On Sun, Nov 27, 2005 at 09:21:45AM -0500, Old Fart wrote: > Craig Hagerman wrote: > >Yeah, this would work with 3 discs, but doesn't answer the general > >question about recovering data from a single LVM drive. In my 2 drive > >system it wouldn't work. Any other ideas? I would assume that if one > >drive failed it should be trivial to be able to access the information > >on the remaining drive. If not, then I would be a lot safer going back > >to a non-LVM system using the two drives as distinct partitions. > Take a look at a 2 disk raid 1 array as a pv. I have seen that array > degrade to 1 drive and the LV was ok. I think his question is not "how do I avoid data loss with multiple disks under LVM?" but more like "I lost a disk and had no redundancy, my LV was spread onto that disk, how do I recover the parts of it that are on the good disk(s)?" However I've personally got no idea since I do everything to avoid ever being in that position and luckily have not been there yet. Certainly I would never consider putting an LV on a disk with no redundancy these days but that's not what the OP is asking. Andy
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