Date: Tue, 12 Jul 2011 16:07:57 GMT From: Felix <fantasizer@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/158839: ZFS Bootloader Fails if there is a Dead Disk Message-ID: <201107121607.p6CG7vba043613@red.freebsd.org> Resent-Message-ID: <201107121610.p6CGACx8025683@freefall.freebsd.org>
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>Number: 158839 >Category: kern >Synopsis: ZFS Bootloader Fails if there is a Dead Disk >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jul 12 16:10:12 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Felix >Release: 8.2-RELEASE >Organization: >Environment: FreeBSD nyx.my.domain 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC 2011 root@mason.cse.buffalo.ecu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: When booting with a dead disk using a raidz1 zfs boot, zfs fails to boot with the following message: ZFS: i/o error - all block copies unavailable ZFS: can't read MOS object directory Can't find root filesystem - giving up ZFS: unexpected object set type 0 ZFS: unexpected object set type 0 FreeBSD/i386 boot Default: zroot:/boot/kernel/kernel boot: >How-To-Repeat: Have a dead disk in a zpool and reboot a few times. >Fix: The problem can be temporarily fixed by removing the disk and running zpool import from a boot disk livefs. >Release-Note: >Audit-Trail: >Unformatted:help
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