Re: Archive strategy

On Sep 4, 8:49 am, tadamsmar <tadams...@xxxxxxxxx> wrote:
On Sep 3, 9:55 pm, David J Dachtera <djesys...@xxxxxxxxxxxxxxxx>
wrote:





tadamsmar wrote:

I ask about putting a DVD on an Alphaserver DS10 runing 7.2-1.

Never did get a clear answer on that.  I am not sure anyone can point
me to the software and hardware I need to get, at least not explicitly
like a recipe in a cookbook.

Well, no, no "cookbook". However, to summarize, and see Eberhard's post
in the other thread:

Most any SCSI DVD burner MIGHT do - it's difficult to be certain without
polling others for their experience. V7.2-1 lacks the necessary IDE
support, so it's gotta be SCSI.

Eberhard says that DVDRECORD covers everything from CD-R through DVD/RW..
It might still be freeware. Check wih him - see the other thread for his
address.

But, now I am thinking about some sort of removable disk solution.  An
external SCSI enclosure that can hold at least 2 removal disks.  Got
any suggestions on that?

An outfit called Castlewood once had a circa. 2GB removeable cartridge
hard disk ("orb drive"), but I believe they've gone belly up. Iomega may
have moved on past the Jaz drives and such. Dunno - haven't looked at
that for some time now.

I figure removable disks are easier to recheck periodically since they
should have a higher capacity than a DVD.

...and should have a longer shelf life. That said, hot-swappable might
be a good substitute for removeable.

That's your call, of course.

FWIW...

D.J.D.

Thanks.

I think people often screw up archive systems.   There seem to be two
basic requirements:

1.  Data in at least two locations for disaster recovery.

2.  The ability to periodically reconfirm that the data is sound.  And
you don't want this reconfirmation to be labor intensive.

Yet the knee-jerk reaction is that you should put the data on
"permanent" media and store it away somewhere.  Often, such solutions
are less effective than just storing it on disks and making regular
tape backups stored offsite.  In other words, the non-archive is
better than the archive at meeting the requirements of an archive.

That's the impression I get from analyzing our past archival systems,
looking at how the "unarchived" data is managed now, and looking at
the consequences of using DVDs for archiving.- Hide quoted text -

- Show quoted text -

Well, I proposed to my management that we simply institute a periodic
(monthly) tape backup of the archive. Turns out the archive was
always on hard disk as well as on the defunct optical media.

They accepted that idea. No need for a DVD or removable disk.

The assumption is that the act of backing up the disk confirms that
the disk is good.

Any comments to improve this plan?

We only have a dozen gigs or so to worry about.
.

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