Date: Wed, 18 Nov 2009 10:43:48 -0600 From: Robert Noland <rnoland@FreeBSD.org> To: Emil Smolenski <ambsd@raisa.eu.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: Boot with ZFS on single disk: "ZFS: i/o error - all block copies unavailable" [was: Re: GPT boot with ZFS RAIDZ "ZFS: i/o error - all block copies unavailable"] Message-ID: <1258562628.2303.83.camel@balrog.2hip.net> In-Reply-To: <op.u3llw0plqvde5b@am-laptop.local.org> References: <op.u3hw9wl0qvde5b@am-laptop.local.org> <1258390784.2303.42.camel@balrog.2hip.net> <op.u3h252qaqvde5b@bolt.zol> <op.u3j6m8w5qvde5b@bolt.zol> <1258497221.2303.66.camel@balrog.2hip.net> <op.u3kdq613qvde5b@bolt.zol> <1258552247.2303.75.camel@balrog.2hip.net> <op.u3llw0plqvde5b@am-laptop.local.org>
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On Wed, 2009-11-18 at 17:11 +0100, Emil Smolenski wrote: > On Wed, 18 Nov 2009 14:50:47 +0100, Robert Noland <rnoland@freebsd.org> > wrote: > > >> >> Should I file a PR? I would > >> >> like to help in debugging it (however my skills in low-level C aren't > >> >> strong enough to do it on my own). > >> > Ok, the first thing I would like to see is "zdb -uuu". > >> # zdb -uuu pgpool > >> Segmentation fault: 11 (core dumped) > > > Ok, this is disturbing... It works fine for me on -CURRENT / amd64 and > > reports the root block pointer, which is what we need to locate the MOS. > > Booting from 8.0-*-amd64-memstick.img (Fixit# console) makes "zdb -uuu" > happy: > > Fixit# zdb -uuu pgpool > Uberblock > > magic = 0000000000bab10c > version = 13 > txg = 443448 > guid_sum = 9780688847620645377 > timestamp = 1258560175 UTC = Wed Nov 18 16:02:55 2009 > rootbp = [L0 DMU objset] 400L/200P DVA[0]=<0:220000de400:200> > DVA[1]=<0:2a80008ee00:200> DVA[2]=<0:330000b9000:200> fletcher4 lzjb LE > contiguous birth=443448 fill=298 > cksum=8a9775385:3935d6d58c7:c028430c00a8:1b58ac4ebf42ac Ok, the offsets are definately up there... What is your normal installation? 8.0 i386? robert. -- Robert Noland <rnoland@FreeBSD.org> FreeBSD
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