Best performance glusterfs v. 3.0.0 and samba

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Hello,

i have some troubles with glusterfs v.3.0.0 and samba.
Have anybody experience with gfs and samba? Maybe my config files oder tuning options are bad?

we use xen 3.4.1 and glusterfs3.0.0 and client-side-replication.

One domU which is running on glusterfs should release another gfs-lun via samba. But the performance is bad.

servervolfile:
cat export-web-data-client_repl.vol
# export-web-data-client_repl
# gfs-01-01 /GFS/web-data
# gfs-01-02 /GFS/web-data

volume posix
  type storage/posix
  option directory /GFS/web-data
end-volume

volume locks
  type features/locks
  subvolumes posix
end-volume

volume writebehind
  type performance/write-behind
  option cache-size 4MB
  option flush-behind on
  subvolumes locks
end-volume

volume web-data
  type performance/io-threads
  option thread-count 32
  subvolumes writebehind
end-volume

volume server
  type protocol/server
  option transport-type tcp
  option transport.socket.listen-port 7000
  option auth.addr.web-data.allow *
  subvolumes web-data
end-volume

clientvolfile:
cat /etc/glusterfs/mount-web-data-client_repl.vol
volume gfs-01-01
  type protocol/client
  option transport-type tcp
  option remote-host gfs-01-01
  option remote-port 7000
  option ping-timeout 5
  option remote-subvolume web-data
end-volume

volume gfs-01-02
  type protocol/client
  option transport-type tcp
  option remote-host gfs-01-02
  option remote-port 7000
  option ping-timeout 5
  option remote-subvolume web-data
end-volume

volume web-data-replicate
    type cluster/replicate
    subvolumes gfs-01-01 gfs-01-02
end-volume

volume readahead
  type performance/read-ahead
option page-count 16 # cache per file = (page-count x page-size)
  subvolumes web-data-replicate
end-volume

volume writebehind
  type performance/write-behind
  option cache-size 2048KB
  option flush-behind on
  subvolumes readahead
end-volume

volume iocache
  type performance/io-cache
  option cache-size 256MB  #1GB supported
  option cache-timeout 1
  subvolumes writebehind
end-volume

volume quickread
    type performance/quick-read
    option cache-timeout 1
    option max-file-size 64kB
    subvolumes iocache
end-volume

volume statprefetch
    type performance/stat-prefetch
    subvolumes quickread
end-volume


Thank you very much
regards,
Roland






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