On Wed, 26 Nov 2003, Brian Fahrlander wrote: > On Wed, 2003-11-26 at 00:11, Scott Burns wrote: > > Eric J. Feldhusen wrote: > > You might want to give this a try if you have a spare machine available. > > Fedora + software raid to make a 5 odd partition RAID5 set and then > > kill one partition. Midway through the rebuild with a hot spare, kill > > another partition. I'm certain that if RAID5 loses two of it's disks at > > the same time, it's gone. > > I once asked a woman that worked at Veritas in tech support. She > said that on all these RAID arrays, loss of a second disk is _ALWAYS_ > fatal. I was stunned. > > I mean, a 30 drive array...and if the second drive goes out, the > entire thing is toast? > > There gets to be a point where this is a problem. In 1-5 disk > arrays, what are the chances of a second drive going out? Right: almost > nil. > > But when you have 50 drives in a special bay, the chances of a > second drive going out while you locate a vendor, find out it's been > obsoleted since it was installed, order a new part.... Hot spares are your friend. Of course there are other alternatives. ...................Tom