On Sun, Aug 27, 2006 at 01:20:26PM +0800, Jim Morgan wrote: > At 27/08/2006 12:42, you wrote: > >So how would you accomplish the task of replacing sda and sdb with > >larger disks in the least amount of effort? Downtime is not a > >problem, taking backups of the data is not a problem, booting off a > >live cd is not a problem; the goal is to find the least > >labour-intensive way to do this. > > As I understand it -- and as I've proved before in this list, my > understanding is fundamentally flawed :-) -- there is a way to do this. > > Basically you have to force one disk to fail using the raid > administration software. You then remove the disk, replace it with > the bigger disk, and rebuild it from the first one. The partition > sizes may need adjusting. Then you force the other disk to fail, and > replace it with the larger one, and then rebuild it from the other large > disk. Well I would then be left with two large disks where sd[ab]5 (and the sd[ab]4 primary partition that sd[ab]5 is the only logical partition within) does not extend all the way to the end of the disk. I wasn't aware that you could resize RAID-1 md arrays though, I thought it was restricted to RAID-5. Is this not the case? Cheers, Andy
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