[Ardour-Users] Archive media

[Ralf Mardorf]

On Wed, 2011-10-05 at 17:51 +0200, Arnold Krille wrote:
> 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

I'm able to write about most of the most worse scenarios, but I suspect
everybody does know. So in real live, we shouldn't backup to optical
media, but at least to magnetical media. Broken English :(.