Date: Tue, 8 Apr 2008 09:55:22 +0200 From: =?ISO-8859-1?Q?Johan_Str=F6m?= <johan@headweb.com> To: d@delphij.net Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: ZFS deadlock Message-ID: <3886278B-F65A-44BD-8307-C9889727FEA3@headweb.com> In-Reply-To: <47FB2155.1030106@delphij.net> References: <0B67CBBD-11CB-44C2-807D-5F00654CDD35@headweb.com> <47FB2155.1030106@delphij.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Apr 8, 2008, at 9:40 AM, LI Xin wrote: > For your question: just reboot would be fine, you may want to tune > your arc size (to be smaller) and kmem space (to be larger), which > would reduce the chance that this would happen, or eliminate it, > depending on your workload. Back online now, with kmem/kmem_max to 1G and arcsize to 512M. Are those reasonable on a 2G machine? I think I've read that from somewhere, but cannot find that (arc at least) in the TuningGuide now. > > This situation is not recoverable and you can trust ZFS that you > will not lose data if they are already sync'ed. > Actually, I've had a lot of hard crashes lately on this machine (bad hw) but not a single time I have lost data (to my knowledge at least...). In that regard, comparing to UFS, ZFS is waaay better! :) > -- > Xin LI <delphij@delphij.net> http://www.delphij.net/ > FreeBSD - The Power to Serve! >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3886278B-F65A-44BD-8307-C9889727FEA3>