ADSM-L

Re: Offsite library via fiber

2006-02-13 15:51:50
Subject: Re: Offsite library via fiber
From: "Prather, Wanda" <Wanda.Prather AT JHUAPL DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 13 Feb 2006 15:51:34 -0500
Our "offsite" is just another site on a big campus; we've just run our
own fibre there.

We will reclaim the copy pool, for us, 2 drives are enough.
(And the tape drives are onsite, connected via switch to the primary TSM
server.

The only time we will be pushing data to the tape is for backup stgpool
and reclaim.

And on most days, we are pushing < 500GB, so bandwidth isn't an issue at
all.

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
David E Ehresman
Sent: Monday, February 13, 2006 3:23 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: Offsite library via fiber


>2) IF we have a disaster, having the VTL offsite means we can do DR
>restores without being limited by the number of tape drives we have.
>Cool idea, huh?  Means we only need 2 drives in our 3584.  Collocation
&
>tape mounts are no longer an issue.
>

Wanda,

Does that mean you're not going to reclaim your copy pool?  Or do you
think two dirfves is enough for that?

Do you think you will have any bandwidth issues having to move the data
over the extended fiber twice, during migration and again during backup
stg?

David

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