Date: Fri, 25 Feb 2000 19:21:37 -0600 From: Gerd Knops <gerti@bitart.com> To: Greg Lehey <grog@lemis.com> Cc: Jon Rust <jpr@vcnet.com>, freebsd-questions@FreeBSD.ORG Subject: Re: Disk Mirroring Message-ID: <20000226012137.25935.qmail@camelot.bitart.com> In-Reply-To: <20000226103604.A19404@freebie.lemis.com> References: <Pine.BSF.3.96.1000225083344.14721A-100000@omnix.net> <v0421012eb4dc5c1efdd2@[209.239.239.22]> <20000225222638.25346.qmail@camelot.bitart.com> <v04210135b4dcb3c99d03@[209.239.239.22]> <20000226103604.A19404@freebie.lemis.com>
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Greg Lehey wrote: > On Friday, 25 February 2000 at 14:59:40 -0800, Jon Rust wrote: > > 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! > > > > 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? > > In this situation you probably need to tell Vinum the name of the new > drive: > > drive b device /dev/da1e > > Otherwise vinum will know that the drive exists, but there's nothing > on the drive to identify it. > Err: That gives me: ============== D d1 State: up Device /dev/wd0f Avail: 2487/2512 MB (99%) D d2 State: up Device /dev/wd2f Avail: 2511/2512 MB (100%) V mirror State: up Plexes: 2 Size: 24 MB P mirror.p0 C State: up Subdisks: 1 Size: 24 MB P mirror.p1 C State: flaky Subdisks: 1 Size: 24 MB S mirror.p0.s0 State: up PO: 0 B Size: 24 MB S mirror.p1.s0 State: reborn PO: 0 B Size: 24 MB ============== (/dev/wd2f being the 'new' drive) 'vinum start mirror.p1' doesn't seem to do anything, nor does 'vinum stop' followed by 'vinum start' (that complains 'Warning: defective objects'). Gerd To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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