Date: Fri, 25 Apr 2014 20:26:52 -0500 From: "Matthew D. Fuller" <fullermd@over-yonder.net> To: Andriy Gapon <avg@FreeBSD.org> Cc: "Justin T. Gibbs" <gibbs@FreeBSD.org>, freebsd-current@FreeBSD.org, Steven Hartland <killing@multiplay.co.uk> Subject: Re: ZFS secondarycache on SSD problem on r255173 Message-ID: <20140426012652.GA62784@over-yonder.net> In-Reply-To: <53144891.9050001@FreeBSD.org> References: <7059AA6DCC0D46B8B1D33FC883C31643@multiplay.co.uk> <20131017061248.GA15980@hell.ukr.net> <326B470C65A04BC4BC83E118185B935F@multiplay.co.uk> <20131017073925.GA34958@hell.ukr.net> <2AFE1CBD9B124E3AB9E05A4E483CCE03@multiplay.co.uk> <20131018080148.GA75226@hell.ukr.net> <256B2E5A0BA44DCBB45BB3F3E820E190@multiplay.co.uk> <20131018144524.GA30018@hell.ukr.net> <4459A6FAB7B8445C97CCB9EFF34FD4F0@multiplay.co.uk> <53144891.9050001@FreeBSD.org>
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On Mon, Mar 03, 2014 at 11:17:05AM +0200 I heard the voice of Andriy Gapon, and lo! it spake thus: > > I noticed that on some of our systems we were getting a clearly > abnormal number of l2arc checksum errors accounted in l2_cksum_bad. > [...] > I propose the following patch which has been tested and seems to fix > the problem without introducing any side effects: I've been running this for >2 weeks now without any cksum_bad's showing up (long enough that without it, I'd have expected them), and no other obvious side effects. FreeBSD 11.0-CURRENT #0 r264306M So if there are votes, I vote for making it work without that 'M' :) -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Systems/Network Administrator | http://www.over-yonder.net/~fullermd/ On the Internet, nobody can hear you scream.
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