right ?
if so it will be difficult to reach the changelog modus on large gluster 
volumes because in our case the initial hybrid crawl took some days for 
about 45 TB...or r/w access needs to be stopped for that time ?

thanks in advance and
best regards
dietmar




Am 19.01.2016 um 10:53 schrieb Milind Changire:
> Hi Dietmar,
> After discussion with Aravinda we realized that unfortunately the suggestion to:
>        setfattr -n glusterfs.geo-rep.trigger-sync -v "1" <DIR>
>        setfattr -n glusterfs.geo-rep.trigger-sync -v "1" <file-path>
>
> won't work with 3.6.7, since provision for that workaround was added after 3.6.7.
>
> There's an alternative way to achieve the geo-replication:
> 1. stop geo-replication
> 2. delete files and directories with conflicting gfid on SLAVE
> 3. use the "touch" command to touch files and directories with conflicting gfid
>     on MASTER
> 4. start geo-replication
>
> This *should* get things correctly replicated to SLAVE.
> Geo-replication should start with hybrid-crawl and trigger the replication to SLAVE.
>
> If not, then there's more to look at.
> You could then send us output of the strace command for the gsyncd process, while
> geo-replication is running:
> # strace -ff -p <gsyncd-pid> -o gsyncd-strace
>
> You could terminate strace after about one minute and send us all the gsyncd-strace.<pid>
> files which will help us debug the issue if its not resolved by the alternative
> mechanism mentioned above.
>
> Also, crawl status Hybrid Crawl is not an entirely bad thing. It just could mean
> that there's a lot of entries that are being processed. However, if things don't
> return back to the normal state after trying out the alternative suggestion, we
> could take a look at the strace output and get some clues.
>
> --
> Milind
>
> ----- Original Message -----
> From: "Dietmar Putz" <putz at 3qmedien.net>
> To: "Aravinda" <avishwan at redhat.com>, gluster-users at gluster.org, "Milind Changire" <mchangir at redhat.com>
> Sent: Thursday, January 14, 2016 11:07:55 PM
> Subject: Re: [Gluster-users] geo-replication 3.6.7 - no transition from hybrid to changelog crawl
>
> Hello all,
>
> after some days of inactivity i started another attempt to solve this
> geo-replication issue...step by step.
> it looks like that some of the directories on the slave volume does not
> have the same gfid like the corresponding directory on the master volume.
>
> for example :
>
> on a master-node i can see a lot of 'errcode: 23' lines like :
> [2016-01-14 09:58:36.96585] W [master(/gluster-export):301:regjob]
> _GMaster: Rsync: .gfid/a8d0387d-c5ad-4eeb-9fc6-637fb8299a50 [errcode: 23]
>
> on the corresponding slave the corresponding message :
> [2016-01-14 09:57:06.070452] W [fuse-bridge.c:1967:fuse_create_cbk]
> 0-glusterfs-fuse: 1185648: /.gfid/a8d0387d-c5ad-4eeb-9fc6-637fb8299a50
> => -1 (Operation not permitted)
>
> This is the file on the master, the file is still not replicated to the
> slave.
>
> 120533444364 97332 -rw-r--r-- 2 2001 2001 99662854 Jan  8 13:40
> /gluster-export/3912/uploads/BSZ-2015/Z_002895D0-C832-4698-84E6-89F34CDEC2AE_20144555_ST_1.mp4
> 120533444364 97332 -rw-r--r-- 2 2001 2001 99662854 Jan  8 13:40
> /gluster-export/.glusterfs/a8/d0/a8d0387d-c5ad-4eeb-9fc6-637fb8299a50
>
> The directory on the slave already contain some files, all of them are
> not available on the master anymore, obviously deleted in meantime on
> the master by a client.
> i have deleted and recreated this file on the master and observed the
> logs for recurrence of the newly created gfid of this file...same as before.
>
> in http://comments.gmane.org/gmane.comp.file-systems.gluster.user/20703
> a user reports a geo-replication problem which is possibly caused by
> different gfid's of underlying directories.
> and yes, the directory of this file-example above shows that the gfid of
> the underlying directory differs from the gfid on the master while the
> most other directories have the same gfid.
>
> master :
> ...
> # file: gluster-export/3912/uploads/BSP-2012
> trusted.gfid=0x8f1d480351bb455b9adde190f2c2b350
> --------------
> # file: gluster-export/3912/uploads/BSZ-2003
> trusted.gfid=0xe80adc088e604234b778997d8e8c2018
> --------------
> # file: gluster-export/3912/uploads/BSZ-2004
> trusted.gfid=0xfe417dd16bbe4ae4a6a1936cfee7aced
> --------------
> # file: gluster-export/3912/uploads/BSZ-2010
> trusted.gfid=0x8044e436407d4ed3a67c81df8a7ad47f        ###
> --------------
> # file: gluster-export/3912/uploads/BSZ-2015
> trusted.gfid=0x0c30f50480204e02b65d4716a048b029        ###
>
> slave :
> ...
> # file: gluster-export/3912/uploads/BSP-2012
> trusted.gfid=0x8f1d480351bb455b9adde190f2c2b350
> --------------
> # file: gluster-export/3912/uploads/BSZ-2003
> trusted.gfid=0xe80adc088e604234b778997d8e8c2018
> --------------
> # file: gluster-export/3912/uploads/BSZ-2004
> trusted.gfid=0xfe417dd16bbe4ae4a6a1936cfee7aced
> --------------
> # file: gluster-export/3912/uploads/BSZ-2010
> trusted.gfid=0xd83e8fb568c74e33a2091c547512a6ce        ###
> --------------
> # file: gluster-export/3912/uploads/BSZ-2015
> trusted.gfid=0xa406e1bec7f3454d8f2ce9c5f9c70eb3        ###
>
>
> now the question...how to fix this..?
> in the thread above Aravinda wrote :
>
> ...
> To fix the issue,
> -----------------
> Find the parent directory of "main.mdb",
> Get the GFID of that directory, using getfattr
> Check the GFID of the same directory in Slave(To confirm GFIDs are different)
> To fix the issue, Delete that directory in Slave.
> Set virtual xattr for that directory and all the files inside that directory.
>        setfattr -n glusterfs.geo-rep.trigger-sync -v "1" <DIR>
>        setfattr -n glusterfs.geo-rep.trigger-sync -v "1" <file-path>
>
> Geo-rep will recreate the directory with Proper GFID and starts sync.
>
> deletion of the affected slave directory might be helpful...
> but do i have to execute above shown setfattr commands on the master or
> do they just speed up synchronization ?
> usually sync should start automatically or could there be a problem
> because crawl status is still in 'hybrid crawl'...?
>
> thanks in advance...
> best regards
> dietmar
>
>
>
>
> On 04.01.2016 12:08, Dietmar Putz wrote:
>> Hello Aravinda,
>>
>> thank you for your reply.
>> i just made a 'find /gluster-export -type f -exec ls -lisa {} \; >
>> ls-lisa-gluster-export-`hostname`.out' on each brick and checked the
>> output for files with less than 2 link counts.
>> i found nothing...all files on each brick have exact 2 links.
>>
>> the entire output for all bricks contain more than 7 million lines
>> including .glusterfs but without non relevant directories and files..
>> tron at dp-server:~/geo_rep_3$ cat ls-lisa-gluster-wien-0* | egrep -v
>> 'indices|landfill|changelogs|health_check' | wc -l
>> 7007316
>>
>> link count is on $4 :
>> tron at dp-server:~/geo_rep_3$ cat ls-lisa-gluster-wien-0* | egrep -v
>> 'indices|landfill|changelogs|health_check' | awk '{if($4=="2")print}'
>> | tail -1
>> 62648153697 4 -rw-rw-rw- 2 root root 1713 Jan  4 01:44
>> /gluster-export/3500/files/16/01/387233/3500-6dqMmBcVby97PQtR.ism
>>
>> tron at dp-server:~/geo_rep_3$ cat ls-lisa-gluster-wien-0* | egrep -v
>> 'indices|landfill|changelogs|health_check' | awk '{if($4=="1")print}'
>> tron at dp-server:~/geo_rep_3$
>> tron at dp-server:~/geo_rep_3$ cat ls-lisa-gluster-wien-0* | egrep -v
>> 'indices|landfill|changelogs|health_check' | awk '{if($4!="2")print}'
>> tron at dp-server:~/geo_rep_3$
>> tron at dp-server:~/geo_rep_3$ cat ls-lisa-gluster-wien-0* | egrep -v
>> 'indices|landfill|changelogs|health_check' | awk '{print $4}' | sort |
>> uniq -c
>> 7007316 2
>> tron at dp-server:~/geo_rep_3$
>>
>> If i understood you right this can not be the reason for the problem.
>> is there any other hint which i can check on the master or slave to
>> analyse the problem....?
>>
>> Any help would be very appreciated
>> best regards
>> dietmar
>>
>>
>>
>> Am 04.01.2016 um 07:14 schrieb Aravinda:
>>> Hi,
>>>
>>> Looks like issue with Geo-rep due to race between Create and Rename.
>>> Geo-replication uses gfid-access (Mount Volume with aux-gfid-mount)
>>> to create and rename files. If Create and Rename replayed more than
>>> once then Geo-rep creates a two files with same GFID(not hardlink).
>>> This causes one file without backend GFID link.
>>>
>>> Milind is working on the patch to disallow the creation of second
>>> file with same GFID.
>>> @Milind, Please provide more update about your patch.
>>>
>>> As a workaround, identify all the files in Slave volume which do not
>>> have backend links and delete those files(Only in Slaves, keep backup
>>> if required)
>>>
>>> In Brick backend, Crawl and look for files with link count less than
>>> 2. (Exclude .glusterfs and .trashcan directory)
>>>
>>> regards
>>> Aravinda
>>>
>>> On 01/02/2016 09:56 PM, Dietmar Putz wrote:
>>>> Hello all,
>>>>
>>>> one more time i need some help with a geo-replication problem.
>>>> recently i started a new geo-replication. the master volume contains
>>>> about 45 TB data and the slave volume was new created before
>>>> geo-replication setup was done.
>>>> master and slave is a 6 node distributed replicated volume running
>>>> glusterfs-server 3.6.7-ubuntu1~trusty1.
>>>> geo-rep was starting without problems. since few days the slave
>>>> volume contains about 200 GB more data than the master volume and i
>>>> expected that the crawl status changes from 'hybrid crawl' to
>>>> 'changelog crawl' but it remains in 'hybrid crawl'.
>>>> the 'status detail' output far below shows more than 10 million
>>>> synced files while the entire master volume contains just about 2
>>>> million files. some tests show that files are not deleted on the
>>>> slave volume.
>>>> as far as i know the hybrid crawl has the limitation of not
>>>> replicating deletes and renames to the slave thus the geo-rep needs
>>>> to achieve the 'changelog crawl' status after initial sync...
>>>> usually this should happen more or less automatically, is this right ?
>>>>
>>>> the geo-rep frequently fails with below shown "OSError: [Errno 16]
>>>> Device or resource busy", this error appears about every 3-4 hours
>>>> on each active master node.
>>>> i guess the frequent appearance of this error prevent geo-rep from
>>>> changing to 'changelog crawl', does somebody experienced such
>>>> problem, is this the cause of the problem ?
>>>>
>>>> i found some similar reports on gluster.org for gfs 3.5, 3.6 and 3.7
>>>> but none of them point me to a solution...
>>>> does anybody know a solution or is there a workaround to achieve the
>>>> changelog crawl status...?
>>>>
>>>> Any help would be very appreciated
>>>> best regards
>>>> dietmar
>>>>
>>>>
>>>>
>>>>
>>>> Master gluster-ger-ber-07:
>>>> -----------------------------
>>>>
>>>> [2016-01-02 11:39:48.122546] I [master(/gluster-export):1343:crawl]
>>>> _GMaster: processing xsync changelog
>>>> /var/lib/misc/glusterfsd/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01/9d7139ecf10a6fc33a
>>>> 6e41d8d6e56984/xsync/XSYNC-CHANGELOG.1451724692
>>>> [2016-01-02 11:42:55.182342] I [master(/gluster-export):1343:crawl]
>>>> _GMaster: processing xsync changelog
>>>> /var/lib/misc/glusterfsd/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01/9d7139ecf10a6fc33a
>>>> 6e41d8d6e56984/xsync/XSYNC-CHANGELOG.1451724751
>>>> [2016-01-02 11:44:11.168962] I [master(/gluster-export):1340:crawl]
>>>> _GMaster: finished hybrid crawl syncing, stime: (-1, 0)
>>>> [2016-01-02 11:44:11.246845] I
>>>> [master(/gluster-export):490:crawlwrap] _GMaster: primary master
>>>> with volume id 6a071cfa-b150-4f0b-b1ed-96ab5d4bd671 ...
>>>> [2016-01-02 11:44:11.265209] I
>>>> [master(/gluster-export):501:crawlwrap] _GMaster: crawl interval: 3
>>>> seconds
>>>> [2016-01-02 11:44:11.896940] I [master(/gluster-export):1192:crawl]
>>>> _GMaster: slave's time: (-1, 0)
>>>> [2016-01-02 11:44:12.171761] E [repce(/gluster-export):207:__call__]
>>>> RepceClient: call 18897:139899553576768:1451735052.09 (entry_ops)
>>>> failed on peer with OSError
>>>> [2016-01-02 11:44:12.172101] E
>>>> [syncdutils(/gluster-export):270:log_raise_exception] <top>: FAIL:
>>>> Traceback (most recent call last):
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/gsyncd.py",
>>>> line 164, in main
>>>>      main_i()
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/gsyncd.py",
>>>> line 643, in main_i
>>>>      local.service_loop(*[r for r in [remote] if r])
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/resource.py",
>>>> line 1344, in service_loop
>>>>      g2.crawlwrap()
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/master.py",
>>>> line 539, in crawlwrap
>>>>      self.crawl(no_stime_update=no_stime_update)
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/master.py",
>>>> line 1204, in crawl
>>>>      self.process(changes)
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/master.py",
>>>> line 956, in process
>>>>      self.process_change(change, done, retry)
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/master.py",
>>>> line 920, in process_change
>>>>      self.slave.server.entry_ops(entries)
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/repce.py",
>>>> line 226, in __call__
>>>>      return self.ins(self.meth, *a)
>>>>    File
>>>> "/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/repce.py",
>>>> line 208, in __call__
>>>>      raise res
>>>> OSError: [Errno 16] Device or resource busy
>>>> [2016-01-02 11:44:12.258982] I
>>>> [syncdutils(/gluster-export):214:finalize] <top>: exiting.
>>>> [2016-01-02 11:44:12.321808] I [repce(agent):92:service_loop]
>>>> RepceServer: terminating on reaching EOF.
>>>> [2016-01-02 11:44:12.349766] I [syncdutils(agent):214:finalize]
>>>> <top>: exiting.
>>>> [2016-01-02 11:44:12.435992] I [monitor(monitor):141:set_state]
>>>> Monitor: new state: faulty
>>>> [2016-01-02 11:44:23.164284] I [monitor(monitor):215:monitor]
>>>> Monitor: ------------------------------------------------------------
>>>> [2016-01-02 11:44:23.169981] I [monitor(monitor):216:monitor]
>>>> Monitor: starting gsyncd worker
>>>> [2016-01-02 11:44:23.216662] I [changelogagent(agent):72:__init__]
>>>> ChangelogAgent: Agent listining...
>>>> [2016-01-02 11:44:23.239778] I [gsyncd(/gluster-export):633:main_i]
>>>> <top>: syncing: gluster://localhost:ger-ber-01 ->
>>>> ssh://root@gluster-wien-07-int:gluster://localhost:aut-wien-vol-01
>>>> [2016-01-02 11:44:26.358613] I
>>>> [master(/gluster-export):75:gmaster_builder] <top>: setting up xsync
>>>> change detection mode
>>>> [2016-01-02 11:44:26.358983] I
>>>> [master(/gluster-export):413:__init__] _GMaster: using 'rsync' as
>>>> the sync engine
>>>> [2016-01-02 11:44:26.359985] I
>>>> [master(/gluster-export):75:gmaster_builder] <top>: setting up
>>>> changelog change detection mode
>>>> [2016-01-02 11:44:26.360243] I
>>>> [master(/gluster-export):413:__init__] _GMaster: using 'rsync' as
>>>> the sync engine
>>>> [2016-01-02 11:44:26.361159] I
>>>> [master(/gluster-export):75:gmaster_builder] <top>: setting up
>>>> changeloghistory change detection mode
>>>> [2016-01-02 11:44:26.361377] I
>>>> [master(/gluster-export):413:__init__] _GMaster: using 'rsync' as
>>>> the sync engine
>>>> [2016-01-02 11:44:26.402601] I
>>>> [master(/gluster-export):1311:register] _GMaster: xsync temp
>>>> directory:
>>>> /var/lib/misc/glusterfsd/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01/9d7139ecf10a6fc33a6e
>>>> 41d8d6e56984/xsync
>>>> [2016-01-02 11:44:26.402848] I
>>>> [resource(/gluster-export):1318:service_loop] GLUSTER: Register
>>>> time: 1451735066
>>>> [2016-01-02 11:44:27.26012] I
>>>> [master(/gluster-export):490:crawlwrap] _GMaster: primary master
>>>> with volume id 6a071cfa-b150-4f0b-b1ed-96ab5d4bd671 ...
>>>> [2016-01-02 11:44:27.31605] I
>>>> [master(/gluster-export):501:crawlwrap] _GMaster: crawl interval: 1
>>>> seconds
>>>> [2016-01-02 11:44:27.66868] I [master(/gluster-export):1226:crawl]
>>>> _GMaster: starting history crawl... turns: 1, stime: (-1, 0)
>>>> [2016-01-02 11:44:27.67043] I [master(/gluster-export):1229:crawl]
>>>> _GMaster: stime not available, abandoning history crawl
>>>> [2016-01-02 11:44:27.112426] I
>>>> [master(/gluster-export):490:crawlwrap] _GMaster: primary master
>>>> with volume id 6a071cfa-b150-4f0b-b1ed-96ab5d4bd671 ...
>>>> [2016-01-02 11:44:27.117506] I
>>>> [master(/gluster-export):501:crawlwrap] _GMaster: crawl interval: 60
>>>> seconds
>>>> [2016-01-02 11:44:27.140610] I [master(/gluster-export):1333:crawl]
>>>> _GMaster: starting hybrid crawl..., stime: (-1, 0)
>>>> [2016-01-02 11:45:23.417233] I [monitor(monitor):141:set_state]
>>>> Monitor: new state: Stable
>>>> [2016-01-02 11:45:48.225915] I [master(/gluster-export):1343:crawl]
>>>> _GMaster: processing xsync changelog
>>>> /var/lib/misc/glusterfsd/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01/9d7139ecf10a6fc33a
>>>> 6e41d8d6e56984/xsync/XSYNC-CHANGELOG.1451735067
>>>> [2016-01-02 11:47:08.65231] I [master(/gluster-export):1343:crawl]
>>>> _GMaster: processing xsync changelog
>>>> /var/lib/misc/glusterfsd/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01/9d7139ecf10a6fc33a6
>>>> e41d8d6e56984/xsync/XSYNC-CHANGELOG.1451735148
>>>> ...
>>>>
>>>>
>>>> slave gluster-wien-07 :
>>>> ------------------------
>>>>
>>>> [2016-01-02 11:44:12.007744] W [fuse-bridge.c:1261:fuse_err_cbk]
>>>> 0-glusterfs-fuse: 1959820: SETXATTR()
>>>> /.gfid/5e436e5b-086b-4720-9e70-0e49c8e09698 => -1 (File exists)
>>>> [2016-01-02 11:44:12.010970] W
>>>> [client-rpc-fops.c:240:client3_3_mknod_cbk]
>>>> 0-aut-wien-vol-01-client-5: remote operation failed: File exists.
>>>> Path:
>>>> <gfid:666bceac-7c14-4efd-81fe-8185458fcf1f>/11-kxyrM3NgdtBWPFv4.webm
>>>> [2016-01-02 11:44:12.011327] W
>>>> [client-rpc-fops.c:240:client3_3_mknod_cbk]
>>>> 0-aut-wien-vol-01-client-4: remote operation failed: File exists.
>>>> Path:
>>>> <gfid:666bceac-7c14-4efd-81fe-8185458fcf1f>/11-kxyrM3NgdtBWPFv4.webm
>>>> [2016-01-02 11:44:12.012054] W [fuse-bridge.c:1261:fuse_err_cbk]
>>>> 0-glusterfs-fuse: 1959822: SETXATTR()
>>>> /.gfid/666bceac-7c14-4efd-81fe-8185458fcf1f => -1 (File exists)
>>>> [2016-01-02 11:44:12.024743] W
>>>> [client-rpc-fops.c:240:client3_3_mknod_cbk]
>>>> 0-aut-wien-vol-01-client-5: remote operation failed: File exists.
>>>> Path: <gfid:5bfd6f99-07e8-4b2f-844b-aa0b6535c055>/Gf4FYbpDTC7yK2mv.png
>>>> [2016-01-02 11:44:12.024970] W
>>>> [client-rpc-fops.c:240:client3_3_mknod_cbk]
>>>> 0-aut-wien-vol-01-client-4: remote operation failed: File exists.
>>>> Path: <gfid:5bfd6f99-07e8-4b2f-844b-aa0b6535c055>/Gf4FYbpDTC7yK2mv.png
>>>> [2016-01-02 11:44:12.025601] W [fuse-bridge.c:1261:fuse_err_cbk]
>>>> 0-glusterfs-fuse: 1959823: SETXATTR()
>>>> /.gfid/5bfd6f99-07e8-4b2f-844b-aa0b6535c055 => -1 (File exists)
>>>> [2016-01-02 11:44:12.100688] I
>>>> [dht-selfheal.c:1065:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: chunk size = 0xffffffff / 57217563 = 0x4b
>>>> [2016-01-02 11:44:12.100765] I
>>>> [dht-selfheal.c:1103:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: assigning range size 0x5542c4a3 to
>>>> aut-wien-vol-01-replicate-0
>>>> [2016-01-02 11:44:12.100785] I
>>>> [dht-selfheal.c:1103:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: assigning range size 0x5542c4a3 to
>>>> aut-wien-vol-01-replicate-1
>>>> [2016-01-02 11:44:12.100800] I
>>>> [dht-selfheal.c:1103:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: assigning range size 0x5542c4a3 to
>>>> aut-wien-vol-01-replicate-2
>>>> [2016-01-02 11:44:12.100839] I [MSGID: 109036]
>>>> [dht-common.c:6296:dht_log_new_layout_for_dir_selfheal]
>>>> 0-aut-wien-vol-01-dht: Setting layout of
>>>> <gfid:d4815ee4-3348-4105-9136-d0219d956ed8>/.dstXXX0HUpRD with
>>>> [Subvol_name: aut-wien-vol-01-re
>>>> plicate-0, Err: -1 , Start: 0 , Stop: 1430439074 ], [Subvol_name:
>>>> aut-wien-vol-01-replicate-1, Err: -1 , Start: 1430439075 , Stop:
>>>> 2860878149 ], [Subvol_name: aut-wien-vol-01-replicate-2, Err: -1 ,
>>>> Start: 2860878150 , Stop: 4294967295 ],
>>>> [2016-01-02 11:44:12.114192] W
>>>> [client-rpc-fops.c:306:client3_3_mkdir_cbk]
>>>> 0-aut-wien-vol-01-client-2: remote operation failed: File exists.
>>>> Path: <gfid:cd3fd9ba-34b8-4c6b-ba72-4796b80b0ff2>/.dstXXb70G3x
>>>> [2016-01-02 11:44:12.114275] W
>>>> [client-rpc-fops.c:306:client3_3_mkdir_cbk]
>>>> 0-aut-wien-vol-01-client-3: remote operation failed: File exists.
>>>> Path: <gfid:cd3fd9ba-34b8-4c6b-ba72-4796b80b0ff2>/.dstXXb70G3x
>>>> [2016-01-02 11:44:12.114879] W [fuse-bridge.c:1261:fuse_err_cbk]
>>>> 0-glusterfs-fuse: 1959831: SETXATTR()
>>>> /.gfid/cd3fd9ba-34b8-4c6b-ba72-4796b80b0ff2 => -1 (File exists)
>>>> [2016-01-02 11:44:12.118473] I
>>>> [dht-layout.c:663:dht_layout_normalize] 0-aut-wien-vol-01-dht: Found
>>>> anomalies in
>>>> /.gfid/cd3fd9ba-34b8-4c6b-ba72-4796b80b0ff2/.dstXXb70G3x (gfid =
>>>> 00000000-0000-0000-0000-000000000000). Holes=1 overlaps=0
>>>> [2016-01-02 11:44:12.118537] I
>>>> [dht-selfheal.c:1065:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: chunk size = 0xffffffff / 57217563 = 0x4b
>>>> [2016-01-02 11:44:12.118562] I
>>>> [dht-selfheal.c:1103:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: assigning range size 0x5542c4a3 to
>>>> aut-wien-vol-01-replicate-2
>>>> [2016-01-02 11:44:12.118579] I
>>>> [dht-selfheal.c:1103:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: assigning range size 0x5542c4a3 to
>>>> aut-wien-vol-01-replicate-0
>>>> [2016-01-02 11:44:12.118613] I
>>>> [dht-selfheal.c:1103:dht_selfheal_layout_new_directory]
>>>> 0-aut-wien-vol-01-dht: assigning range size 0x5542c4a3 to
>>>> aut-wien-vol-01-replicate-1
>>>> [2016-01-02 11:44:12.120352] I [MSGID: 109036]
>>>> [dht-common.c:6296:dht_log_new_layout_for_dir_selfheal]
>>>> 0-aut-wien-vol-01-dht: Setting layout of
>>>> /.gfid/cd3fd9ba-34b8-4c6b-ba72-4796b80b0ff2/.dstXXb70G3x with
>>>> [Subvol_name: aut-wien-vol-01-rep
>>>> licate-0, Err: -1 , Start: 1430439075 , Stop: 2860878149 ],
>>>> [Subvol_name: aut-wien-vol-01-replicate-1, Err: -1 , Start:
>>>> 2860878150 , Stop: 4294967295 ], [Subvol_name:
>>>> aut-wien-vol-01-replicate-2, Err: -1 , Start: 0 , Stop: 1430439074 ],
>>>> [2016-01-02 11:44:12.630949] I [fuse-bridge.c:4927:fuse_thread_proc]
>>>> 0-fuse: unmounting /tmp/gsyncd-aux-mount-tOUOsz
>>>> [2016-01-02 11:44:12.633952] W [glusterfsd.c:1211:cleanup_and_exit]
>>>> (--> 0-: received signum (15), shutting down
>>>> [2016-01-02 11:44:12.633964] I [fuse-bridge.c:5607:fini] 0-fuse:
>>>> Unmounting '/tmp/gsyncd-aux-mount-tOUOsz'.
>>>> [2016-01-02 11:44:23.946702] I [MSGID: 100030]
>>>> [glusterfsd.c:2035:main] 0-/usr/sbin/glusterfs: Started running
>>>> /usr/sbin/glusterfs version 3.6.7 (args: /usr/sbin/glusterfs
>>>> --aux-gfid-mount --log-file=/var/log/glusterfs/geo-replication-slav
>>>> es/6a071cfa-b150-4f0b-b1ed-96ab5d4bd671:gluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01.gluster.log
>>>> --volfile-server=localhost --volfile-id=aut-wien-vol-01
>>>> --client-pid=-1 /tmp/gsyncd-aux-mount-otU3wS)
>>>> [2016-01-02 11:44:24.042128] I [dht-shared.c:337:dht_init_regex]
>>>> 0-aut-wien-vol-01-dht: using regex rsync-hash-regex = ^\.(.+)\.[^.]+$
>>>> [2016-01-02 11:44:24.046315] I [client.c:2268:notify]
>>>> 0-aut-wien-vol-01-client-0: parent translators are ready, attempting
>>>> connect on transport
>>>> [2016-01-02 11:44:24.046532] I [client.c:2268:notify]
>>>> 0-aut-wien-vol-01-client-1: parent translators are ready, attempting
>>>> connect on transport
>>>> [2016-01-02 11:44:24.046664] I [client.c:2268:notify]
>>>> 0-aut-wien-vol-01-client-2: parent translators are ready, attempting
>>>> connect on transport
>>>> [2016-01-02 11:44:24.046806] I [client.c:2268:notify]
>>>> 0-aut-wien-vol-01-client-3: parent translators are ready, attempting
>>>> connect on transport
>>>> [2016-01-02 11:44:24.046940] I [client.c:2268:notify]
>>>> 0-aut-wien-vol-01-client-4: parent translators are ready, attempting
>>>> connect on transport
>>>> [2016-01-02 11:44:24.047070] I [client.c:2268:notify]
>>>> 0-aut-wien-vol-01-client-5: parent translators are ready, attempting
>>>> connect on transport
>>>> Final graph:
>>>> +------------------------------------------------------------------------------+
>>>>
>>>>    1: volume aut-wien-vol-01-client-0
>>>>    2:     type protocol/client
>>>>    3:     option ping-timeout 10
>>>>    4:     option remote-host gluster-wien-02-int
>>>>    5:     option remote-subvolume /gluster-export
>>>>    6:     option transport-type socket
>>>>    7:     option username 6b3d1fae-fa3e-4305-a4a0-fd27c7ac9929
>>>>    8:     option password 8777e154-476c-449a-89b2-3199872e4a1f
>>>>    9:     option send-gids true
>>>>   10: end-volume
>>>>   11:
>>>>   12: volume aut-wien-vol-01-client-1
>>>>   13:     type protocol/client
>>>>   14:     option ping-timeout 10
>>>>   15:     option remote-host gluster-wien-03-int
>>>>   16:     option remote-subvolume /gluster-export
>>>>   17:     option transport-type socket
>>>>   18:     option username 6b3d1fae-fa3e-4305-a4a0-fd27c7ac9929
>>>>   19:     option password 8777e154-476c-449a-89b2-3199872e4a1f
>>>>   20:     option send-gids true
>>>>   21: end-volume
>>>>   22:
>>>>   23: volume aut-wien-vol-01-replicate-0
>>>>   24:     type cluster/replicate
>>>>   25:     subvolumes aut-wien-vol-01-client-0 aut-wien-vol-01-client-1
>>>>   26: end-volume
>>>>   27:
>>>>   28: volume aut-wien-vol-01-client-2
>>>>   29:     type protocol/client
>>>>   30:     option ping-timeout 10
>>>>   31:     option remote-host gluster-wien-04-int
>>>>   32:     option remote-subvolume /gluster-export
>>>>   33:     option transport-type socket
>>>>   34:     option username 6b3d1fae-fa3e-4305-a4a0-fd27c7ac9929
>>>>   35:     option password 8777e154-476c-449a-89b2-3199872e4a1f
>>>>   36:     option send-gids true
>>>>   37: end-volume
>>>>   38:
>>>>   39: volume aut-wien-vol-01-client-3
>>>>   40:     type protocol/client
>>>>   41:     option ping-timeout 10
>>>>   42:     option remote-host gluster-wien-05-int
>>>>   43:     option remote-subvolume /gluster-export
>>>>   44:     option transport-type socket
>>>>   45:     option username 6b3d1fae-fa3e-4305-a4a0-fd27c7ac9929
>>>>   46:     option password 8777e154-476c-449a-89b2-3199872e4a1f
>>>>   47:     option send-gids true
>>>>   48: end-volume
>>>>   49:
>>>>   50: volume aut-wien-vol-01-replicate-1
>>>>   51:     type cluster/replicate
>>>>   52:     subvolumes aut-wien-vol-01-client-2 aut-wien-vol-01-client-3
>>>>   53: end-volume
>>>>   54:
>>>>   55: volume aut-wien-vol-01-client-4
>>>>   56:     type protocol/client
>>>>   57:     option ping-timeout 10
>>>>   58:     option remote-host gluster-wien-06-int
>>>>   59:     option remote-subvolume /gluster-export
>>>>   60:     option transport-type socket
>>>>   61:     option username 6b3d1fae-fa3e-4305-a4a0-fd27c7ac9929
>>>>   62:     option password 8777e154-476c-449a-89b2-3199872e4a1f
>>>>   63:     option send-gids true
>>>>   64: end-volume
>>>>   65:
>>>>   66: volume aut-wien-vol-01-client-5
>>>>   67:     type protocol/client
>>>>   68:     option ping-timeout 10
>>>>   69:     option remote-host gluster-wien-07-int
>>>>   70:     option remote-subvolume /gluster-export
>>>>   71:     option transport-type socket
>>>>   72:     option username 6b3d1fae-fa3e-4305-a4a0-fd27c7ac9929
>>>>   73:     option password 8777e154-476c-449a-89b2-3199872e4a1f
>>>>   74:     option send-gids true
>>>>   75: end-volume
>>>>   76:
>>>>   77: volume aut-wien-vol-01-replicate-2
>>>>   78:     type cluster/replicate
>>>>   79:     subvolumes aut-wien-vol-01-client-4 aut-wien-vol-01-client-5
>>>>   80: end-volume
>>>>   81:
>>>>   82: volume aut-wien-vol-01-dht
>>>>   83:     type cluster/distribute
>>>>   84:     subvolumes aut-wien-vol-01-replicate-0
>>>> aut-wien-vol-01-replicate-1 aut-wien-vol-01-replicate-2
>>>>   85: end-volume
>>>>   86:
>>>>   87: volume aut-wien-vol-01-write-behind
>>>>   88:     type performance/write-behind
>>>>   89:     subvolumes aut-wien-vol-01-dht
>>>>   90: end-volume
>>>>   91:
>>>>   92: volume aut-wien-vol-01-read-ahead
>>>>   93:     type performance/read-ahead
>>>>   94:     subvolumes aut-wien-vol-01-write-behind
>>>>   95: end-volume
>>>>   96:
>>>>   97: volume aut-wien-vol-01-io-cache
>>>>   98:     type performance/io-cache
>>>>   99:     option min-file-size 0
>>>> 100:     option cache-timeout 2
>>>> 101:     option cache-size 1024MB
>>>> 102:     subvolumes aut-wien-vol-01-read-ahead
>>>> 103: end-volume
>>>> 104:
>>>> 105: volume aut-wien-vol-01-quick-read
>>>> 106:     type performance/quick-read
>>>> 107:     option cache-size 1024MB
>>>> 108:     subvolumes aut-wien-vol-01-io-cache
>>>> 109: end-volume
>>>> 110:
>>>> 111: volume aut-wien-vol-01-open-behind
>>>> 112:     type performance/open-behind
>>>> 113:     subvolumes aut-wien-vol-01-quick-read
>>>> 114: end-volume
>>>> 115:
>>>> 116: volume aut-wien-vol-01-md-cache
>>>> 117:     type performance/md-cache
>>>> 118:     subvolumes aut-wien-vol-01-open-behind
>>>> 119: end-volume
>>>> 120:
>>>> 121: volume aut-wien-vol-01
>>>> 122:     type debug/io-stats
>>>> 123:     option latency-measurement off
>>>> 124:     option count-fop-hits off
>>>> 125:     subvolumes aut-wien-vol-01-md-cache
>>>> 126: end-volume
>>>> 127:
>>>> 128: volume gfid-access-autoload
>>>> 129:     type features/gfid-access
>>>> 130:     subvolumes aut-wien-vol-01
>>>> 131: end-volume
>>>> 132:
>>>> 133: volume meta-autoload
>>>> 134:     type meta
>>>> 135:     subvolumes gfid-access-autoload
>>>> 136: end-volume
>>>> 137:
>>>> +------------------------------------------------------------------------------+
>>>>
>>>> [2016-01-02 11:44:24.047642] I [rpc-clnt.c:1761:rpc_clnt_reconfig]
>>>> 0-aut-wien-vol-01-client-5: changing port to 49153 (from 0)
>>>> [2016-01-02 11:44:24.047927] I
>>>> [client-handshake.c:1413:select_server_supported_programs]
>>>> 0-aut-wien-vol-01-client-5: Using Program GlusterFS 3.3, Num
>>>> (1298437), Version (330)
>>>> [2016-01-02 11:44:24.048044] I
>>>> [client-handshake.c:1200:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-5: Connected to aut-wien-vol-01-client-5,
>>>> attached to remote volume '/gluster-export'.
>>>> [2016-01-02 11:44:24.048050] I
>>>> [client-handshake.c:1210:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-5: Server and Client lk-version numbers are
>>>> not same, reopening the fds
>>>> [2016-01-02 11:44:24.048088] I [MSGID: 108005]
>>>> [afr-common.c:3684:afr_notify] 0-aut-wien-vol-01-replicate-2:
>>>> Subvolume 'aut-wien-vol-01-client-5' came back up; going online.
>>>> [2016-01-02 11:44:24.048114] I
>>>> [client-handshake.c:188:client_set_lk_version_cbk]
>>>> 0-aut-wien-vol-01-client-5: Server lk version = 1
>>>> [2016-01-02 11:44:24.048124] I [rpc-clnt.c:1761:rpc_clnt_reconfig]
>>>> 0-aut-wien-vol-01-client-0: changing port to 49153 (from 0)
>>>> [2016-01-02 11:44:24.048132] I [rpc-clnt.c:1761:rpc_clnt_reconfig]
>>>> 0-aut-wien-vol-01-client-1: changing port to 49153 (from 0)
>>>> [2016-01-02 11:44:24.048138] I [rpc-clnt.c:1761:rpc_clnt_reconfig]
>>>> 0-aut-wien-vol-01-client-2: changing port to 49153 (from 0)
>>>> [2016-01-02 11:44:24.048146] I [rpc-clnt.c:1761:rpc_clnt_reconfig]
>>>> 0-aut-wien-vol-01-client-3: changing port to 49153 (from 0)
>>>> [2016-01-02 11:44:24.048153] I [rpc-clnt.c:1761:rpc_clnt_reconfig]
>>>> 0-aut-wien-vol-01-client-4: changing port to 49153 (from 0)
>>>> [2016-01-02 11:44:24.049070] I
>>>> [client-handshake.c:1413:select_server_supported_programs]
>>>> 0-aut-wien-vol-01-client-0: Using Program GlusterFS 3.3, Num
>>>> (1298437), Version (330)
>>>> [2016-01-02 11:44:24.049094] I
>>>> [client-handshake.c:1413:select_server_supported_programs]
>>>> 0-aut-wien-vol-01-client-3: Using Program GlusterFS 3.3, Num
>>>> (1298437), Version (330)
>>>> [2016-01-02 11:44:24.049113] I
>>>> [client-handshake.c:1413:select_server_supported_programs]
>>>> 0-aut-wien-vol-01-client-2: Using Program GlusterFS 3.3, Num
>>>> (1298437), Version (330)
>>>> [2016-01-02 11:44:24.049131] I
>>>> [client-handshake.c:1413:select_server_supported_programs]
>>>> 0-aut-wien-vol-01-client-1: Using Program GlusterFS 3.3, Num
>>>> (1298437), Version (330)
>>>> [2016-01-02 11:44:24.049224] I
>>>> [client-handshake.c:1413:select_server_supported_programs]
>>>> 0-aut-wien-vol-01-client-4: Using Program GlusterFS 3.3, Num
>>>> (1298437), Version (330)
>>>> [2016-01-02 11:44:24.049307] I
>>>> [client-handshake.c:1200:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-0: Connected to aut-wien-vol-01-client-0,
>>>> attached to remote volume '/gluster-export'.
>>>> [2016-01-02 11:44:24.049312] I
>>>> [client-handshake.c:1210:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-0: Server and Client lk-version numbers are
>>>> not same, reopening the fds
>>>> [2016-01-02 11:44:24.049324] I [MSGID: 108005]
>>>> [afr-common.c:3684:afr_notify] 0-aut-wien-vol-01-replicate-0:
>>>> Subvolume 'aut-wien-vol-01-client-0' came back up; going online.
>>>> [2016-01-02 11:44:24.049384] I
>>>> [client-handshake.c:1200:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-3: Connected to aut-wien-vol-01-client-3,
>>>> attached to remote volume '/gluster-export'.
>>>> [2016-01-02 11:44:24.049389] I
>>>> [client-handshake.c:1210:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-3: Server and Client lk-version numbers are
>>>> not same, reopening the fds
>>>> [2016-01-02 11:44:24.049400] I [MSGID: 108005]
>>>> [afr-common.c:3684:afr_notify] 0-aut-wien-vol-01-replicate-1:
>>>> Subvolume 'aut-wien-vol-01-client-3' came back up; going online.
>>>> [2016-01-02 11:44:24.049418] I
>>>> [client-handshake.c:1200:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-2: Connected to aut-wien-vol-01-client-2,
>>>> attached to remote volume '/gluster-export'.
>>>> [2016-01-02 11:44:24.049422] I
>>>> [client-handshake.c:1210:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-2: Server and Client lk-version numbers are
>>>> not same, reopening the fds
>>>> [2016-01-02 11:44:24.049460] I
>>>> [client-handshake.c:1200:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-1: Connected to aut-wien-vol-01-client-1,
>>>> attached to remote volume '/gluster-export'.
>>>> [2016-01-02 11:44:24.049465] I
>>>> [client-handshake.c:1210:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-1: Server and Client lk-version numbers are
>>>> not same, reopening the fds
>>>> [2016-01-02 11:44:24.049493] I
>>>> [client-handshake.c:188:client_set_lk_version_cbk]
>>>> 0-aut-wien-vol-01-client-0: Server lk version = 1
>>>> [2016-01-02 11:44:24.049567] I
>>>> [client-handshake.c:188:client_set_lk_version_cbk]
>>>> 0-aut-wien-vol-01-client-3: Server lk version = 1
>>>> [2016-01-02 11:44:24.049632] I
>>>> [client-handshake.c:1200:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-4: Connected to aut-wien-vol-01-client-4,
>>>> attached to remote volume '/gluster-export'.
>>>> [2016-01-02 11:44:24.049638] I
>>>> [client-handshake.c:1210:client_setvolume_cbk]
>>>> 0-aut-wien-vol-01-client-4: Server and Client lk-version numbers are
>>>> not same, reopening the fds
>>>> [2016-01-02 11:44:24.052103] I [fuse-bridge.c:5086:fuse_graph_setup]
>>>> 0-fuse: switched to graph 0
>>>> [2016-01-02 11:44:24.052150] I
>>>> [client-handshake.c:188:client_set_lk_version_cbk]
>>>> 0-aut-wien-vol-01-client-2: Server lk version = 1
>>>> [2016-01-02 11:44:24.052163] I
>>>> [client-handshake.c:188:client_set_lk_version_cbk]
>>>> 0-aut-wien-vol-01-client-4: Server lk version = 1
>>>> [2016-01-02 11:44:24.052192] I
>>>> [client-handshake.c:188:client_set_lk_version_cbk]
>>>> 0-aut-wien-vol-01-client-1: Server lk version = 1
>>>> [2016-01-02 11:44:24.052204] I [fuse-bridge.c:4015:fuse_init]
>>>> 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.22
>>>> kernel 7.20
>>>> [2016-01-02 11:44:24.053991] I
>>>> [afr-common.c:1491:afr_local_discovery_cbk]
>>>> 0-aut-wien-vol-01-replicate-2: selecting local read_child
>>>> aut-wien-vol-01-client-5
>>>> [2016-01-02 11:45:48.613563] W
>>>> [client-rpc-fops.c:306:client3_3_mkdir_cbk]
>>>> 0-aut-wien-vol-01-client-5: remote operation failed: File exists.
>>>> Path: /keys
>>>> [2016-01-02 11:45:48.614131] W
>>>> [client-rpc-fops.c:306:client3_3_mkdir_cbk]
>>>> 0-aut-wien-vol-01-client-4: remote operation failed: File exists.
>>>> Path: /keys
>>>> [2016-01-02 11:45:48.614436] W [fuse-bridge.c:1261:fuse_err_cbk]
>>>> 0-glusterfs-fuse: 12: SETXATTR()
>>>> /.gfid/00000000-0000-0000-0000-000000000001 => -1 (File exists)
>>>> ...
>>>>
>>>>
>>>> [ 13:41:40 ] - root at gluster-ger-ber-07
>>>> /var/log/glusterfs/geo-replication/ger-ber-01 $gluster volume
>>>> geo-replication ger-ber-01 gluster-wien-07::aut-wien-vol-01 status
>>>> detail
>>>>
>>>> MASTER NODE           MASTER VOL    MASTER BRICK
>>>> SLAVE                                   STATUS     CHECKPOINT
>>>> STATUS    CRAWL STATUS    FILES SYNCD    FILES PENDING BYTES
>>>> PENDING    DELETES PENDING    FILES SKIPPED
>>>> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>>>>
>>>> gluster-ger-ber-07    ger-ber-01    /gluster-export
>>>> gluster-wien-07-int::aut-wien-vol-01    Active N/A
>>>> Hybrid Crawl    10743644 8192 0                0 0
>>>> gluster-ger-ber-11    ger-ber-01    /gluster-export
>>>> gluster-wien-03-int::aut-wien-vol-01    Active N/A
>>>> Hybrid Crawl    16037091 8192 0                0 0
>>>> gluster-ger-ber-10    ger-ber-01    /gluster-export
>>>> gluster-wien-02-int::aut-wien-vol-01    Passive N/A
>>>> N/A             0 0 0                0 0
>>>> gluster-ger-ber-12    ger-ber-01    /gluster-export
>>>> gluster-wien-06-int::aut-wien-vol-01    Passive N/A
>>>> N/A             0 0 0                0 0
>>>> gluster-ger-ber-09    ger-ber-01    /gluster-export
>>>> gluster-wien-05-int::aut-wien-vol-01    Active N/A
>>>> Hybrid Crawl    16180514 8192 0                0 0
>>>> gluster-ger-ber-08    ger-ber-01    /gluster-export
>>>> gluster-wien-04-int::aut-wien-vol-01    Passive N/A
>>>> N/A             0 0 0                0 0
>>>>
>>>>
>>>> [ 13:41:55 ] - root at gluster-ger-ber-07
>>>> /var/log/glusterfs/geo-replication/ger-ber-01 $gluster volume
>>>> geo-replication ger-ber-01 gluster-wien-07::aut-wien-vol-01 config
>>>> special_sync_mode: partial
>>>> state_socket_unencoded:
>>>> /var/lib/glusterd/geo-replication/ger-ber-01_gluster-wien-07_aut-wien-vol-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01.socket
>>>> gluster_log_file:
>>>> /var/log/glusterfs/geo-replication/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01.gluster.log
>>>> ssh_command: ssh -p 2503 -oPasswordAuthentication=no
>>>> -oStrictHostKeyChecking=no -i
>>>> /var/lib/glusterd/geo-replication/secret.pem
>>>> ignore_deletes: true
>>>> change_detector: changelog
>>>> ssh_command_tar: ssh -p 2503 -oPasswordAuthentication=no
>>>> -oStrictHostKeyChecking=no -i
>>>> /var/lib/glusterd/geo-replication/tar_ssh.pem
>>>> state_file:
>>>> /var/lib/glusterd/geo-replication/ger-ber-01_gluster-wien-07_aut-wien-vol-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01.status
>>>> remote_gsyncd: /nonexistent/gsyncd
>>>> log_file:
>>>> /var/log/glusterfs/geo-replication/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01.log
>>>> changelog_log_file:
>>>> /var/log/glusterfs/geo-replication/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01-changes.log
>>>> socketdir: /var/run
>>>> working_dir:
>>>> /var/lib/misc/glusterfsd/ger-ber-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01
>>>> state_detail_file:
>>>> /var/lib/glusterd/geo-replication/ger-ber-01_gluster-wien-07_aut-wien-vol-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01-detail.status
>>>> session_owner: 6a071cfa-b150-4f0b-b1ed-96ab5d4bd671
>>>> gluster_command_dir: /usr/sbin/
>>>> pid_file:
>>>> /var/lib/glusterd/geo-replication/ger-ber-01_gluster-wien-07_aut-wien-vol-01/ssh%3A%2F%2Froot%4082.199.131.132%3Agluster%3A%2F%2F127.0.0.1%3Aaut-wien-vol-01.pid
>>>> georep_session_working_dir:
>>>> /var/lib/glusterd/geo-replication/ger-ber-01_gluster-wien-07_aut-wien-vol-01/
>>>> gluster_params: aux-gfid-mount
>>>> volume_id: 6a071cfa-b150-4f0b-b1ed-96ab5d4bd671
>>>> [ 13:42:11 ] - root at gluster-ger-ber-07
>>>> /var/log/glusterfs/geo-replication/ger-ber-01 $
>>>>
>>>>
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