On Sat, Jul 17, 2004 at 07:16:36 -0400, "Christopher K. Johnson" <ckjohnson@xxxxxxx> wrote: > > The missing and (unknown) indication I have seen once, and it was when a > hard drive failed completely. In my case the hard drive had to be > replaced, but some of the scsi controller status was wedged due to the > unresponsive drive. So I was not able to hot-swap the drive as the same > drive name. I ended up having to shutdown, swap drives, and boot back > up, then partition the new drive and bring mirrors in sync. Under Redhat 9 I had a problem with either the controller card driver or software raid. I was losing disks from my raid sets within hours of getting them sync'd back up regularly. smartctl showed the drives as reporting no errors. Once I upgraded to FC2 everything was fine. So there are other possibilities besides hardware problems.
