On Tue, 3 Aug 2010 13:46:58 +0600 Roman Mamedov <roman@xxxxxxxx> wrote: > On Tue, 3 Aug 2010 16:14:56 +1000 > Neil Brown <neilb@xxxxxxx> wrote: > > > > Yes, you can binary copy the drive like that, that's what I usually do. > > > > Of course you need to be sure that the old and new devices are exactly the > > same size. Normally they will but it is worth double checking that the > > number of sectors (blockdev --getsize) is exactly the same. > > Isn't it okay for the new drive to be larger? At least if the RAID0 was > created from partitions, not whole block devices. > And if it was created from devices, there is a way to make the new larger > drive to be of exactly the same size as the old one, by setting a HPA on it > (see hdparm -N). > The thing that you include into the RAID0 must be the same size. If that is a partition, it is easy to make it the same size, but it is also easy to make it a different size - so care must be taken. If it is the whole device ... I wouldn't recommend using HPA - it would probably confused you later. Just create a partition of exactly the right size and use that. NeilBrown -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html