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Thread: Migration process running crasy !

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    Migration process running crasy !

    Hi,

    we have a problem with one of our fileserver (NFS). The system is exporting
    stornext file systems via nfs(3). After some weeks one of the migration processes
    is starting to take more and more cpu time.
    The system is working stable, but our nagios is getting nervous about a process taking
    so much cpu time.

    Some time ago this bug was posted:
    https://bugzilla.kernel.org/show_bug.cgi?id=47341

    But we have to identical NFS servers (same hardware, same software) and only ONE
    is showing this behavior. However we can not change the kernel (-> stornext)...

    Any idea ?



    System: SLES 11 SP2, 3.0.13-0.27-default, x86_64


    ~ # ps aux | grep migra
    root 6 0.0 0.0 0 0 ? S May18 0:00 [migration/0]
    root 8 0.0 0.0 0 0 ? S May18 0:00 [migration/1]
    root 13 0.0 0.0 0 0 ? S May18 0:00 [migration/2]
    root 17 0.0 0.0 0 0 ? S May18 0:00 [migration/3]
    root 21 0.0 0.0 0 0 ? S May18 0:00 [migration/4]
    root 25 0.0 0.0 0 0 ? S May18 0:00 [migration/5]
    root 29 58.0 0.0 0 0 ? S May18 48482:50 [migration/6]
    root 33 0.0 0.0 0 0 ? S May18 0:00 [migration/7]


    Bye, Peer
    Last edited by mpibgc; 15-Jul-2015 at 08:43.

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