Date: Mon, 16 Dec 2013 13:48:20 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Ion-Mihai Tetcu <itetcu@FreeBSD.org>, freebsd-fs@FreeBSD.org Subject: Re: GTP ZFS boot failed after upgrading to 9.2-STABLE (can't read MOS) Message-ID: <52AEE884.5000307@FreeBSD.org> In-Reply-To: <20131216113818.b108196769e1fd1dd3b7e67d@FreeBSD.org> References: <20131216113818.b108196769e1fd1dd3b7e67d@FreeBSD.org>
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on 16/12/2013 11:38 Ion-Mihai Tetcu said the following: > Hi, > > > After upgrading to > 9.2-STABLE #8 r259396: Sun Dec 15 01:20:44 EET 2013 GENERIC amd64 > the system in question didn't come up: > ZFS: i/o error - all block copies unavailable > ZFS: can't read MOS of pool zroot > gptszfsboot: failed to mount default pool zroot > > GPTZFSBoot setup like in the wiki, except I didn't bothered with gnop. Could you please build zfsboottest utility in tools/tools/zfsboottest and then run it like this? zfsboottest /dev/gpt/z_ES3_2T /dev/gpt/z_wd2T - /boot/zfsloader Thanks! > At the time of the upgrade the boot disk was ada0. > Luckly I can boot without problems from any of the other 2 disks. > > Pool history: > 1. started as a mirror over partitions on a 500GB HDD and a 1TB HDD > (still present in the system - ada1 bellow, can boot from it) > 2. the 500GB was replaced by ada0, the system was able to boot from the > new disk; the pool extended via zfs online -e > 3. ada1 (1TB) was replaced by ada2, the pool not extended yet > --- At this point I could boot from any of the disks. > 4. zfs scrub the mirror without any error > 5. upgrade > (svn up, buildworld, buildkernel, installkernel, mergemaster -p, > installworld, mergemaster -iU, delete-old-libs, update ports .ko > modules, reboot) > 6. The error above. > 7. Boot from ada2, gpart bootcode ... ada0, still the same error. > > I have snapshots of the pool from before the upgrade, so I could try to > rollback and see if it makes any difference. (The machine is in > production so I can't do it on the spot). > > # zpool list -v > NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT > zroot 896G 608G 288G 67% 1.00x ONLINE - > mirror 896G 608G 288G 901G > gpt/z_ES3_2T - - - - > gpt/z_wd2T - - - - > > > # gpart show -l -p > => 34 3907029101 ada0 GPT (1.8T) > 34 6 - free - (3.0k) > 40 216 ada0p1 boot_wd2T (108k) > 256 67108864 ada0p2 swap_wd2T (32G) > 67109120 3774873600 ada0p3 z_wd2T (1.8T) > 3841982720 65046415 - free - (31G) > > => 34 1953525101 ada1 GPT (931G) > 34 6 - free - (3.0k) > 40 216 ada1p1 boot1 (108k) > 256 67108864 ada1p2 swap1 (32G) > 67109120 1885339648 ada1p3 disk1 (899G) > 1952448768 1076367 - free - (525M) > > => 34 3907029101 ada2 GPT (1.8T) > 34 216 ada2p1 boot_ES3_2T (108k) > 250 67108864 ada2p2 swap_ES3_2T (32G) > 67109114 3837788160 ada2p3 z_ES3_2T (1.8T) > 3904897274 2131861 - free - (1.0G) > > > # zfs list -t snapshot | wc -l > 16025 > > /dev/ada0: > Device Model: WDC WD2000F9YZ-09N20L0 > Serial Number: WD-WCC1P0590651 > LU WWN Device Id: 5 0014ee 25e1b7330 > Firmware Version: 01.01A01 > User Capacity: 2,000,398,934,016 bytes [2.00 TB] > Sector Sizes: 512 bytes logical, 4096 bytes physical > /dev/ada1: > Model Family: Western Digital RE4 > Device Model: WDC WD1003FBYX-01Y7B1 > Serial Number: WD-WCAW35154447 > LU WWN Device Id: 5 0014ee 2b2a4da9a > Firmware Version: 01.01V02 > User Capacity: 1,000,204,886,016 bytes [1.00 TB] > /dev/ada2: > Model Family: Seagate Constellation ES.3 > Device Model: ST2000NM0033-9ZM175 > Serial Number: Z1X0W9SP > LU WWN Device Id: 5 000c50 064bc4572 > Firmware Version: SN03 > User Capacity: 2,000,398,934,016 bytes [2.00 TB] > > > Similar to this, it seems: > From: Łukasz Wąsikowski <lukasz@wasikowski.net> > To: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org > Subject: ZFS: can't read MOS of pool > Date: Mon, 22 Jul 2013 18:18:49 +0200 > > > Any help is greatly appreciated. > -- Andriy Gapon
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