Date: Thu, 12 Dec 2013 16:41:21 +0200 From: Volodymyr Kostyrko <c.kworr@gmail.com> To: "Eugene M. Zheganin" <emz@norma.perm.ru>, "freebsd-stable@freebsd.org Stable" <freebsd-stable@freebsd.org> Subject: Re: zfs i/o error - all block copies unavailable Message-ID: <52A9CB11.9040201@gmail.com> In-Reply-To: <52A8C5AF.1000800@norma.perm.ru> References: <52A8C5AF.1000800@norma.perm.ru>
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11.12.2013 22:06, Eugene M. Zheganin написав(ла): > Hi. > > I have a server, it was running 8.2-STABLE/i386 with zfs v28. All of a > sudden, on last reboot I got a big bunch of "zfs i/o error - all block > copies unavailable" messages and server was unable to boot. I decided > that one disk is dying, detached it, and booted successfully. On a next > boot I got this again. I booted from CD, replaced a zpool.cache, and > booted successfully once again. On next reboot I got it again, and was > unable to fix it. However (as you may already know) disks were fine, and > all the data wasn't corrupted. Iread a couple of mailing list posts > about this mentioning that this could be an i386 issue, and decided to > deal with in a radical way: I've installed 10.0-BETA1/amd64 (booted from > a LiveCD, mounted an NFS share with /usr/src and obj, and did the > upgrade). Now everything is almost fine, except that I still get this > message, but only once and it seems to be harmless, as the server can > still be booted (I experimented and tried this like a dozen times). > > So, questions: > > - is it really harmless ? Probably not. > - can I run with this ? Probably yes. > - is there any way to get rid of it ? (probably, without recreating a > pool, because it holds several TBytes of user data) Had you updated bootcode after switching to 10.0? Did you issued scrub for your pool at least once? -- Sphinx of black quartz, judge my vow.
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