CD is a good medium to archive on, but remember too that it's far from
permanent. Scratches, changes in humidity and temperature, and natural
defect growth can all effect the stability of CD-Rs...I think they're rated
only for 20 yrs...not that it would matter much...I doubt that anyone will
have a data CD reader in 20 yrs.
Personally, I back up on tape every night and archive onto CD-R. I also
duplicate every archive CD and keep the copy off-site.
Oh yeah, four years ago I used to use 650-meg magneto-opticals for this but
my drive started to fail, and I was able to transfer everything to CD-R
before it went completely...now it's useless and virtually unfixable
(Olympus, the manufacturer, can't/won't fix it). Remember Apex 4.3-gig MO
discs? (*shudder*)
That was a 1-to-1 copy process and time-consuming (~30 MOdiscs = 60
CDs)...I'll probably start re-archiving CDs onto DVD-RAM soon....at least
I'll be able to get 8 CDs on a single disc.
----- Original Message -----
From: "Robin Bateman" <[EMAIL PROTECTED]>
To: "retro-talk" <[EMAIL PROTECTED]>
Sent: Tuesday, March 07, 2000 9:37 AM
Subject: Re: DDS-3 or DDS-4?
> Hi All
>
> Don't want to be too contentious but Tape is NOT a good medium for
archiving
>
> see note below for reason why
>
> CD is much better
>
> Also has the benefit that all Macs (OK OK Unless v old!) & most peecees
have
> CD so v easy for users to get archived data back
>
> ie: no dat drive (etc) no multi copies of retrospect (& training etc)
>
> Just a thought. Over to you
>
>
> R
>
>
>
> ,,,
> /'^'\
> ( o o )
> -----oOOO--(_)--OOOo----------------------------
>
> Robin Bateman
> Topology UK Ltd Tel: +44 (1494) 539991
> [EMAIL PROTECTED] Fax: +44 (1494) 539992
> www.topology.co.uk
>
> .oooO
> ( ) Oooo.
> ------\ (----( )------------------------------
> \_) ) /
> (_/
>
>
> > From: "andrew" <[EMAIL PROTECTED]>
> > Organization: ardent micro
> > Reply-To: "retro-talk" <[EMAIL PROTECTED]>
> > Date: Tue, 7 Mar 2000 09:20:52 -0500
> > To: "retro-talk" <[EMAIL PROTECTED]>
> > Subject: Re: DDS-3 or DDS-4?
> >
> > Have verified those archives recently? I've found that many of my DDS-2
> > archives from three years ago, on Sony, Maxell, Verbatim, and Fuji
tapes,
> > have become unreadable.
> > ----- Original Message -----
> > From: "SK Suh" <[EMAIL PROTECTED]>
> > To: "retro-talk" <[EMAIL PROTECTED]>
> > Sent: Monday, March 06, 2000 11:41 PM
> > Subject: Re: DDS-3 or DDS-4?
> >
> >
> >> At 8:35 PM -0800 03/06/2000, Chuck Hornish wrote:
> >>> I'd suggest getting rid of the 60-Meter tapes and re-writing the
> >>> data onto longer tapes. Are you keeping the catalogs as well as the
> >>> tapes? Are these tapes archives or backups?
> >>
> >> We would hopefully be keeping old catalogs and 60/90 metre tapes, as
> >> they're completed (archived) jobs from years gone by.
> >>
> >> There's no need to write to the ancient 60 metre tapes, but being
> >> able to write to the 90 metre tapes would be an asset.
> >>
> >> Stephen K. Suh
> >>
> >> ____________________________________________________________________
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>
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