[Gluster-users] Structure needs cleaning on some files

[Johan Huysmans]

I created a bug for this issue:

https://bugzilla.redhat.com/show_bug.cgi?id=1041109

gr.
Johan

On 10-12-13 12:52, Johan Huysmans wrote:
> Hi All,
>
> It seems I can easily reproduce the problem.
>
> * on node 1 create a file (touch , cat , ...).
> * on node 2 take md5sum of direct file (md5sum /path/to/file)
> * on node 1 move file to other name (mv file file1)
> * on node 2 take md5sum of direct file (md5sum /path/to/file), this is 
> still working although the file is not really there
> * on node 1 change file content
> * on node 2 take md5sum of direct file (md5sum /path/to/file), this is 
> still working and has a changed md5sum
>
> This is really strange behaviour.
> Is this normal, can this be altered with a a setting?
>
> Thanks for any info,
> gr.
> Johan
>
> On 10-12-13 10:02, Johan Huysmans wrote:
>> I could reproduce this problem with while my mount point is running 
>> in debug mode.
>> logfile is attached.
>>
>> gr.
>> Johan Huysmans
>>
>> On 10-12-13 09:30, Johan Huysmans wrote:
>>> Hi All,
>>>
>>> When reading some files we get this error:
>>> md5sum: /path/to/file.xml: Structure needs cleaning
>>>
>>> in /var/log/glusterfs/mnt-sharedfs.log we see these errors:
>>> [2013-12-10 08:07:32.256910] W 
>>> [client-rpc-fops.c:526:client3_3_stat_cbk] 1-testvolume-client-0: 
>>> remote operation failed: No such file or directory
>>> [2013-12-10 08:07:32.257436] W 
>>> [client-rpc-fops.c:526:client3_3_stat_cbk] 1-testvolume-client-1: 
>>> remote operation failed: No such file or directory
>>> [2013-12-10 08:07:32.259356] W [fuse-bridge.c:705:fuse_attr_cbk] 
>>> 0-glusterfs-fuse: 8230: STAT() /path/to/file.xml => -1 (Structure 
>>> needs cleaning)
>>>
>>> We are using gluster 3.4.1-3 on CentOS6.
>>> Our servers are 64-bit, our clients 32-bit (we are already using 
>>> --enable-ino32 on the mountpoint)
>>>
>>> This is my gluster configuration:
>>> Volume Name: testvolume
>>> Type: Replicate
>>> Volume ID: ca9c2f87-5d5b-4439-ac32-b7c138916df7
>>> Status: Started
>>> Number of Bricks: 1 x 2 = 2
>>> Transport-type: tcp
>>> Bricks:
>>> Brick1: SRV-1:/gluster/brick1
>>> Brick2: SRV-2:/gluster/brick2
>>> Options Reconfigured:
>>> performance.force-readdirp: on
>>> performance.stat-prefetch: off
>>> network.ping-timeout: 5
>>>
>>> And this is how the applications work:
>>> We have 2 client nodes who both have a fuse.glusterfs mountpoint.
>>> On 1 client node we have a application which writes files.
>>> On the other client node we have a application which reads these files.
>>> On the node where the files are written we don't see any problem, 
>>> and can read that file without problems.
>>> On the other node we have problems (error messages above) reading 
>>> that file.
>>> The problem occurs when we perform a md5sum on the exact file, when 
>>> perform a md5sum on all files in that directory there is no problem.
>>>
>>>
>>> How can we solve this problem as this is annoying.
>>> The problem occurs after some time (can be days), an umount and 
>>> mount of the mountpoint solves it for some days.
>>> Once it occurs (and we don't remount) it occurs every time.
>>>
>>>
>>> I hope someone can help me with this problems.
>>>
>>> Thanks,
>>> Johan Huysmans
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>>
>>
>>
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