Date: Fri, 22 Jan 2016 11:25:16 -0500 From: Mason Loring Bliss <mason@blisses.org> To: Priyadarshan <bsd@bontempi.net> Cc: freebsd-questions@freebsd.org Subject: Re: ZFS performance help sought Message-ID: <20160122162516.GR4538@blisses.org> In-Reply-To: <1453455663.2364898.499431058.4EA85780@webmail.messagingengine.com> References: <1453455663.2364898.499431058.4EA85780@webmail.messagingengine.com>
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On Fri, Jan 22, 2016 at 09:41:03AM +0000, Priyadarshan wrote: > Interestingly, we have moved one of our machines in the opposite > direction, from Linux 4.2/ZoL 0.6.5.4 to FreeBSD 10.2, because a 12 TB > pool under Linux/ZoL was consistently reporting errors every few weeks. The only reporting of errors I noted was when I was trying a persistent broken mirror for back-ups - I'd peel off a pool vdev and send it offsite, with the newly-onsite vdev being put back online. While ZFS was able to deal with this for a short time - maybe a day - it started spewing checksum errors if the vdev was brought back after a week, which is my normal rotation. This, however, was an issue with OpenZFS itself, and the problem was identical regardless of whether I was doing it under Linux or FreeBSD. I've since given up on the idea and I'm shipping self-contained pools offsite instead of pool elements. -- The creatures outside looked from pig to man, and from man to pig, and from pig to man again; but already it was impossible to say which was which. - G. Orwell
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