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I didn't say you CAN'T.
I said you don't have to...(and in my opinion, you shouldn't)

You can have a single volume pool, and three groups of tapes within one
pool, all with different retentions.

In your case, if you write a 1 year retention to a tape, that tape is
tied up for a year....even though there's only a couple hundred megs on
it with a yearly retention, and 60 gigs with a 2 week retention...that 2
week retention data is stuck on that tape, wasting space for a full
year.

If you turned off the "Allow Multiple Retentions Per Media" option, you
would have a couple tapes for 1 year retained data, a bunch of tapes for
3 month retained data and a bunch of tapes with 2 week retained
data...and all in the same volume pool, if you so choose.
You would constantly have fresh scratch media available.

You'd have a hard time convincing me why you need to mix retention on a
single media.

Paul

--=20


> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu=20
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of=20
> Martin, Jonathan (Contractor)
> Sent: April 26, 2006 12:56 PM
> To: Paul Keating; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Volume Pools [recommendations please]
>=20
>=20
> Sorry to call you on this one, but you CAN have multiple retentions on
> one tape.  Under your Master Server Properties / MEDIA there=20
> is a "Allow
> Multiple Retentions Per Media" check box which I am forced to=20
> use.  I've
> got 4 sites without robots that use Netbackup to write 2 week, 3 month
> and 1 year retention data to and without this I'd be up the creek!
>=20
> I'm not sure who shelled out the big bucks for Netbackup for=20
> a site with
> no robot, but that's another debate entirely! =3DP
>=20
> -Jonathan
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La version fran=C3=A7aise suit le texte anglais.

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