Re: Storage server
Am Freitag, 7. September 2012 schrieb Bob Proulx:
> Unfortunately I have some recent FUD concerning xfs. I have had some
> recent small idle xfs filesystems trigger kernel watchdog timer
> recoveries recently. Emphasis on idle. Active filesystems are always
> fine. I used /tmp as a large xfs filesystem but swapped it to be ext4
> due to these lockups. Squeeze. Everything current. But when idle it
> would periodically lock up and the only messages in the syslog and on
> the system console were concerning xfs threads timed out. When the
> kernel froze it always had these messages displayed[1]. It was simply
> using /tmp as a hundred gig or so xfs filesystem. Doing nothing but
> changing /tmp from xfs to ext4 resolved the problem and it hasn't seen
> a kernel lockup since. I saw that problem on three different machines
> but effectively all mine and very similar software configurations.
> And by kernel lockup I mean unresponsive and it took a power cycle to
> free it.
>
> I hesitated to say anything because of lacking real data but it means
> I can't completely recommend xfs today even though I have given it
> strong recommendations in the past. I am thinking that recent kernels
> are not completely clean specifically for idle xfs filesystems.
> Meanwhile active ones seem to be just fine. Would love to have this
> resolved one way or the other so I could go back to recommending xfs
> again without reservations.
Squeeze and everything current?
No way. At least when using 2.6.32 default squeeze kernel. Its really old.
Did you try with the latest 3.2 squeeze-backports kernel?
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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