ADSM-L

Re: Accessing to a WORM Optical Library

2004-03-10 23:33:22
Subject: Re: Accessing to a WORM Optical Library
From: Pedro Duarte Meira <p.meira AT CAPITALIT DOT PT>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 10 Mar 2004 04:30:47 -0000
You are right in some points.

But the customer goal is to change the management system.

To be able to change the management system, and to access to data that
physical resides in a WORM optical library we will need TSM.

TSM will act as a supported driver for the new solution.

The new solution will know that data resides on TSM and will ask for a
particular objectid.

This is not a backup & archiving issue, but just accessing and controlling
those objects that are in a non-writable format.

 

Is like full object ingestion to update TSM database.

Best Regards.

Pedro

 

-----------------------------------------------------

Pedro Duarte Meira

Vice President

Capital IT SGPS

Professional email : p.meira AT capitalit DOT pt 

email at the Institute of Electrical & Electronic Engineers :
p.meira AT ieee DOT org

Address : Polo Tecnologico de Lisboa Edf 3 Piso 1

Zipcode : 1600-546 Lisboa

Country : Portugal

Mobile Phone : +351 912383135

Direct Office Phone : +351 217101724 / 68

Fax : +351 217101608

-----------------------------------------------------

 

 

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Richard Sims
Sent: quarta-feira, 10 de Março de 2004 12:08
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: Accessing to a WORM Optical Library

 

>We have a customer request to import into TSM 6 Terabytes of WORM optical

>volumes.

>WORM volumes could not be writable, apparently we could access to those

>volumes like a windows file system.

>How could TSM be able to know about the existence of those files (like
doing

>an inventory and cataloging those files)?

>Any ideas would be greatly appreciated.

 

Your customer is very confused as to what TSM is...

TSM is a long-term repository for data which originated on computer systems.

You don't randomly "import" foreign data into TSM.

To have that data in TSM you need to have it at least temporarily

reside on a client system, then do a Backup or Archive, whereupon it

will be associated with that client and file system from which it came.

 

You should have your customer sit down and think over just what it is

they are trying to accomplish.  Whereas the data is already on an

archival media, it doesn't make a lot of sense to then also put it

onto tape.

 

   Richard Sims,  http://people.bu.edu/rbs

 

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