On Tue, Aug 24, 2010 at 06:49:23AM +1000, Peter Jeremy wrote: > On 2010-Aug-21 23:04:35 +0100, Tim Bishop <[email protected]> wrote: > >I've had a problem on a FreeBSD 8.1R system for a few weeks. It seems > >that ZFS gets in to an almost unresponsive state. Last time it did it > >(two weeks ago) I couldn't even log in, although the system was up, this > >time I could manage a reboot but couldn't stop any applications (they > >were likely hanging on I/O). > > Unless you have a ZFS-only system, it's possible you are running out > of free memory (see the "free" entry in top(1) or 'systat -v') - in > which case r211581 (and r211599 which fixes a mismerge) should help. > Your very high kstat.zfs.misc.arcstats.memory_throttle_count suggests > this is your problem.
Thanks. At the time I had a reasonable amount free (~450MB from 3GB), but it had dropped lower than that at some points previously. I'll take a closer look at that next time, and look at that patch (or upgrade to 8-STABLE). And the system has a UFS root, but all the apps/data are stored in ZFS. Tim. -- Tim Bishop http://www.bishnet.net/tim/ PGP Key: 0x5AE7D984 _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
