[linux-lvm] Software RAID 5 Resizing and LVM

David Greaves david at dgreaves.com
Thu Nov 18 18:20:25 UTC 2004

Oh yes :)

It now has an 'add new disk to raid5 array and rebuild parity whilst 
keeping your data' feature :)
It has to be done 'offline'.

I'm actually just installing it at the moment.




Scott Serr wrote:

> I have lvm2 on RAID5.  With scratch disks you can do pvmoves to move 
> extents off the RAID stripe onto a scratch disk.  Then redo the raid 
> stripe wider (more disks).  Then move the extents back.  If you're 
> (clever) adding a disk and it's partitioned up a little you can use 
> some of the partitions as "scratch" while bringing other partitions 
> into the raid.
> Does EVMS have something more elegant?  That would be nice.
> -Scott

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