Date: Thu, 15 Oct 2009 21:37:32 +0200 From: =?ISO-8859-2?Q?Radek_Val=E1=B9ek?= <valin@buchlovice.org> To: Robert Noland <rnoland@FreeBSD.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: GPT boot with ZFS RAIDZ "ZFS: i/o error - all block copies unavailable" Message-ID: <4AD779FC.1070204@buchlovice.org> In-Reply-To: <1255633430.2175.12.camel@balrog.2hip.net> References: <4AD710D6.70404@buchlovice.org> <1255633430.2175.12.camel@balrog.2hip.net>
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Robert Noland napsal(a): > On Thu, 2009-10-15 at 14:08 +0200, Radek Valášek wrote: > >> Hi, >> >> I want to ask if there is something new in adding support to >> gptzfsboot/zfsboot for reading gang-blocks? >> > > Ok, I can't figure out any way to test this... beyond the fact that it > builds and doesn't break my currently working setup. Can you give this > a try? It should still report if it finds gang blocks, but hopefully > now will read them as well. > > robert. > > Big thanks for the patches Robert, I will definitely test them as soon as possible (tomorrow) and report the results immediately to list. I can repeat this issue probably at any time (up to cca 30 times tested with the same result), so don't bother about the broken booting, I'm prepared for it... vaLin >> From Sun's docs: >> >> Gang blocks >> >> When there is not enough contiguous space to write a complete block, the ZIO >> pipeline will break the I/O up into smaller 'gang blocks' which can later be >> assembled transparently to appear as complete blocks. >> >> Everything works fine for me, until I rewrite kernel/world after system >> upgrade to latest one (releng_8). After this am I no longer able to boot >> from zfs raidz1 pool with following messages: >> >> >/ ZFS: i/o error - all block copies unavailable >> />/ ZFS: can't read MOS >> />/ ZFS: unexpected object set type lld >> />/ ZFS: unexpected object set type lld >> />/ >> />/ FreeBSD/i386 boot >> />/ Default: z:/boot/kernel/kernel >> />/ boot: >> />/ ZFS: unexpected object set type lld >> />/ >> />/ FreeBSD/i386 boot >> />/ Default: tank:/boot/kernel/kernel >> />/ boot: >> // >> /I presume it's the same issue as talked in june-2009 current mailing >> list >> http://lists.freebsd.org/pipermail/freebsd-current/2009-June/008589.html >> >> Any success in that matter? >> >> Thnx for answer. >> >> vaLin >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >>
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