Date: Sat, 30 Nov 2002 08:39:44 +0000 From: Adam Laurie <adam@algroup.co.uk> To: "Greg 'groggy' Lehey" <grog@FreeBSD.org> Cc: questions@FreeBSD.org, Adam Laurie <adam@algroup.co.uk> Subject: Re: vinum documentation Message-ID: <3DE87950.6000201@algroup.co.uk> References: <3DE244ED.8000903@algroup.co.uk> <20021125224557.GJ41068@wantadilla.lemis.com> <3DE353C7.5080704@algroup.co.uk> <20021126232050.GB21404@wantadilla.lemis.com> <3DE5EAA0.4030009@algroup.co.uk> <20021129020137.GC8307@wantadilla.lemis.com> <3DE74326.7080302@algroup.co.uk> <20021130005821.GD17834@wantadilla.lemis.com>
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Greg 'groggy' Lehey wrote: >> >>describe the procedure for unplugging the external chassis from >>machine A, and plugging it into machine B, and bringing up the vinum >>RAID without re-initialising it (i.e. preserving the data already on >>it). > > > 1. On machine A, stop Vinum. Depending on the hardware, you may need > to shut down. > 2. Remove the chassis from machine A. > 3. Connect the chassis to machine B. Depending on the hardware, you > may need to shut down. > 4. If you haven't rebooted machine B, run camcontrol rescan on the > SCSI bus to discover the new disks. > 5. Run 'vinum start'. are you saying that at this point vinum will scan all disk busses and decide for itself that the raid exists, and reconstruct /dev/vinum? i know you've said in a previous post that /dev/vinum "isn't important", but since it contains mount points etc, i assume it's reasonably vital... anyway, our experience when we complete the steps above was that /dev/vinum/raid1 etc. didn't exist, so we couldn't mount the volume, which is why we went on to perform the other steps i described. cheers, Adam -- Adam Laurie Tel: +44 (20) 8742 0755 A.L. Digital Ltd. Fax: +44 (20) 8742 5995 The Stores http://www.thebunker.net 2 Bath Road http://www.aldigital.co.uk London W4 1LT mailto:adam@algroup.co.uk UNITED KINGDOM PGP key on keyservers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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