[Gluster-devel] Bug in AFR mode

[Anand Avati]

Nicolas,
  what is the commit id on which you tested? some bug fixes went into
replicate last night.

Avati

On Fri, Feb 27, 2009 at 5:20 PM, nicolas prochazka
<prochazka.nicolas at gmail.com> wrote:
> Hello
> I'm using last gluster from git.
> I think there's problem with lock server in AFR mode :
>
> Test :
> Server A and B in AFR
>
> TEST 1
> 1 / install A , B  then copie a file to A : synchro to B is perfect
> 2 / erase all B server and resinstall it   : synchronisation is not
> possible. ( nothing is doing )
>
> TEST 2
> 1 / install A , B  then copie a file to A (gluster mount point)  : synchro
> to B is perfect
> 2 / erase all A : reinstall it :  synchro from B is perfect
>
> Now if a redo TEST 1 , but  in my last volume (volume last) ,  I inverse
> brick_10.98.98.1 and 10.98.98.2  in subvolumes, so now it is 10.98.98.1 as
> lock server for AFR
> TEST 1 work  , TEST 2  not .
>
> I think it try to use lock server where file does not exist in a case, so
> problem occur.
> I try to add 2 lock lock server with
> option data-lock-server-count 2
> option entry-lock-server-count 2
>
> without success,
> i'm trying with 0  , without success.
>
>
> Client config file ( the same for A and B )
>
> volume brick_10.98.98.1
> type protocol/client
> option transport-type tcp/client
> option transport-timeout 120
> option remote-host 10.98.98.1
> option remote-subvolume brick
> end-volume
>
>
> volume brick_10.98.98.2
> type protocol/client
> option transport-type tcp/client
> option transport-timeout 120
> option remote-host 10.98.98.2
> option remote-subvolume brick
> end-volume
>
>
> volume last
> type cluster/replicate
> subvolumes brick_10.98.98.2 brick_10.98.98.1
> option read-subvolume brick_10.98.98.2
> option favorite-child brick_10.98.98.2
> end-volume
>
> volume iothreads
> type performance/io-threads
> option thread-count 4
> subvolumes last
> end-volume
>
> volume io-cache
> type performance/io-cache
> option cache-size 2048MB             # default is 32MB
> option page-size  1MB             #128KB is default option
> option cache-timeout 2  # default is 1
> subvolumes iothreads
> end-volume
>
> volume writebehind
> type performance/write-behind
> option block-size 256KB # default is 0bytes
> option cache-size 512KB
> option flush-behind on      # default is 'off'
> subvolumes io-cache
> end-volume
>
>
>
> Server config for A and B  the same execpt for IP
>
>
> volume brickless
> type storage/posix
> option directory /mnt/disks/export
> end-volume
>
> volume brickthread
> type features/posix-locks
> option mandatory on          # enables mandatory locking on all files
> subvolumes brickless
> end-volume
>
> volume brickcache
> type performance/io-cache
> option cache-size 1024MB
> option page-size 1MB
> option cache-timeout 2
> subvolumes brickthread
> end-volume
>
> volume brick
> type performance/io-threads
> option thread-count 8
> option cache-size 256MB
> subvolumes brickcache
> end-volume
>
>
> volume server
> type protocol/server
> subvolumes brick
> option transport-type tcp
> option auth.addr.brick.allow 10.98.98.*
> end-volume
>
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>