Veritas-bu

[Veritas-bu] Datacenter versus TSM

2003-03-13 06:22:07
Subject: [Veritas-bu] Datacenter versus TSM
From: Colin.Smith AT motorola DOT com (Smith Colin-WCCS07)
Date: Thu, 13 Mar 2003 11:22:07 -0000
>-----Original Message-----
>From: Brian Chase [mailto:vaxzilla AT jarai DOT org] 
>Sent: Wednesday, March 12, 2003 11:22 PM
>To: David A. Chapa
>Cc: Dan Chrastil; veritas-bu AT mailman.eng.auburn DOT edu
>Subject: RE: [Veritas-bu] Datacenter versus TSM

>The staging pools of TSM are something I miss very, very, very 
>much. I'd could have hundreds of clients streaming data into 
>my TSM server and it'd all be consolidated in the staging 
>pools before being streamed onto tape.  If you've a lot little 
>backups coming from different clients, the TSM disk staging 
>features will keep the data flowing at a very high rate.

Stop. Please. You'll have me crying, looking back to the good old days.

>My overall opinion is that TSM is a much better product than 
>NetBackup from a technical standpoint, but they made a few 
>significant design decisions which I find unacceptable from 
>the practical standpoint. The first one is that they store 
>tape data in a proprietary format, the second is that you 
>can't recover any data without having TSM running and your TSM 
>database loaded.  One consequence of this is that TSM isn't 

In reality, I don't see how this is much different to Netbackup. Multiplexed 
tapes are useless outside Netbackup.

>helpful in cases where you need to data tapes with external 
>organizations;  it also makes using TSM as part of an 
>archiving solution not terribly workable.

It does kind of lock you in.

-- 
Colin Smith

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