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Date:      Tue, 30 Jun 2009 08:00:20 -0500
From:      "Rick Romero" <rick@havokmon.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: kern/135412: [zfs] [nfs] zfs(v13)+nfs and open(..., O_WRONLY|O_CREAT|O_EXCL, ...)
Message-ID:  <20090630080020.19155umas229oq8s@www.vfemail.net>
In-Reply-To: <E1MLbya-000P4e-Qd@kabab.cs.huji.ac.il>
References:  <E1MLbya-000P4e-Qd@kabab.cs.huji.ac.il>

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Quoting "Danny Braniss" <danny@cs.huji.ac.il>:

> hi,
> 	This pr is realy holding me back, I can't upgrade this server, and
> telling serveral tens of users to us cp, etc is not an option. The open
> works fine if not using O_EXCL.
>
> Thanks,
> 	danny

This affects procmail deliveries as well.   Any chance of having this
looked at asap? So I'm on zfs 13, I can't drop back zfs versions, and my
production data is stuck.  Yes, I know this isn't a release kernel, but
I was having ungodly slowness with ZFS and was trying everything I could
think of.  I had, due daily to archiving, 50-100thousand 3k files in
each of about 200 directories. Once I moved them all to another machine
(on UFS), the ZFS partition returned to normal speeds...But now I'm
stuck with this delivery issue (fortunately it's only procmail) due to
the upgrade attempt.  I just ran into the 'mv' problem yesterday.

Any relief in sight?

Thanks,
Rick




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