Date: Wed, 18 Nov 2009 17:11:14 +0100 From: "Emil Smolenski" <ambsd@raisa.eu.org> To: "Robert Noland" <rnoland@freebsd.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: <op.u3llw0plqvde5b@am-laptop.local.org> In-Reply-To: <1258552247.2303.75.camel@balrog.2hip.net> 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>
next in thread | previous in thread | raw e-mail | index | archive | help
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
--
am
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?op.u3llw0plqvde5b>