Topic
3 replies Latest Post - ‏2008-12-02T20:02:24Z by SystemAdmin
SystemAdmin
SystemAdmin
2092 Posts
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Pinned topic GPFS Unmount

‏2008-11-07T15:00:56Z |
Hello!
Our customer has a problem.
Periodically, the file system on one node of cluster has been dismounted.
Fri Oct 31 20:26:23 MSK 2008 runmmfs starting
Removing old /var/adm/ras/mmfs.log.* files:
Unloading modules from /usr/lpp/mmfs/bin
Loading modules from /usr/lpp/mmfs/bin
Module Size Used by
mmfslinux 192996 1 mmfs
tracedev 16540 2 mmfs,mmfslinux
Fri Oct 31 20:26:25.029 2008: mmfsd initializing. {Version: 3.1.0.24 Built: Oct 24 2008 15:24:17} ...
Fri Oct 31 20:26:26.169 2008: Accepted and connected to 172.30.4.41 tsm-1
Fri Oct 31 20:26:26.516 2008: Accepted and connected to 172.30.4.42 tsm-2
Fri Oct 31 20:26:26.526 2008: Accepted and connected to 172.30.4.12 vn-2
Fri Oct 31 20:26:26.544 2008: Connecting to 172.30.4.11 vn-1
Fri Oct 31 20:26:26.545 2008: Connected to 172.30.4.11 vn-1
Fri Oct 31 20:26:26.546 2008: Connecting to 172.30.4.51 mmp-1
Fri Oct 31 20:26:26.545 2008: Connecting to 172.30.4.52 mmp-2
Fri Oct 31 20:26:26.546 2008: Connected to 172.30.4.52 mmp-2
Fri Oct 31 20:26:27.564 2008: Accepted and connected to 172.30.4.51 mmp-1
Fri Oct 31 20:26:30.689 2008: mmfsd ready
Fri Oct 31 20:26:30 MSK 2008: mmcommon mmfsup invoked
Fri Oct 31 20:26:30 MSK 2008: mounting /dev/gpfsmmp
Fri Oct 31 20:26:30.849 2008: Command: mount gpfsmmp
Fri Oct 31 20:26:32.186 2008: Command: err 0: mount gpfsmmp
Fri Oct 31 20:26:32 MSK 2008: finished mounting /dev/gpfsmmp
Fri Oct 31 20:26:32 MSK 2008: mounting /dev/gpfsnews
Fri Oct 31 20:26:32.195 2008: Command: mount gpfsnews
Fri Oct 31 20:26:32.253 2008: Command: err 0: mount gpfsnews
Fri Oct 31 20:26:32 MSK 2008: finished mounting /dev/gpfsnews
Fri Oct 31 20:27:21.319 2008: Command: unmount gpfsnews
Fri Oct 31 20:27:21.328 2008: Command: err 0: unmount gpfsnews
Fri Oct 31 20:27:21.336 2008: Command: unmount gpfsmmp
Fri Oct 31 20:27:21.337 2008: Command: err 0: unmount gpfsmmp
Fri Oct 31 20:38:19.261 2008: Command: mount gpfsmmp
Fri Oct 31 20:38:19.628 2008: Command: err 0: mount gpfsmmp
Fri Oct 31 20:38:19.634 2008: Command: mount gpfsnews
Fri Oct 31 20:38:19.654 2008: Command: err 0: mount gpfsnews
Fri Nov 7 12:41:39.612 2008: File System gpfsmmp unmounted by the system with return code 2 reason code 0
Fri Nov 7 12:41:39.639 2008: Specified entity, such as a disk or file system, does not exist.

In what there can be a problem? Where it is possible to find the description of error codes?

Thanks
Updated on 2008-12-02T20:02:24Z at 2008-12-02T20:02:24Z by SystemAdmin
  • SystemAdmin
    SystemAdmin
    2092 Posts
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    Re: GPFS Unmount

    ‏2008-11-07T16:02:03Z  in response to SystemAdmin
    In addition

    /var/log/message

    Nov 7 12:41:39 lrv-1 mmfs: Error=MMFS_SYSTEM_UNMOUNT, ID=0xC954F85D, Tag=1314132: Unrecoverable file system operation error. Status code 2. Volume gpfsmmp

    Linux SLES 9.3 (2.6.5-7.244-smp), GPFS 3.1.0-24
    • dlmcnabb
      dlmcnabb
      1012 Posts
      ACCEPTED ANSWER

      Re: GPFS Unmount

      ‏2008-11-19T06:38:19Z  in response to SystemAdmin
      The error 2 is a standard Errno value ENOENT.

      In this case it is too generic to know where the error came from.

      If you can recreate start mmtrace, try the mount, mmtrace stop. Somewhere in the generated trcrpt file will be the "err 2" or "rc 2"
      • SystemAdmin
        SystemAdmin
        2092 Posts
        ACCEPTED ANSWER

        Re: GPFS Unmount

        ‏2008-12-02T20:02:24Z  in response to dlmcnabb
        Here, fragment of the trace log in attachment

        3.092207 5200 TRACE_BASIC: File System gpfsmmp unmounted by the system with return code 2 reason code 0