# [OmniOS-discuss] Fwd: SMB file locking problem in r151020 vs r151012

Geoff Nordli geoffn at gnaa.net
Fri Mar 24 04:42:44 UTC 2017

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    On 2017-03-23 08:53 PM, Dan McDonald wrote:
    >  From he bounced file...
    >
    > Sent from my iPhone (typos, autocorrect, and all)
    >
    > Begin forwarded message:
    >
    >> We have a legacy billing app that writes thousand of files to an SMB share on an OmniOS file server twice a month when we do billing.  It had been running r151012 for over a year but was recently upgraded to r151020.  I don’t remember the exact timing – but think we did the upgrade, rejoined it to the domain, and let it sit for about a month to see if there were any problems.  In this time, everything continued to work fine.  However, eventually, I got tired of seeing the “pool needs upgraded” message in the scrub emails, so we did a zpool upgrade, at which point the software that writes to the share started having problems (the developers say with file locking).  I still have the r151012 BE, but am uncertain what will happen when I boot back into it – will the pool degrade gracefully to only the features that older release knows about?  I’m not certain this is even an OmniOS/ZFS bug, but given that was the only change we can think of during the timeframe when the problem popped up, it seems a possibility – so I thought I’d ask the list if anyone else has seen anything like this or has ideas how to troubleshoot?
    > ___

    After an upgrade I had problems with some applications.   I had to
    disable the oplock.

    svccfg -s network/smb/server setprop smbd/oplock_enable=false

    Wonder if that setting will fix anything.

    Geoff

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