Date: Wed, 8 Sep 2010 10:07:27 +0200 From: Matthias Gamsjager <mgamsjager@gmail.com> To: Sergey Zaharchenko <doublef-ctm@yandex.ru> Cc: freebsd-fs@freebsd.org Subject: Re: 8.1-RELEASE ZFS hangs Message-ID: <AANLkTimY_CacKKxAFYAWkGh9bGQ9MkZxbKJFM4uFJBYR@mail.gmail.com> In-Reply-To: <20100908065222.GA2522@nautilus.vmks.ru> References: <20100907164204.GA2571@nautilus.vmks.ru> <AANLkTimoSNVMCYzqPYXV_51KjK8%2BsUej2goJwAdDV2%2Bn@mail.gmail.com> <20100908065222.GA2522@nautilus.vmks.ru>
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On Wed, Sep 8, 2010 at 8:52 AM, Sergey Zaharchenko <doublef-ctm@yandex.ru> wrote: > Hello Matthias! > > Tue, Sep 07, 2010 at 09:32:04PM +0200 you wrote: > >> Did you try 8 stable to see if it makes any difference? > > This server is to be going into production soon, so I'm not in the best > position to try things. I've however tried disabling prefetch and ZIL. > This helped ZFS pass bonnie++, but it deadlocked later on a repeated > make -j 4 buildworld. top shows: > > CPU: š0.0% user, š0.0% nice, š0.0% system, š0.0% interrupt, š100% idle > Mem: 194M Active, 32M Inact, 1844M Wired, 48M Cache, 523M Buf, 5799M Free > > 19285 root š š š š š š 1 š76 š š0 13060K š8876K zfs š š 2 š 0:00 š0.00% cc1 > 19141 root š š š š š š 1 š76 š š0 13060K š8876K tx->tx š1 š 0:00 š0.00% cc1 > 19745 root š š š š š š 1 š76 š š0 13052K š9116K tx->tx š1 š 0:00 š0.00% cc1 > š1154 root š š š š š š 1 š44 š š0 š6896K š 980K tx->tx š0 š 0:00 š0.00% syslogd > š2136 root š š š š š š 1 š44 š š0 š5808K š 812K zio->i š2 š 0:00 š0.00% newsyslog > > etc. > > This, apart from anything else, may indicate that disabling the features > only masks the problems with ZFS, but doesn't eliminate them completely. > > Thanks for your input, > > -- > Sergey Zaharchenko > Could you give more information about the hardware you are using (disk controller in particular) and /boot/loader.conf output.
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