Date: Tue, 27 Jun 2006 15:17:33 +0200 From: "Morten A. Middelthon" <morten@freenix.no> To: stable@freebsd.org Subject: Re: Problem with filesystem on RAID5 array (fsck -b?) Message-ID: <20060627131733.GA78345@freenix.no> In-Reply-To: <20060627125423.GB72178@freenix.no> References: <20060627124937.GA72178@freenix.no> <20060627125423.GB72178@freenix.no>
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--YiEDa0DAkWCtVeE4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 27, 2006 at 02:54:23PM +0200, Morten A. Middelthon wrote: > On Tue, Jun 27, 2006 at 02:49:37PM +0200, Morten A. Middelthon wrote: > > Hi list, > >=20 > > I'm running FreeBSD 6.1-RELEASE-p2 on a Dell PowerEdge 1850 with an att= ached > > Dell PowerVault 220S disk cabinet. The cabinet has two RAID5 arrays eac= h with > > 6 x 300GB SCSI disks. The RAID controller is a Dell PERC4/DC using the = amr > > driver. Two days ago a disk failed in one of the arrays. Rebuilding the= array > > after replacing the broken disk did not work as it should, so after dis= cussing > > our options with Dell support they recommended I should delete the arra= y on > > the controller BIOS, then create a new identical array without initiali= zing > > it. According to their theory the data should be intact. Unfortunately,= that > > doesn't seem to be the case. When FreeBSD boots I get an "UNEXPECTED > > INCONSISTENCY" error message when the filesystem is mounted, and then I= have > > to run fsck manually. When running fsck I get this message: > <snip> >=20 > I just noticed another thing. The two arrays should be identical in size, > although they are not: >=20 > amr0: delete logical drives supported by controller > amrd0: <LSILogic MegaRAID logical drive> on amr0 > amrd0: 1430505MB (2929674240 sectors) RAID 5 (optimal) > amrd1: <LSILogic MegaRAID logical drive> on amr0 > amrd1: 1430400MB (2929459200 sectors) RAID 5 (optimal) > amr1: delete logical drives supported by controller >=20 > Is it perhaps possible to change the partition info to match the old > functioning array? Here is the dmesg output before I re-created the array: amr0: delete logical drives supported by controller amrd0: <LSILogic MegaRAID logical drive> on amr0 amrd0: 1430505MB (2929674240 sectors) RAID 5 (optimal) amrd1: <LSILogic MegaRAID logical drive> on amr0 amrd1: 1430505MB (2929674240 sectors) RAID 5 (degraded) amr1: delete logical drives supported by controller as you can see, the volumes are identical --=20 Morten A. Middelthon Elveys burroo muney frum a pesseemist; he-a duesn't ixpect tu be-a peeed beck. This .sig has been encheferized - http://flipp.net/bork/ --YiEDa0DAkWCtVeE4 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEoS/svsz2LoKf32oRAmG4AJwJ7tZPe+WrsDglmp3C1AZOvfquYACeODsg PcQ6Y3ihfjctfHEWAscvsdI= =NjGd -----END PGP SIGNATURE----- --YiEDa0DAkWCtVeE4--
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