Date: Fri, 25 Feb 2000 14:59:40 -0800 From: Jon Rust <jpr@vcnet.com> To: gerti@BITart.com Cc: freebsd-questions@freebsd.org Subject: Re: Disk Mirroring Message-ID: <v04210135b4dcb3c99d03@[209.239.239.22]> In-Reply-To: <20000225222638.25346.qmail@camelot.bitart.com> References: <Pine.BSF.3.96.1000225083344.14721A-100000@omnix.net> <v0421012eb4dc5c1efdd2@[209.239.239.22]> <20000225222638.25346.qmail@camelot.bitart.com>
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At 4:26 PM -0600 2/25/00, Gerd Knops wrote: >Well, did you ever try to recover a vinum mirror setup after one of two IDE >disks died and you replaced it with a new one? It just doesn't work! > >Gerd I did this as a test when I first brought up my Vinum raids. I'll see if I can remember the steps: 1) Drive fails (I unplugged the drive's power in my tests) 2) Shutdown 3) Plug new drive in (in same logical location, ie IDE master/slave, SCSI ID, etc). Make sure it's big enough! 4) Boot up 5) fdisk new drive (I use /stand/sysintall for this, and inital label) 6) (re)label new drive slice as Vinum (disklabel -e da?) 7) start vinum and issue "start mirror.p1" (for example, if a drive on plex p1 in volume mirror had failed) Step 7 is the part my memory is fuzzy on, but without looking up my notes on it, I beleive this is correct. Mr. Lehey, do you have anything to add? Voila. As a bonus, the entire Vinum volume is accessable during rebuild. Same procedure for a RAID-10 failure as well. Not sure of the RAID-5 recovery procedure, though. I'd say it was the same, but never ASSume anything because it makes an ASS of U and ME. :-> hth, Jon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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