[Gluster-devel] AFR+locks bug?

[Anand Avati]

Szabolcs,
 I suspect it might be an issue with 2.7.2-glfs8. We are seeing similar
issues with the 2.7.2 fuse. Please let us know if 2.7.0 works well for you.

thanks,
avati

2008/1/17, Székelyi Szabolcs <cc at avaxio.hu>:
>
> Hi,
>
> AFR with posix-locks behaves really strange nowadays... GlusterFS is a
> fresh TLA checkout (patch-636), FUSE is brand the new 2.7.2-glfs8.
>
> I have 4 servers with a 4-way AFR on each and features/posix-locks
> loaded just above storage/posix bricks. On each AFR, one replica is the
> local storage, the remaining 3 are on the other 3 servers.
>
> The 4 AFR bricks are mounted on each server from 'localhost'.
>
> The machines are freshly booted. Basic FS functions (ls, copy, cat) work
> fine.
>
> Now I run a distributed locking test using [1]. On the "master" locker I
> get:
>
> > # /tmp/locktests -n 10 -c 3  -f /mnt/glusterfs/testfile
> > Init
> > process initalization
> > ....................
> > --------------------------------------
> >
> > TEST : TRY TO WRITE ON A READ  LOCK:==========
> > TEST : TRY TO WRITE ON A WRITE LOCK:==========
> > TEST : TRY TO READ  ON A READ  LOCK:==========
> > TEST : TRY TO READ  ON A WRITE LOCK:==========
> > TEST : TRY TO SET A READ  LOCK ON A READ  LOCK:
>
> After about 5 minutes, another
>
> > RDONLY: fcntl: Transport endpoint is not connected
>
> appears, and the locking processes exit on all slave servers, the master
> blocks.
>
> The mount point locks up. Even an `ls` from a different terminal seems
> to block forever.
>
> You can find my server config below. Client configs are simple, just a
> protocol/client brick from localhost. I can provide server debug logs if
> you need.
>
> Any idea?
>
> Thanks,
> --
> Szabolcs
>
>
> [1] http://nfsv4.bullopensource.org/tools/tests_tools/locktests-net.tar.gz
>
>
> My server config (from a single node, lu1):
>
> volume data-posix
>   type storage/posix
>   option directory /srv/glusterfs
> end-volume
>
> volume data1
>   type features/posix-locks
>   subvolumes data-posix
> end-volume
>
> volume data2
>   type protocol/client
>   option transport-type tcp/client
>   option remote-host lu2
>   option remote-subvolume data2
> end-volume
>
> volume data3
>   type protocol/client
>   option transport-type tcp/client
>   option remote-host lu3
>   option remote-subvolume data3
> end-volume
>
> volume data4
>   type protocol/client
>   option transport-type tcp/client
>   option remote-host lu4
>   option remote-subvolume data4
> end-volume
>
> volume data-afr
>   type cluster/afr
>   subvolumes data1 data2 data3 data4
> end-volume
>
> volume server
>   type protocol/server
>   subvolumes data1 data-afr
>   option transport-type tcp/server
>   option auth.ip.data1.allow 10.0.0.*
>   option auth.ip.data-afr.allow 127.0.0.1,10.0.0.*
> end-volume
>
>
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>



-- 
If I traveled to the end of the rainbow
As Dame Fortune did intend,
Murphy would be there to tell me
The pot's at the other end.