[Gluster-users] [Gluster-devel] missing files
David F. Robinson
david.robinson at corvidtec.com
Fri Feb 6 20:34:46 UTC 2015
I don't think I understood what you sent enough to give it a try. I'll
wait until it comes out in a beta or release version.
David
------ Original Message ------
From: "Ben Turner" <bturner at redhat.com>
To: "Justin Clift" <justin at gluster.org>; "David F. Robinson"
<david.robinson at corvidtec.com>
Cc: "Benjamin Turner" <bennyturns at gmail.com>; gluster-users at gluster.org;
"Gluster Devel" <gluster-devel at gluster.org>
Sent: 2/6/2015 3:33:42 PM
Subject: Re: [Gluster-devel] [Gluster-users] missing files
>----- Original Message -----
>> From: "Justin Clift" <justin at gluster.org>
>> To: "Benjamin Turner" <bennyturns at gmail.com>
>> Cc: "David F. Robinson" <david.robinson at corvidtec.com>,
>>gluster-users at gluster.org, "Gluster Devel"
>> <gluster-devel at gluster.org>, "Ben Turner" <bturner at redhat.com>
>> Sent: Friday, February 6, 2015 3:27:53 PM
>> Subject: Re: [Gluster-devel] [Gluster-users] missing files
>>
>> On 6 Feb 2015, at 02:05, Benjamin Turner <bennyturns at gmail.com>
>>wrote:
>> > I think that the multi threaded epoll changes that _just_ landed in
>>master
>> > will help resolve this, but they are so new I haven't been able to
>>test
>> > this. I'll know more when I get a chance to test tomorrow.
>>
>> Which multi-threaded epoll code just landed in master? Are you
>>thinking
>> of this one?
>>
>> http://review.gluster.org/#/c/3842/
>>
>> If so, it's not in master yet. ;)
>
>Doh! I just saw - "Required patches are all upstream now" and assumed
>they were merged. I have been in class all week so I am not up2date
>with everything. I gave instructions on compiling it from the gerrit
>patches + master so if David wants to give it a go he can. Sorry for
>the confusion.
>
>-b
>
>> + Justin
>>
>>
>> > -b
>> >
>> > On Thu, Feb 5, 2015 at 6:04 PM, David F. Robinson
>> > <david.robinson at corvidtec.com> wrote:
>> > Isn't rsync what geo-rep uses?
>> >
>> > David (Sent from mobile)
>> >
>> > ===============================
>> > David F. Robinson, Ph.D.
>> > President - Corvid Technologies
>> > 704.799.6944 x101 [office]
>> > 704.252.1310 [cell]
>> > 704.799.7974 [fax]
>> > David.Robinson at corvidtec.com
>> > http://www.corvidtechnologies.com
>> >
>> > > On Feb 5, 2015, at 5:41 PM, Ben Turner <bturner at redhat.com>
>>wrote:
>> > >
>> > > ----- Original Message -----
>> > >> From: "Ben Turner" <bturner at redhat.com>
>> > >> To: "David F. Robinson" <david.robinson at corvidtec.com>
>> > >> Cc: "Pranith Kumar Karampuri" <pkarampu at redhat.com>, "Xavier
>>Hernandez"
>> > >> <xhernandez at datalab.es>, "Benjamin Turner"
>> > >> <bennyturns at gmail.com>, gluster-users at gluster.org, "Gluster
>>Devel"
>> > >> <gluster-devel at gluster.org>
>> > >> Sent: Thursday, February 5, 2015 5:22:26 PM
>> > >> Subject: Re: [Gluster-users] [Gluster-devel] missing files
>> > >>
>> > >> ----- Original Message -----
>> > >>> From: "David F. Robinson" <david.robinson at corvidtec.com>
>> > >>> To: "Ben Turner" <bturner at redhat.com>
>> > >>> Cc: "Pranith Kumar Karampuri" <pkarampu at redhat.com>, "Xavier
>>Hernandez"
>> > >>> <xhernandez at datalab.es>, "Benjamin Turner"
>> > >>> <bennyturns at gmail.com>, gluster-users at gluster.org, "Gluster
>>Devel"
>> > >>> <gluster-devel at gluster.org>
>> > >>> Sent: Thursday, February 5, 2015 5:01:13 PM
>> > >>> Subject: Re: [Gluster-users] [Gluster-devel] missing files
>> > >>>
>> > >>> I'll send you the emails I sent Pranith with the logs. What
>>causes
>> > >>> these
>> > >>> disconnects?
>> > >>
>> > >> Thanks David! Disconnects happen when there are interruption in
>> > >> communication between peers, normally there is ping timeout that
>> > >> happens.
>> > >> It could be anything from a flaky NW to the system was to busy
>>to
>> > >> respond
>> > >> to the pings. My initial take is more towards the ladder as
>>rsync is
>> > >> absolutely the worst use case for gluster - IIRC it writes in
>>4kb
>> > >> blocks. I
>> > >> try to keep my writes at least 64KB as in my testing that is the
>> > >> smallest
>> > >> block size I can write with before perf starts to really drop
>>off. I'll
>> > >> try
>> > >> something similar in the lab.
>> > >
>> > > Ok I do think that the file being self healed is RCA for what you
>>were
>> > > seeing. Lets look at one of the disconnects:
>> > >
>> > > data-brick02a-homegfs.log:[2015-02-03 20:54:02.772180] I
>> > > [server.c:518:server_rpc_notify] 0-homegfs-server: disconnecting
>> > > connection from
>> > >
>>gfs01b.corvidtec.com-4175-2015/02/02-16:44:31:179119-homegfs-client-2-0-1
>> > >
>> > > And in the glustershd.log from the gfs01b_glustershd.log file:
>> > >
>> > > [2015-02-03 20:55:48.001797] I
>> > > [afr-self-heal-entry.c:554:afr_selfheal_entry_do]
>>0-homegfs-replicate-0:
>> > > performing entry selfheal on 6c79a368-edaa-432b-bef9-ec690ab42448
>> > > [2015-02-03 20:55:49.341996] I
>> > > [afr-self-heal-common.c:476:afr_log_selfheal]
>>0-homegfs-replicate-0:
>> > > Completed entry selfheal on 6c79a368-edaa-432b-bef9-ec690ab42448.
>> > > source=1 sinks=0
>> > > [2015-02-03 20:55:49.343093] I
>> > > [afr-self-heal-entry.c:554:afr_selfheal_entry_do]
>>0-homegfs-replicate-0:
>> > > performing entry selfheal on 792cb0d6-9290-4447-8cd7-2b2d7a116a69
>> > > [2015-02-03 20:55:50.463652] I
>> > > [afr-self-heal-common.c:476:afr_log_selfheal]
>>0-homegfs-replicate-0:
>> > > Completed entry selfheal on 792cb0d6-9290-4447-8cd7-2b2d7a116a69.
>> > > source=1 sinks=0
>> > > [2015-02-03 20:55:51.465289] I
>> > > [afr-self-heal-metadata.c:54:__afr_selfheal_metadata_do]
>> > > 0-homegfs-replicate-0: performing metadata selfheal on
>> > > 403e661a-1c27-4e79-9867-c0572aba2b3c
>> > > [2015-02-03 20:55:51.466515] I
>> > > [afr-self-heal-common.c:476:afr_log_selfheal]
>>0-homegfs-replicate-0:
>> > > Completed metadata selfheal on
>>403e661a-1c27-4e79-9867-c0572aba2b3c.
>> > > source=1 sinks=0
>> > > [2015-02-03 20:55:51.467098] I
>> > > [afr-self-heal-entry.c:554:afr_selfheal_entry_do]
>>0-homegfs-replicate-0:
>> > > performing entry selfheal on 403e661a-1c27-4e79-9867-c0572aba2b3c
>> > > [2015-02-03 20:55:55.257808] I
>> > > [afr-self-heal-common.c:476:afr_log_selfheal]
>>0-homegfs-replicate-0:
>> > > Completed entry selfheal on 403e661a-1c27-4e79-9867-c0572aba2b3c.
>> > > source=1 sinks=0
>> > > [2015-02-03 20:55:55.258548] I
>> > > [afr-self-heal-metadata.c:54:__afr_selfheal_metadata_do]
>> > > 0-homegfs-replicate-0: performing metadata selfheal on
>> > > c612ee2f-2fb4-4157-a9ab-5a2d5603c541
>> > > [2015-02-03 20:55:55.259367] I
>> > > [afr-self-heal-common.c:476:afr_log_selfheal]
>>0-homegfs-replicate-0:
>> > > Completed metadata selfheal on
>>c612ee2f-2fb4-4157-a9ab-5a2d5603c541.
>> > > source=1 sinks=0
>> > > [2015-02-03 20:55:55.259980] I
>> > > [afr-self-heal-entry.c:554:afr_selfheal_entry_do]
>>0-homegfs-replicate-0:
>> > > performing entry selfheal on c612ee2f-2fb4-4157-a9ab-5a2d5603c541
>> > >
>> > > As you can see the self heal logs are just spammed with files
>>being
>> > > healed, and I looked at a couple of disconnects and I see self
>>heals
>> > > getting run shortly after on the bricks that were down. Now we
>>need to
>> > > find the cause of the disconnects, I am thinking once the
>>disconnects
>> > > are resolved the files should be properly copied over without SH
>>having
>> > > to fix things. Like I said I'll give this a go on my lab systems
>>and
>> > > see if I can repro the disconnects, I'll have time to run through
>>it
>> > > tomorrow. If in the mean time anyone else has a theory / anything
>>to
>> > > add here it would be appreciated.
>> > >
>> > > -b
>> > >
>> > >> -b
>> > >>
>> > >>> David (Sent from mobile)
>> > >>>
>> > >>> ===============================
>> > >>> David F. Robinson, Ph.D.
>> > >>> President - Corvid Technologies
>> > >>> 704.799.6944 x101 [office]
>> > >>> 704.252.1310 [cell]
>> > >>> 704.799.7974 [fax]
>> > >>> David.Robinson at corvidtec.com
>> > >>> http://www.corvidtechnologies.com
>> > >>>
>> > >>>> On Feb 5, 2015, at 4:55 PM, Ben Turner <bturner at redhat.com>
>>wrote:
>> > >>>>
>> > >>>> ----- Original Message -----
>> > >>>>> From: "Pranith Kumar Karampuri" <pkarampu at redhat.com>
>> > >>>>> To: "Xavier Hernandez" <xhernandez at datalab.es>, "David F.
>>Robinson"
>> > >>>>> <david.robinson at corvidtec.com>, "Benjamin Turner"
>> > >>>>> <bennyturns at gmail.com>
>> > >>>>> Cc: gluster-users at gluster.org, "Gluster Devel"
>> > >>>>> <gluster-devel at gluster.org>
>> > >>>>> Sent: Thursday, February 5, 2015 5:30:04 AM
>> > >>>>> Subject: Re: [Gluster-users] [Gluster-devel] missing files
>> > >>>>>
>> > >>>>>
>> > >>>>>> On 02/05/2015 03:48 PM, Pranith Kumar Karampuri wrote:
>> > >>>>>> I believe David already fixed this. I hope this is the same
>>issue he
>> > >>>>>> told about permissions issue.
>> > >>>>> Oops, it is not. I will take a look.
>> > >>>>
>> > >>>> Yes David exactly like these:
>> > >>>>
>> > >>>> data-brick02a-homegfs.log:[2015-02-03 19:09:34.568842] I
>> > >>>> [server.c:518:server_rpc_notify] 0-homegfs-server:
>>disconnecting
>> > >>>> connection from
>> > >>>>
>>gfs02a.corvidtec.com-18563-2015/02/03-19:07:58:519134-homegfs-client-2-0-0
>> > >>>> data-brick02a-homegfs.log:[2015-02-03 19:09:41.286551] I
>> > >>>> [server.c:518:server_rpc_notify] 0-homegfs-server:
>>disconnecting
>> > >>>> connection from
>> > >>>>
>>gfs01a.corvidtec.com-12804-2015/02/03-19:09:38:497808-homegfs-client-2-0-0
>> > >>>> data-brick02a-homegfs.log:[2015-02-03 19:16:35.906412] I
>> > >>>> [server.c:518:server_rpc_notify] 0-homegfs-server:
>>disconnecting
>> > >>>> connection from
>> > >>>>
>>gfs02b.corvidtec.com-27190-2015/02/03-19:15:53:458467-homegfs-client-2-0-0
>> > >>>> data-brick02a-homegfs.log:[2015-02-03 19:51:22.761293] I
>> > >>>> [server.c:518:server_rpc_notify] 0-homegfs-server:
>>disconnecting
>> > >>>> connection from
>> > >>>>
>>gfs01a.corvidtec.com-25926-2015/02/03-19:51:02:89070-homegfs-client-2-0-0
>> > >>>> data-brick02a-homegfs.log:[2015-02-03 20:54:02.772180] I
>> > >>>> [server.c:518:server_rpc_notify] 0-homegfs-server:
>>disconnecting
>> > >>>> connection from
>> > >>>>
>>gfs01b.corvidtec.com-4175-2015/02/02-16:44:31:179119-homegfs-client-2-0-1
>> > >>>>
>> > >>>> You can 100% verify my theory if you can correlate the time on
>>the
>> > >>>> disconnects to the time that the missing files were healed.
>>Can you
>> > >>>> have
>> > >>>> a look at /var/log/glusterfs/glustershd.log? That has all of
>>the
>> > >>>> healed
>> > >>>> files + timestamps, if we can see a disconnect during the
>>rsync and a
>> > >>>> self
>> > >>>> heal of the missing file I think we can safely assume that the
>> > >>>> disconnects
>> > >>>> may have caused this. I'll try this on my test systems, how
>>much data
>> > >>>> did
>> > >>>> you rsync? What size ish of files / an idea of the dir layout?
>> > >>>>
>> > >>>> @Pranith - Could bricks flapping up and down during the rsync
>>cause
>> > >>>> the
>> > >>>> files to be missing on the first ls(written to 1 subvol but
>>not the
>> > >>>> other
>> > >>>> cause it was down), the ls triggered SH, and thats why the
>>files were
>> > >>>> there for the second ls be a possible cause here?
>> > >>>>
>> > >>>> -b
>> > >>>>
>> > >>>>
>> > >>>>> Pranith
>> > >>>>>>
>> > >>>>>> Pranith
>> > >>>>>>> On 02/05/2015 03:44 PM, Xavier Hernandez wrote:
>> > >>>>>>> Is the failure repeatable ? with the same directories ?
>> > >>>>>>>
>> > >>>>>>> It's very weird that the directories appear on the volume
>>when you
>> > >>>>>>> do
>> > >>>>>>> an 'ls' on the bricks. Could it be that you only made a
>>single 'ls'
>> > >>>>>>> on fuse mount which not showed the directory ? Is it
>>possible that
>> > >>>>>>> this 'ls' triggered a self-heal that repaired the problem,
>>whatever
>> > >>>>>>> it was, and when you did another 'ls' on the fuse mount
>>after the
>> > >>>>>>> 'ls' on the bricks, the directories were there ?
>> > >>>>>>>
>> > >>>>>>> The first 'ls' could have healed the files, causing that
>>the
>> > >>>>>>> following 'ls' on the bricks showed the files as if nothing
>>were
>> > >>>>>>> damaged. If that's the case, it's possible that there were
>>some
>> > >>>>>>> disconnections during the copy.
>> > >>>>>>>
>> > >>>>>>> Added Pranith because he knows better replication and
>>self-heal
>> > >>>>>>> details.
>> > >>>>>>>
>> > >>>>>>> Xavi
>> > >>>>>>>
>> > >>>>>>>> On 02/04/2015 07:23 PM, David F. Robinson wrote:
>> > >>>>>>>> Distributed/replicated
>> > >>>>>>>>
>> > >>>>>>>> Volume Name: homegfs
>> > >>>>>>>> Type: Distributed-Replicate
>> > >>>>>>>> Volume ID: 1e32672a-f1b7-4b58-ba94-58c085e59071
>> > >>>>>>>> Status: Started
>> > >>>>>>>> Number of Bricks: 4 x 2 = 8
>> > >>>>>>>> Transport-type: tcp
>> > >>>>>>>> Bricks:
>> > >>>>>>>> Brick1: gfsib01a.corvidtec.com:/data/brick01a/homegfs
>> > >>>>>>>> Brick2: gfsib01b.corvidtec.com:/data/brick01b/homegfs
>> > >>>>>>>> Brick3: gfsib01a.corvidtec.com:/data/brick02a/homegfs
>> > >>>>>>>> Brick4: gfsib01b.corvidtec.com:/data/brick02b/homegfs
>> > >>>>>>>> Brick5: gfsib02a.corvidtec.com:/data/brick01a/homegfs
>> > >>>>>>>> Brick6: gfsib02b.corvidtec.com:/data/brick01b/homegfs
>> > >>>>>>>> Brick7: gfsib02a.corvidtec.com:/data/brick02a/homegfs
>> > >>>>>>>> Brick8: gfsib02b.corvidtec.com:/data/brick02b/homegfs
>> > >>>>>>>> Options Reconfigured:
>> > >>>>>>>> performance.io-thread-count: 32
>> > >>>>>>>> performance.cache-size: 128MB
>> > >>>>>>>> performance.write-behind-window-size: 128MB
>> > >>>>>>>> server.allow-insecure: on
>> > >>>>>>>> network.ping-timeout: 10
>> > >>>>>>>> storage.owner-gid: 100
>> > >>>>>>>> geo-replication.indexing: off
>> > >>>>>>>> geo-replication.ignore-pid-check: on
>> > >>>>>>>> changelog.changelog: on
>> > >>>>>>>> changelog.fsync-interval: 3
>> > >>>>>>>> changelog.rollover-time: 15
>> > >>>>>>>> server.manage-gids: on
>> > >>>>>>>>
>> > >>>>>>>>
>> > >>>>>>>> ------ Original Message ------
>> > >>>>>>>> From: "Xavier Hernandez" <xhernandez at datalab.es>
>> > >>>>>>>> To: "David F. Robinson" <david.robinson at corvidtec.com>;
>>"Benjamin
>> > >>>>>>>> Turner" <bennyturns at gmail.com>
>> > >>>>>>>> Cc: "gluster-users at gluster.org"
>><gluster-users at gluster.org>;
>> > >>>>>>>> "Gluster
>> > >>>>>>>> Devel" <gluster-devel at gluster.org>
>> > >>>>>>>> Sent: 2/4/2015 6:03:45 AM
>> > >>>>>>>> Subject: Re: [Gluster-devel] missing files
>> > >>>>>>>>
>> > >>>>>>>>>> On 02/04/2015 01:30 AM, David F. Robinson wrote:
>> > >>>>>>>>>> Sorry. Thought about this a little more. I should have
>>been
>> > >>>>>>>>>> clearer.
>> > >>>>>>>>>> The files were on both bricks of the replica, not just
>>one side.
>> > >>>>>>>>>> So,
>> > >>>>>>>>>> both bricks had to have been up... The files/directories
>>just
>> > >>>>>>>>>> don't show
>> > >>>>>>>>>> up on the mount.
>> > >>>>>>>>>> I was reading and saw a related bug
>> > >>>>>>>>>> (https://bugzilla.redhat.com/show_bug.cgi?id=1159484). I
>>saw it
>> > >>>>>>>>>> suggested to run:
>> > >>>>>>>>>> find <mount> -d -exec getfattr -h -n trusted.ec.heal {}
>> > >>>>>>>>>> \;
>> > >>>>>>>>>
>> > >>>>>>>>> This command is specific for a dispersed volume. It won't
>>do
>> > >>>>>>>>> anything
>> > >>>>>>>>> (aside from the error you are seeing) on a replicated
>>volume.
>> > >>>>>>>>>
>> > >>>>>>>>> I think you are using a replicated volume, right ?
>> > >>>>>>>>>
>> > >>>>>>>>> In this case I'm not sure what can be happening. Is your
>>volume a
>> > >>>>>>>>> pure
>> > >>>>>>>>> replicated one or a distributed-replicated ? on a pure
>>replicated
>> > >>>>>>>>> it
>> > >>>>>>>>> doesn't make sense that some entries do not show in an
>>'ls' when
>> > >>>>>>>>> the
>> > >>>>>>>>> file is in both replicas (at least without any error
>>message in
>> > >>>>>>>>> the
>> > >>>>>>>>> logs). On a distributed-replicated it could be caused by
>>some
>> > >>>>>>>>> problem
>> > >>>>>>>>> while combining contents of each replica set.
>> > >>>>>>>>>
>> > >>>>>>>>> What's the configuration of your volume ?
>> > >>>>>>>>>
>> > >>>>>>>>> Xavi
>> > >>>>>>>>>
>> > >>>>>>>>>>
>> > >>>>>>>>>> I get a bunch of errors for operation not supported:
>> > >>>>>>>>>> [root at gfs02a homegfs]# find wks_backup -d -exec getfattr
>>-h -n
>> > >>>>>>>>>> trusted.ec.heal {} \;
>> > >>>>>>>>>> find: warning: the -d option is deprecated; please use
>>-depth
>> > >>>>>>>>>> instead,
>> > >>>>>>>>>> because the latter is a POSIX-compliant feature.
>> > >>>>>>>>>> wks_backup/homer_backup/backup: trusted.ec.heal:
>>Operation not
>> > >>>>>>>>>> supported
>> > >>>>>>>>>> wks_backup/homer_backup/logs/2014_05_20.log:
>>trusted.ec.heal:
>> > >>>>>>>>>> Operation
>> > >>>>>>>>>> not supported
>> > >>>>>>>>>> wks_backup/homer_backup/logs/2014_05_21.log:
>>trusted.ec.heal:
>> > >>>>>>>>>> Operation
>> > >>>>>>>>>> not supported
>> > >>>>>>>>>> wks_backup/homer_backup/logs/2014_05_18.log:
>>trusted.ec.heal:
>> > >>>>>>>>>> Operation
>> > >>>>>>>>>> not supported
>> > >>>>>>>>>> wks_backup/homer_backup/logs/2014_05_19.log:
>>trusted.ec.heal:
>> > >>>>>>>>>> Operation
>> > >>>>>>>>>> not supported
>> > >>>>>>>>>> wks_backup/homer_backup/logs/2014_05_22.log:
>>trusted.ec.heal:
>> > >>>>>>>>>> Operation
>> > >>>>>>>>>> not supported
>> > >>>>>>>>>> wks_backup/homer_backup/logs: trusted.ec.heal: Operation
>>not
>> > >>>>>>>>>> supported
>> > >>>>>>>>>> wks_backup/homer_backup: trusted.ec.heal: Operation not
>> > >>>>>>>>>> supported
>> > >>>>>>>>>> ------ Original Message ------
>> > >>>>>>>>>> From: "Benjamin Turner" <bennyturns at gmail.com
>> > >>>>>>>>>> <mailto:bennyturns at gmail.com>>
>> > >>>>>>>>>> To: "David F. Robinson" <david.robinson at corvidtec.com
>> > >>>>>>>>>> <mailto:david.robinson at corvidtec.com>>
>> > >>>>>>>>>> Cc: "Gluster Devel" <gluster-devel at gluster.org
>> > >>>>>>>>>> <mailto:gluster-devel at gluster.org>>;
>>"gluster-users at gluster.org"
>> > >>>>>>>>>> <gluster-users at gluster.org
>><mailto:gluster-users at gluster.org>>
>> > >>>>>>>>>> Sent: 2/3/2015 7:12:34 PM
>> > >>>>>>>>>> Subject: Re: [Gluster-devel] missing files
>> > >>>>>>>>>>> It sounds to me like the files were only copied to one
>>replica,
>> > >>>>>>>>>>> werent
>> > >>>>>>>>>>> there for the initial for the initial ls which
>>triggered a self
>> > >>>>>>>>>>> heal,
>> > >>>>>>>>>>> and were there for the last ls because they were
>>healed. Is
>> > >>>>>>>>>>> there
>> > >>>>>>>>>>> any
>> > >>>>>>>>>>> chance that one of the replicas was down during the
>>rsync? It
>> > >>>>>>>>>>> could
>> > >>>>>>>>>>> be that you lost a brick during copy or something like
>>that. To
>> > >>>>>>>>>>> confirm I would look for disconnects in the brick logs
>>as well
>> > >>>>>>>>>>> as
>> > >>>>>>>>>>> checking glusterfshd.log to verify the missing files
>>were
>> > >>>>>>>>>>> actually
>> > >>>>>>>>>>> healed.
>> > >>>>>>>>>>>
>> > >>>>>>>>>>> -b
>> > >>>>>>>>>>>
>> > >>>>>>>>>>> On Tue, Feb 3, 2015 at 5:37 PM, David F. Robinson
>> > >>>>>>>>>>> <david.robinson at corvidtec.com
>> > >>>>>>>>>>> <mailto:david.robinson at corvidtec.com>>
>> > >>>>>>>>>>> wrote:
>> > >>>>>>>>>>>
>> > >>>>>>>>>>> I rsync'd 20-TB over to my gluster system and noticed
>>that I
>> > >>>>>>>>>>> had
>> > >>>>>>>>>>> some directories missing even though the rsync
>>completed
>> > >>>>>>>>>>> normally.
>> > >>>>>>>>>>> The rsync logs showed that the missing files were
>> > >>>>>>>>>>> transferred.
>> > >>>>>>>>>>> I went to the bricks and did an 'ls -al
>> > >>>>>>>>>>> /data/brick*/homegfs/dir/*' the files were on the
>>bricks.
>> > >>>>>>>>>>> After I
>> > >>>>>>>>>>> did this 'ls', the files then showed up on the FUSE
>>mounts.
>> > >>>>>>>>>>> 1) Why are the files hidden on the fuse mount?
>> > >>>>>>>>>>> 2) Why does the ls make them show up on the FUSE mount?
>> > >>>>>>>>>>> 3) How can I prevent this from happening again?
>> > >>>>>>>>>>> Note, I also mounted the gluster volume using NFS and
>>saw the
>> > >>>>>>>>>>> same
>> > >>>>>>>>>>> behavior. The files/directories were not shown until I
>>did
>> > >>>>>>>>>>> the
>> > >>>>>>>>>>> "ls" on the bricks.
>> > >>>>>>>>>>> David
>> > >>>>>>>>>>> ===============================
>> > >>>>>>>>>>> David F. Robinson, Ph.D.
>> > >>>>>>>>>>> President - Corvid Technologies
>> > >>>>>>>>>>> 704.799.6944 x101 <tel:704.799.6944%20x101> [office]
>> > >>>>>>>>>>> 704.252.1310 <tel:704.252.1310> [cell]
>> > >>>>>>>>>>> 704.799.7974 <tel:704.799.7974> [fax]
>> > >>>>>>>>>>> David.Robinson at corvidtec.com
>> > >>>>>>>>>>> <mailto:David.Robinson at corvidtec.com>
>> > >>>>>>>>>>> http://www.corvidtechnologies.com
>> > >>>>>>>>>>> <http://www.corvidtechnologies.com/>
>> > >>>>>>>>>>>
>> > >>>>>>>>>>> _______________________________________________
>> > >>>>>>>>>>> Gluster-devel mailing list
>> > >>>>>>>>>>> Gluster-devel at gluster.org
>><mailto:Gluster-devel at gluster.org>
>> > >>>>>>>>>>> http://www.gluster.org/mailman/listinfo/gluster-devel
>> > >>>>>>>>>>
>> > >>>>>>>>>>
>> > >>>>>>>>>> _______________________________________________
>> > >>>>>>>>>> Gluster-devel mailing list
>> > >>>>>>>>>> Gluster-devel at gluster.org
>> > >>>>>>>>>> http://www.gluster.org/mailman/listinfo/gluster-devel
>> > >>>>>>
>> > >>>>>> _______________________________________________
>> > >>>>>> Gluster-users mailing list
>> > >>>>>> Gluster-users at gluster.org
>> > >>>>>> http://www.gluster.org/mailman/listinfo/gluster-users
>> > >>>>>
>> > >>>>> _______________________________________________
>> > >>>>> Gluster-users mailing list
>> > >>>>> Gluster-users at gluster.org
>> > >>>>> http://www.gluster.org/mailman/listinfo/gluster-users
>> > >>
>> >
>> > _______________________________________________
>> > Gluster-devel mailing list
>> > Gluster-devel at gluster.org
>> > http://www.gluster.org/mailman/listinfo/gluster-devel
>>
>> --
>> GlusterFS - http://www.gluster.org
>>
>> An open source, distributed file system scaling to several
>> petabytes, and handling thousands of clients.
>>
>> My personal twitter: twitter.com/realjustinclift
>>
>>
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