> > Software RAID works on any matched pair of HDs, internal, external,
> > whatever you have. Mirroring is mirroring, so this means if you screw
> > up the software so that it won't boot, the "mirror" will also be
> > screwed up.
>
> This should not be an issue, as the only thing on the mirrors will be
> the iTunes music folder (assuming iTunes still let's one choose the
> location.) The OS and apps will still be on the Mini's internal
> drive, and if it gets hosed, it is easily restored from the original
> disks.
>
> >Apple's official solution to backup is Time Machine, which
> > has the advantage of "going backwards in time" to get to a state that
> > was known good. Theoretically this makes a Time Machine backup more
> > robust and preferable to a mirror RAID backup. Time Machine requires
> > Leopard.
>
> Thank you for the information. I will want to come up with some
> removable back up strategy as well, but Time Machine isn't it. I'm
> considering BDR. The blanks are down to about $1 each now. DVDR is
> still cheaper in $/GB, but one needs about six times as many disks.
> Sigh. I *liked* DAT, but the capacity is just too small now and the
> newer higher capacity stuff is too expensive still.
>
Just to add to what Kris and Dan has said a mirror RAID only backs up a
hardware failure. I learned the hard way back in the days of OS 8 & 9 that if
your HDD directory gets hosed you got big problems with both drives.
Fortunately
I had a current third backup and just lost more time than data. Still a big PIA.
Perhaps rather than a BDR, just add another external HDD you could attach
only
when you need to back up your iTunes folder. Then you could use SuperDuper! or
CCC to do incremental backups --very fast.
This what I do but I have a relatively small iTunes folder --glen
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