Date: Wed, 22 Jan 2014 15:11:04 +0100 From: "Ronald Klop" <ronald-lists@klop.ws> To: freebsd-fs@freebsd.org Subject: Re: hast and zfs Message-ID: <op.w93dorv8kndu52@212-182-167-131.ip.telfort.nl> In-Reply-To: <CAFfb-hq4R-f7yNCbAGS9X8wW4FcYY8%2B_jyxsqRsPxcnkYtEA7g@mail.gmail.com> References: <CAFfb-hq4R-f7yNCbAGS9X8wW4FcYY8%2B_jyxsqRsPxcnkYtEA7g@mail.gmail.com>
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On Tue, 21 Jan 2014 15:46:09 +0100, Joar Jegleim <joar.jegleim@gmail.com> wrote: > Hi list ! > > I've setup hast with zfs on 9.1-RELEASE-p10 > I've got an lsi hba connected to an external sas hp msa that has 20 > disks in it, same setup on both nodes. > I've created a hast disk dev such as /dev/hast/disk1a, > /dev/hast/disk1b etc... ( see attached hast.conf ) > And built a zpool mirror accross the 20 disks. > > While setting up this, and testing, all looked pretty good, I've tried > numerous failovers and so on. > When I just switched over to this setup in production, it worked for > about half an hour until the primary node got a zfs hang where zpool > list hung and hastctl status hung completely . > > There was no output in dmesg nor /var/log/messages that said anything > related to this (?) . > > The server serves some 3 000 000 jpegs for a site, I see anything from > 50 to just above 1000 iops, though the average iops is bellow 100. > It's completely random what pictures are being fetched at any time. > > Could there be some sysctls to tune related to this setup mabye ? > Anybody using hast and zfs in production got any tip ? > > > You did not get any reply yet. I'm not of any help either, but is there a reason you don't use a newer FreeBSD version? (9.1 is from December 2012.) It can be useful to read through the commits about hast which happened in the meantime. Ronald.
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