> But then you don't need to care about anything! If DB file is
> placed on external RAID, everything you must to do if server get
> broken, is to connect it to backup one and boot it. Exactly the
> scenario you described.
> I heard that there are external RAIDs able to be connected to two
> computers simultaneously, so it doesn't require even switching of
> cables.
>

Many Storage-area-network (SAN) systems can have two-heads(computers
connected to the same disk)

Even an Adaptec 2940 SCSI card handles another 2940 on the other end,
instead of a terminator...it's weird, I know...just have them as different
SCSI ID's, and they all play along together...

N.