Software Raid 5 (FC5)
Les Mikesell
lesmikesell at gmail.com
Sat Apr 1 17:34:45 UTC 2006
On Sat, 2006-04-01 at 10:18, Ian Pilcher wrote:
> As I've learned to my sorrow, no amount of RAID will protect you against
> a misplaced 'rm -rf'.
>
> I would love to have a *real* backup of my music collection.
> Unfortunately, by "real" I mean some sort of relatively stable media
> that can be put in a safe deposit box or something -- i.e. a USB disk
> drive is out.
Why? Ipods are pretty sturdy things and a laptop drive in a usb
case is approximately the same - or a full size drive if you need
over a hundred gigs. The trick is to have more than one and rotate
them so you don't lose the data at the end of their expected
several year life.
> To the extent that I've looked, tape solutions are just
> too damn expensive.
If it isn't too big, a dvd writer might be a solution. My
preference is to have another machine on the network running
backuppc (http://backuppc.sourceforge.net/) so there is always
an on-line copy with at least a week of history in case you
accidentally delete something. Then I periodically raid-mirror
that to an external drive that is rotated offsite.
--
Les Mikesell
lesmikesell at gmail.com
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