Date: Fri, 25 Nov 2011 14:56:11 -0600 From: Mark Felder <feld@feld.me> To: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: zfs i/o hangs on 9-PRERELEASE Message-ID: <af895007399a69f46c3fc945ff84f1c5@feld.me> In-Reply-To: <CAOjFWZ4Hi0bmY8MEu-S=tzwVBGyPJXRLWzWFV-=riR7zjc2nXw@mail.gmail.com> References: <95d00c1b714837aa32e7da72bc4afd03@feld.me> <CAOjFWZ4Hi0bmY8MEu-S=tzwVBGyPJXRLWzWFV-=riR7zjc2nXw@mail.gmail.com>
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On 25.11.2011 13:39, Freddie Cash wrote: > > There's a lot of uma_* stuff in there. Just curious, what's the > following > sysctl set to: > > vfs.zfs.zio.use_uma > > Back in the 8.x days, it was recommended to set it to 0 due to bugs: > > http://lists.freebsd.org/pipermail/freebsd-stable/2010-June/057162.html > > No idea if this is still the case or not, but you may want to try > toggling > that sysctl and see if it makes a difference. Confirmed mine is set to 0.
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