On Mon, 2 Apr 2012, Wayne Johnson wrote: > On Mon, 2 Apr 2012, Mike Miller wrote: > >> Suppose one drive failed in my RAID1 mirrored pair. Can I then simply >> pull the bad drive, replace it with a good one (brand new), and have it >> work? Will it just automagically rebuild the RAID1 by mirroring onto >> the new drive? >> >> This is Ubuntu software RAID1. > > Actually, in my experience, the drive may not have a permement failue. > You can re-activate the drive again, it will resync the failed drive, > and you are running again. If it happens too frequently, replace the > drive. How do I reactivate a drive? That sounds like a great idea. Mike