On Wed, 2007-06-27 at 11:01 -0400, Kevin J. Cummings wrote: > Stuart Murray-Smith wrote: [snip] > > RAID-1/3/5/6 all allow your data to run in degraded mode upon a single > disk failure (and a double disk failure for RAID-6). Most hardware-RAID > systems will allow you to swap out the failed disk for a replacement > without taking your array of disks offline. Software-RAID doesn't > usually allow this, though I suppose if you implemented an array of USB > keys, you might be able to do this using software-raid since USB keys > are already hot-pluggable. Actually if you're using hot-swap SCSI or SATA, the kernel will support hot-replacement. You'll just need manually remove the old driver from the array and add the new one. - Gilboa
