[Ardour-Users] Archive media
ralf.mardorf at alice-dsl.net
Wed Oct 5 09:52:07 PDT 2011
On Wed, 2011-10-05 at 18:45 +0200, Ralf Mardorf wrote:
> 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
> There's nothing to add, it is, resp. seems to be, brutal truth ... 90°C
> might be the correct value or not, anyway, the most unsafe way to backup
> data is an optical media. There's no better guarantee to loose data. If
> magnetic saved date should fail, well, this would be much more bad luck.
> Hm, you might watch my DAT drives "eating" the DAT tapes?!
> DVD-RAM and HDD IMO are the most safe opinions :(.
PS: As Arnold mentioned, the other issue is, that you might be unable to
set up a machine, that is able to interpreted an outdated code, even if
all your backups are ok, you need to be able to read them!
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