Date: Thu, 13 Jan 2005 17:41:51 +0200 From: Toomas Aas <toomas.aas@raad.tartu.ee> To: questions@freebsd.org Subject: Re: Replacing both disks in RAID1 Message-ID: <41E696BF.8090704@raad.tartu.ee> In-Reply-To: <41E58EA5.3060903@raad.tartu.ee> References: <41E58EA5.3060903@raad.tartu.ee>
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Toomas Aas wrote: > I have a small server running FreeBSD 4.10, 2 x 80 GB drives mirrored on > Promise TX2 integrated RAID1 controller. I'd like to replace the 80 GB > drives with 200 GB drives. > > Here's my current plan: > > 1. Attach one of the new drives to free ICH4 IDE port on motherboard, > partition it and transfer the data using dump/tar. > > 2. Remove the 80 GB drives, attach 200 GB drives (one with data, one > blank) to TX2 IDE ports and re-create the mirror using Promise onboard > BIOS utility. > > 3. Reboot, fix the fstab (if necessary) and be done with it. > > I have one doubt with it. Currently my partitions are ar0s1a (/), ar0s1b > (swap), ar0s1e (/var) etc. When I create corresponding partitions on the > new drive while it is attached to ICH4 controller, the partitions are > created as ad0s1a, ad0s1b etc. When I then move this drive to TX2 port > and re-create the mirror the partitions should again be ar0s1a, ar0s1b > etc. Will it "just work" or will it not work at all? Another thought - maybe I shouldn't create the new array using the Promise BIOS utility, but instead should bring the server up and use 'atacontrol create RAID1'? What do you think? Which method has a better chance of success? -- Toomas Aas -------------------------------------------------------- |arvutivõrgu peaspetsialist | head specialist on computer networks| |Tartu Linnakantselei | Tartu City Office | ----------------------------------------------------- +372 736 1274
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