Date: Wed, 05 May 2010 11:14:06 +0200 From: Giulio Ferro <auryn@zirakzigil.org> To: Simun Mikecin <numisemis@yahoo.com> Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Freebsd 8.0 kmem map too small Message-ID: <4BE136DE.5010904@zirakzigil.org> In-Reply-To: <483679.65695.qm@web112403.mail.gq1.yahoo.com> References: <4BDEA86E.3050109@zirakzigil.org> <20100503110100.GA93137@icarus.home.lan> <4BDEC106.3040807@zirakzigil.org> <4BE110E3.8040902@zirakzigil.org> <20100505075242.GA57550@icarus.home.lan> <4BE13067.1060606@zirakzigil.org> <483679.65695.qm@web112403.mail.gq1.yahoo.com>
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On 05.05.2010 11:11, Simun Mikecin wrote: > ----- Original Message ---- > >>> I'm really astounded at how unstable zfs is, it's >>> >> causing me a lot >> >>> of problem. >>> >>> Why isn't it >>> >> stated in the handbook that zfs isn't up to production yet? >> >>> >>> >> Why people responsible for ZFS on >> freebsd aren't saying anything? What's the status of this issue? Is someone >> working on this??? >> > > How much RAM do you have? Are you using i386 or amd64? Have you tried removing all zfs and kmem sysctl's so the system uses default values? > > This is the first post of the current thread: it should tell you everything -------------------------------------------------------------------- NFS server amd64 Freebsd 8.0 recent (2 days ago) This server has been running for several months without problems. Beginning last week, however, I'm experiencing panics (about 1 per day) with the error in the subject Current settings: vm.kmem_size_scale: 3 vm.kmem_size_max: 329853485875 vm.kmem_size_min: 0 vm.kmem_size: 2764046336 ... hw.physmem: 8568225792 hw.usermem: 6117404672 hw.realmem: 9395240960 ... vfs.zfs.l2arc_noprefetch: 0 vfs.zfs.l2arc_feed_secs_shift: 1 vfs.zfs.l2arc_feed_secs: 1 vfs.zfs.l2arc_headroom: 128 vfs.zfs.l2arc_write_boost: 67108864 vfs.zfs.l2arc_write_max: 67108864 vfs.zfs.arc_meta_limit: 431882240 vfs.zfs.arc_meta_used: 431874720 vfs.zfs.arc_min: 215941120 vfs.zfs.arc_max: 1727528960 I've set nothing in either /boot/loader.conf or sysctl.conf What should I do? --------------------------------------------------------------------
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