Date: Fri, 02 Sep 2011 17:01:56 +0200 From: Henri Hennebert <hlh@restart.be> To: freebsd-current@freebsd.org Subject: Re: ZFS: i/o error - all block copies unavailable after upgrading to r225312 Message-ID: <4E60EFE4.7070403@restart.be> In-Reply-To: <20110901223646.14b8aae8@o2.pl> References: <20110901223646.14b8aae8@o2.pl>
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On 09/01/2011 22:36, Sebastian Chmielewski wrote: > > hi, > I'm running FreeBSD-CURRENT r224522M installed on ZFS Root and GPT > partitions and this setup is running fine. Today I've updated to r225312 and > after rebooting I've got following error message from boot loader: > > ZFS: i/o error - all block copies unavailable I encounter the same problem. I reboot with mfsBSD and run zpool scrub without error. I reboot and get the same error - the error msg repeating 4 or 5 times. I reboot with mfsBSD and I then do: mkdir /rpool zpool import -R /rpool rpool mount -t zfs rpool/root /mnt cd /mnt/boot mv kernel kernel-error mkdir kernel cp kernel-error/* kernel When I reboot all run smoothly :-o strange indeed... Henri > > Then I did "zfs rollback" using rescue disk to previous revision and I was able to > boot. > Steps I did to update system: > > zfs snapshot > make buildworld > make buildkernel > make installkernel > reboot > can't boot > zfs rollback using rescue disk > boot to previous revision (r224522M). > > Are there any more steps required for this procedure to work? > My previous updates from source on the same setup where successfull, this is > the first time I've encountered this error message when upgrading from source. > > My setup: > gpart show > => 34 250069613 ada0 GPT (119G) > 34 128 1 freebsd-boot (64k) > 162 1886 5 bios-boot (943k) > 2048 16777216 2 !0fc63daf-8483-4772-8e79-3d69d8477de4 (8.0G) > 16779264 33554432 3 freebsd-ufs (16G) > 50333696 199735951 4 freebsd-zfs (95G) > > Partitions 3 and 4 are separate zfs pools (3 is geli encrypted and 4 is for > operating system). > > zfs list > NAME USED AVAIL REFER MOUNTPOINT > home 10,4G 5,24G 10,4G /home > zroot 90,2G 3,27G 1,16G legacy > > /etc/fstab > # Device Mountpoint FStype Options Dump Pass# > zroot / zfs rw,noatime 0 0 > /dev/acd0 /cdrom cd9660 ro,noauto 0 0 > proc /proc procfs rw 0 0 > > best regards,
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