[Ardour-Users] Archive media

[Arnold Krille]

On Wednesday 05 October 2011 16:56:09 Brett McCoy wrote:
> On Wed, Oct 5, 2011 at 10:52 AM, Ralf Mardorf
> 
> <ralf.mardorf at alice-dsl.net> wrote:
> > On Wed, 2011-10-05 at 16:40 +0200, Nando wrote:
> >> I have a NAS ( http://en.wikipedia.org/wiki/Network-attached_storage )
> >> built on a cheap atom board with 3 disk raid5
> >> ( http://en.wikipedia.org/wiki/RAID ). I use it to store everything
> >> there, but it could be used only for backup, remaining off the rest of
> >> the time.

Good luck when the second disk fails during recovery of the first failed disk. 
And yes, that _will_ happen when all three are the same kind. I _know_ from 
experience (and from simple statistics).

> >> Raid5 allows for any one of the disks in the array to fail without
> >> data loss. The disk has to be replaced then in order to maintain the
> >> security of the array, should any other disk be failing. <- was this
> >> correct in english? :p
> >> It doesn't give you fire-proof security as the other solutions, but I
> >> find it confortambe to manage.
> > :D raid on a DAW?! Btw. are the safes also flooding proved?
> I keep my fireproof safe on the second story of my house... if we get
> a flood that high I will have more serious problems worry about than
> my backups :-)

What good is a fireproof save???
True, the disk will not burn. But then again it only needs 90° for the disk to 
loose it magnetism.

The only true backup is a disk or tape that is stored elsewhere.
And the only good archive is a bunch of disks or tapes stored elsewhere 
together with a drive to read the media and a computer to interpret the media.

Have fun,

Arnold
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