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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