[Gluster-users] Possible new bug in 3.1.5 discovered

[Anand Avati]

James,
  Both in 3.1.5 and 3.2.1 there were necessary locks hang fixes which went
in and as a side effect clients and servers result in a hang when used
across versions. Please upgrade your clients to 3.1.5 as well. This is a
known, and hard to fix compatibility issue.

Avati

On Wed, Jun 29, 2011 at 8:05 PM, Burnash, James <jburnash at knight.com> wrote:

> “May you live in interesting times”****
>
> ** **
>
> Is this a curse or a blessing? J****
>
> ** **
>
> I’ve just tested a 3.1.5 GlusterFS native client against a 3.1.3 storage
> pool using this volume:****
>
> ** **
>
> Volume Name: pfs-rw1****
>
> Type: Distributed-Replicate****
>
> Status: Started****
>
> Number of Bricks: 2 x 2 = 4****
>
> Transport-type: tcp****
>
> Bricks:****
>
> Brick1: jc1letgfs16-pfs1:/export/read-write/g01****
>
> Brick2: jc1letgfs13-pfs1:/export/read-write/g01****
>
> Brick3: jc1letgfs16-pfs1:/export/read-write/g02****
>
> Brick4: jc1letgfs13-pfs1:/export/read-write/g02****
>
> Options Reconfigured:****
>
> performance.cache-size: 2GB****
>
> performance.stat-prefetch: 0****
>
> network.ping-timeout: 10****
>
> diagnostics.client-log-level: ERROR****
>
> ** **
>
> Any attempt to write to that volume mounted on a native client using
> version 3.1.5 results in a hang at the command line, which I can only break
> out of by killing my ssh session into the client. Upon logging back into the
> same client, I see a zombie process from the attempt to write:****
>
> ** **
>
> 21172 ?        D      0:00 touch /pfs1/test/junk1****
>
> ** **
>
> Anybody else run into this situation?****
>
> ** **
>
> Client mount log (/var/log/glusterfs/pfs2.log) below:****
>
> ** **
>
> [2011-06-29 10:28:07.860519] E
> [afr-self-heal-metadata.c:522:afr_sh_metadata_fix] 0-pfs-ro1-replicate-6:
> Unable to self-heal permissions/ownership of '/' (possible split-brain).
> Please fix the file on all backend volumes****
>
> [2011-06-29 10:28:07.860668] E
> [afr-self-heal-metadata.c:522:afr_sh_metadata_fix] 0-pfs-ro1-replicate-1:
> Unable to self-heal permissions/ownership of '/' (possible split-brain).
> Please fix the file on all backend volumes****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> ns/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> ns/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> s/ownership of '/' (possible split-brain). Please fix the file on all
> backend volumes****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> data self-heal failed on /****
>
> ** **
>
> James Burnash****
>
> Unix Engineer****
>
> Knight Capital Group****
>
> ** **
>
>
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