[Gluster-devel] Could be the bug of Glusterfs? The file system is unstable and hang

[Alpha Electronics]

We are testing the glusterfs before recommending them to enterprise clients.
We found that the file system always hang after running for about 2 days.
after killing the server side process and then restart, everything goes back
to normal.

 Here is the spec and error logged:
GlusterFS version:  v2.0.1

Client volume:
volume brick_1
  type protocol/client
  option transport-type tcp/client
  option remote-port 7777 # Non-default port
  option remote-host server1
  option remote-subvolume brick
end-volume

volume brick_2
  type protocol/client
  option transport-type tcp/client
  option remote-port 7777 # Non-default port
  option remote-host server2
  option remote-subvolume brick
end-volume

volume bricks
  type cluster/distribute
  subvolumes brick_1 brick_2
end-volume

Error logged on client side through /var/log/glusterfs.log
[2009-05-29 14:58:55] E [client-protocol.c:292:call_bail] brick_1: bailing
out frame LK(28) frame sent = 2009-05-29 14:28:54. frame-timeout = 1800
[2009-05-29 14:58:55] W [fuse-bridge.c:2284:fuse_setlk_cbk] glusterfs-fuse:
106850788: ERR => -1 (Transport endpoint is not connected)
error logged on server
[2009-05-29 14:59:15] E [client-protocol.c:292:call_bail] brick_2: bailing
out frame LK(28) frame sent = 2009-05-29 14:29:05. frame-timeout = 1800
[2009-05-29 14:59:15] W [fuse-bridge.c:2284:fuse_setlk_cbk] glusterfs-fuse:
106850860: ERR => -1 (Transport endpoint is not connected)

There is error message logged on server side after 1 hour in
/var/log/messages:
May 29 16:04:16 server2 winbindd[3649]: [2009/05/29 16:05:16, 0]
lib/util_sock.c:write_data(564)
May 29 16:04:16 server2 winbindd[3649]:   write_data: write failure. Error =
Connection reset by peer
May 29 16:04:16 server2 winbindd[3649]: [2009/05/29 16:05:16, 0]
libsmb/clientgen.c:write_socket(158)
May 29 16:04:16 server2 winbindd[3649]:   write_socket: Error writing 104
bytes to socket 18: ERRNO = Connection reset by peer
May 29 16:04:16 server2 winbindd[3649]: [2009/05/29 16:05:16, 0]
libsmb/clientgen.c:cli_send_smb(188)
May 29 16:04:16 server2 winbindd[3649]:   Error writing 104 bytes to client.
-1 (Connection reset by peer)
May 29 16:04:16 server2 winbindd[3649]: [2009/05/29 16:05:16, 0]
libsmb/cliconnect.c:cli_session_setup_spnego(859)
May 29 16:04:16 server2 winbindd[3649]:   Kinit failed: Cannot contact any
KDC for requested realm
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