Date: Fri, 24 Aug 2012 07:32:47 -0400 From: Roger Hammerstein <cheeky.m@live.com> To: <avg@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: RE: panic while zfs scrubbing Message-ID: <BAY170-W113E066C98F3BDE1956A4F3F9BD0@phx.gbl> In-Reply-To: <50365D73.9020508@FreeBSD.org> References: <BAY170-W8668C02B4DAF69B54EE657F9B80@phx.gbl>, <5034DA84.8050507@FreeBSD.org>, <BAY170-W1147AC6AE266A62ED84BE53F9BF0@phx.gbl>, <5035E335.4010103@FreeBSD.org>, <BAY170-W832AA29E3709452869828FF9BE0@phx.gbl>, <50363F14.5080703@FreeBSD.org>, <BAY170-W158315FA01FBCCE7E44877F9BE0@phx.gbl>, <50365134.9080702@FreeBSD.org>, <BAY170-W3107E8102150CA9381F21CF9BE0@phx.gbl>, <50365D73.9020508@FreeBSD.org>
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> Thank you for this data. > Please see if the following patch may help you. >=20 > --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c > +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c > @@ -801=2C7 +801=2C7 @@ dsl_scan_visitbp(blkptr_t *bp=2C const zbookmark_= t *zb=2C > if (dsl_scan_check_resume(scn=2C dnp=2C zb)) > return=3B >=20 > - if (bp->blk_birth =3D=3D 0) > + if (bp->blk_birth =3D=3D 0 || BP_GET_TYPE(bp) =3D=3D DMU_OT_NONE) > return=3B >=20 > scn->scn_visited_this_txg++=3B it worked to get through an entire scrub. zpool status -v zzzz pool: zzzz state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action: Restore the file in question if possible. Otherwise restore the entire pool from backup. see: http://illumos.org/msg/ZFS-8000-8A scan: scrub repaired 135K in 3h46m with 4 errors on Thu Aug 23 17:14:50 2= 012 config: NAME STATE READ WRITE CKSUM zzzz ONLINE 0 0 4 raidz2-0 ONLINE 0 0 8 ada3 ONLINE 0 0 0 ada7 ONLINE 0 0 4 ada6 ONLINE 0 0 0 ada9 ONLINE 0 0 0 ada4 ONLINE 0 0 0 ada2 ONLINE 0 0 2 ada5 ONLINE 0 0 0 errors: Permanent errors have been detected in the following files: <snip> I started a second scrub. =
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