Date: Mon, 2 Aug 2010 18:54:23 -0700 (PDT) From: "Lincoln F. Sternn" <lnkstern@yahoo.com> To: freebsd-i386@freebsd.org Cc: freebsd-fs@freebsd.org Subject: Fw: [303] Details on ZFS tuning on FreeBSD Message-ID: <718713.86541.qm@web110507.mail.gq1.yahoo.com>
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----- Forwarded Message ----
From: Lincoln F. Sternn <lnkstern@yahoo.com>
To: 303 <303@infosyndicate.net>
Cc: jon@kozubik.com
Sent: Mon, August 2, 2010 12:23:37 PM
Subject: [303] Details on ZFS tuning on FreeBSD
All (especially Teabag!),
I am still getting kernel panics while using ZFS on FreeBSD 8.0. I am currently
using the following parmeters on 303jose:
/sys/i386/conf/JOSE:
options KVA_PAGES=512
/boot/loader.conf:
vm.kmem_size="1024M"
vm.kmem_size_max="1024M"
vfs.zfs.arc_max="512M"
vfs.zfs.vdev.cache.size="256M"
vfs.zfs.prefetch_disable=0
Ideally, I would like to dedicate 3 Gigs of memory to dedicated
ZFS use. I am still trying to figure out which parameters I can safely increase
without panic'ing the kernel on boot.
Linc
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