[Gluster-devel] Trying to run a mailcluster

Anand Avati avati at zresearch.com
Fri Feb 15 15:08:01 UTC 2008


Guido,
 do you share the same machines as server and client? is your mount point
directly under / ?

avati

2008/2/15, Guido Smit <guido at comlog.nl>:
>
> Hi all,
>
> I'm trying to set up a mailcluster for a while now, using glusterfs as
> filesystem. I've installed fuse2.7.2glfs8, glusterfs-tla662 on Centos5
>
> As for now, running on 3 servers. 1 configured as dedicated server, 1 as
> client only, 1 as server and client.
>
> Normal file operations are doing great, speed can be a little faster,
> but overall I'm happy with it. When starting Dovecot, the following
> error shows up (1st line repeats for every client that logs in):
>
> 2008-02-15 14:27:43 E [afr.c:3730:afr_lk_cbk] afr:
> (path=/comlog.nl/xxxxxxxxx/Maildir/dovecot.index.log child=pop2-mail)
> op_ret=-1 op_errno=77
> 2008-02-15 14:30:52 C [client-protocol.c:222:call_bail] pop2-mail-ns:
> bailing transport
> 2008-02-15 14:30:52 C [client-protocol.c:222:call_bail] pop2-mail:
> bailing transport
> 2008-02-15 14:32:40 C [client-protocol.c:222:call_bail] pop2-mail-ns:
> bailing transport
>
> Everything stalls, no ls, no df nothing. I have to kill all dovecot
> processes, kill glusterfs and glusterfsd
> I've tried with an empty namespace on both servers, but it didn't
> resolve this.
>
> I really need some advise here.
>
> My configs:
> glusterfs-server.vol
>
> volume pop1-mail-ns
>         type storage/posix
>         option directory /home/namespace
> end-volume
>
> volume pop1-mail-ds
>         type storage/posix
>         option directory /home/export
> end-volume
>
> volume pop1-mail
>         type features/posix-locks
>         option mandatory on                     # enables mandatory
> locking on all files
>         subvolumes pop1-mail-ds
> end-volume
>
> volume pop2-mail
>         type protocol/client
>         option transport-type tcp/client
>         option remote-host 62.59.252.42
>         option remote-subvolume pop2-mail-ds
> end-volume
>
> volume pop2-mail-ns
>         type protocol/client
>         option transport-type tcp/client
>         option remote-host 62.59.252.42
>         option remote-subvolume pop2-mail-ns
> end-volume
>
> volume afr
>         type cluster/afr
>         subvolumes pop1-mail pop2-mail
> end-volume
>
> volume afr-ns
>        type cluster/afr
>        subvolumes pop1-mail-ns pop2-mail-ns
> end-volume
>
> volume unify
>         type cluster/unify
>         option namespace afr-ns
>         option scheduler rr
>         subvolumes afr
> end-volume
>
> volume mail-ds-readahead
>         type performance/read-ahead
>         option page-size 128kB                  # 256KB is the default
> option
>         option page-count 4                     # 2 is default option
>         option force-atime-update off           # default is off
>         subvolumes unify
> end-volume
>
> volume mail-ds-writebehind
>         type performance/write-behind
>         option aggregate-size 1MB               # default is 0bytes
>         option flush-behind on                  # default is 'off'
>         subvolumes mail-ds-readahead
> end-volume
>
> volume mail-ds
>         type performance/io-threads
>         option thread-count 4                   # deault is 1
>         option cache-size 32MB                  #64MB
>         subvolumes mail-ds-writebehind
> end-volume
>
> volume server
>         type protocol/server
>         option transport-type tcp/server
>         subvolumes pop1-mail-ds pop1-mail-ns mail-ds
>         option auth.ip.pop1-mail-ds.allow 62.59.252.*,127.0.0.1
>         option auth.ip.pop1-mail-ns.allow 62.59.252.*,127.0.0.1
>         option auth.ip.mail-ds.allow 62.59.252.*,127.0.0.1
> end-volume
>
>
> glusterfs-client.vol:
>
> volume mailspool
>         type protocol/client
>         option transport-type tcp/client
>         option remote-host 62.59.252.41
>         option remote-subvolume mail-ds
> end-volume
>
> volume readahead
>         type performance/read-ahead
>         option page-size 128kB
>         option page-count 16
>         option force-atime-update off # default is off
>         subvolumes mailspool
> end-volume
>
> volume writeback
>         type performance/write-behind
>         option aggregate-size 1MB
>         option flush-behind on      # default is 'off'
>         subvolumes readahead
> end-volume
>
> volume iothreads
>         type performance/io-threads
>         option thread-count 4  # deault is 1
>         option cache-size 32MB #64MB
>         subvolumes writeback
> end-volume
>
> volume io-cache
>         type performance/io-cache
>         option cache-size 128MB             # default is 32MB
>         option page-size 1MB               #128KB is default option
>         option priority *:0 # default is '*:0'
>         option force-revalidate-timeout 2  # default is 1
>         subvolumes iothreads
> end-volume
>
>
>
> --
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>
>
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As Dame Fortune did intend,
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