On 6 March 2012, at 17:25, Neil Bothwick wrote: > On Tue, 6 Mar 2012 16:32:56 +0000, Stroller wrote: > >>> … I initially want to replace the 3x1TBs with a single 3TB drive but >>> i've never removed/replaced a drive in an LVM setup before. I think I >>> understand how it is done, using pvmove … >> >> Or you could just format and mount the new drive and use `cp`. > > Thereby instantly removing the benefits of LVM and making it almost > impossible to extend the space by adding another drive when needed.
Uh, why not create a new volume group with the new disk? OP says he wants to *replace* the old disks. Admittedly, I don't like the RAID0 nature of LVM, so my question probably did reflect that cynicism. > To the OP, pvmove is perfectly safe as it does a copy;verify;delete on > one small block of extents at a time. Yeah, I actually have quite a bit of confidence that migrating entirely in LVM would work just fine, but my qualifications in this area are quite minimal. I am glad, however, to have generated some responses to OP's question, which had been languishing for c 8 hours without replies when I commented. Stroller.
