Date: Mon, 07 Jan 2008 03:38:02 +0100 From: Thomas Vogt <freebsdlists@bsdunix.ch> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: ZFS on AMD64 - any recent crashes? Message-ID: <4781908A.5090009@bsdunix.ch> In-Reply-To: <flr6fm$27c$1@ger.gmane.org> References: <flr6fm$27c$1@ger.gmane.org>
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Hi Ivan Voras wrote: > Hi, > > In light of the recent discussion about ZFS stability, does anyone still > have kmem_map_too_small panics on AMD64 after tuning it (as presented in > http://wiki.freebsd.org/ZFSTuningGuide)? No crashes so far. ftp2.ch.freebsd.org is running FreeBSD 7 Beta4 with ZFS on a 64bit Intel Quad Core with 4GB since 2-3 months. We provide a cvsup mirror with cvsup.ch.freebsd.org and a portsnap mirror with portsnap3.freebsd.org too. As an official mirror for kde, mysql, fedora, opensuse, openoffice we run several rsync processes a day and offer rsync for mirroring. No problem so far. I never had any ZFS related crash. I just set two paramters in the loader.conf: vm.kmem_size_max="1073741824" vm.kmem_size="1073741824" and kern.maxvnodes=400000 in sysctl.conf I often talk to Solaris admins for larg server farms. They normally use at least 1 GB ram per 1 TB disk space with ZFS. I did the same thing. Regards, Thomas
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