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Re: [Gluster-devel] Could be the bug of Glusterfs? The file system is


From: Shehjar Tikoo
Subject: Re: [Gluster-devel] Could be the bug of Glusterfs? The file system is unstable and hang
Date: Tue, 02 Jun 2009 10:55:44 +0530
User-agent: Mozilla-Thunderbird 2.0.0.19 (X11/20090103)


Hi

>
>     Also, avoid using autoscaling in io-threads for now.
>
>     -Shehjar
>
>

-Shehjar

Alpha Electronics wrote:
Thanks for looking into this. We do use io-threads. Here is the server config:
: volume brick1-posix
  2:  type storage/posix
  3:  option directory /mnt/brick1
  4: end-volume
  5:
  6: volume brick2-posix
  7:  type storage/posix
  8:  option directory /mnt/brick2
  9: end-volume
 10:
 11:
 12: volume brick1-locks
 13:   type features/locks
 14:   subvolumes brick1-posix
 15: end-volume
 16:
 17: volume brick2-locks
 18:   type features/locks
 19:   subvolumes brick2-posix
 20: end-volume
 21:
 22: volume brick1
 23:  type performance/io-threads
 24:  option min-threads 16
 25:  option autoscaling on
 26:  subvolumes brick1-locks
 27: end-volume
 28:
 29: volume brick2
 30:  type performance/io-threads
 31:  option min-threads 16
 32:  option autoscaling on
 33:  subvolumes brick2-locks
 34: end-volume
 35:
 36: volume server
 37:  type protocol/server
 38:  option transport-type tcp
 40:  option auth.addr.brick1.allow *
 41:  option auth.addr.brick2.allow *
 42:  subvolumes brick1 brick2
 43: end-volume
 44:



On Sun, May 31, 2009 at 11:44 PM, Shehjar Tikoo <address@hidden <mailto:address@hidden>> wrote:

    Alpha Electronics wrote:

        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.


    What is the server config?
    If you're not using io-threads on the server, I suggest you do,
    because it does basic load-balancing to avoid timeouts.

    Also, avoid using autoscaling in io-threads for now.

    -Shehjar


         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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