# [OmniOS-discuss] possible bug

Schweiss, Chip chip at innovates.com
Tue Sep 29 18:58:40 UTC 2015

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    I've seen issues like this when you run out of NFS locks.   NFSv3 in
    Illumos is really slow at releasing locks.

    On all my NFS servers I do:

    sharectl set -p lockd_listen_backlog=256 nfs
    sharectl set -p lockd_servers=2048 nfs

    Everywhere I can, I use NFSv4 instead of v3.   It handles lock much better.

    -Chip

    On Tue, Sep 29, 2015 at 1:22 PM, Hildebrandt, Bill <bhildebrandt at exegy.com>
    wrote:

    > Over the past few weeks, I have had 3 separate occurrences where my
    > OmniOS/Napp-it NAS stops responding to NFS and CIFS.  The first time was
    > during the week of the ZFS corruption bug announcement.  The system and
    > it’s replicated storage were both scrubbed and zdb analyzed, and nothing
    > looked wrong.  I rebuilt the NAS from scratch with updated patches and
    > imported the pool.  Same thing happened three days later, and now today,
    > eight days later.  Each time, a reboot is performed to bring it back.  All
    > services appear to be running.  The odd thing is that an “ls –l” hangs on
    > every mountpoint.  Has anyone heard of this issue?  Since I am not OmniOS
    > savvy, is there anything I can capture while in that state that could help
    > debug it?
    >
    >
    >
    > Thanks,
    >
    > Bill
    >
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