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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[ADSM\-L\]\s+when\s+TSM\s+uses\s+tape\s+compression\?\s*$/: 8 ]

Total 8 documents matching your query.

1. [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Mehdi Salehi <ezzobad AT GOOGLEMAIL DOT COM>
Date: Wed, 7 Jul 2010 21:36:37 +1000
Hi, The format of a device class is set to "drive" and "query drive" shows the read and write format is "3592C,3592". The question is when does TSM uses the compressed format? In a TSM 5.3 system, al
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00062.html (11,575 bytes)

2. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Francisco Molero <fmolero AT YAHOO DOT COM>
Date: Wed, 7 Jul 2010 04:45:06 -0700
Hi, 1. - Format 3592C/drive uses drive compression: show libr ( if you want to check it ) 2.-Compressed files are not compressed twice -- Mensaje original -- De: Mehdi Salehi <ezzobad AT GOOGLEMAIL D
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00063.html (11,899 bytes)

3. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Richard Sims <rbs AT BU DOT EDU>
Date: Wed, 7 Jul 2010 08:06:28 -0400
The values shown in the "Read Formats" and "Write Formats" fields of Query DRive output are the values that can be specified with the FORMAT parameter of the device class definition: they report capa
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00064.html (12,253 bytes)

4. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Mehdi Salehi <ezzobad AT GOOGLEMAIL DOT COM>
Date: Wed, 7 Jul 2010 22:20:45 +1000
Thanks Richard, What happens to existing volumes if I change the devclass format to compressed? I mean, should TSM update the "estimated capacity" of volumes? Regards
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00065.html (11,445 bytes)

5. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Richard Sims <rbs AT BU DOT EDU>
Date: Wed, 7 Jul 2010 08:38:26 -0400
Nothing happens to existing volumes: they remain as readable and writable as they always have been. TSM *should* have been writing the volumes to the maximal capabilities of the tape drive technology
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00066.html (12,314 bytes)

6. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Mehdi Salehi <ezzobad AT GOOGLEMAIL DOT COM>
Date: Wed, 7 Jul 2010 22:51:53 +1000
I was wondering if there is a way to increase the capacity of the storage pool without adding volumes. I thought changing devclass format to compressed will affect the existing volume capacities and
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00067.html (11,858 bytes)

7. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Richard Sims <rbs AT BU DOT EDU>
Date: Wed, 7 Jul 2010 09:00:52 -0400
Specifying 3592C would be a change from your DRIVES specification, but it does not necessarily represent any change over how TSM has been writing data to tape for you: a spec of DRIVE *should* use co
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00068.html (12,762 bytes)

8. Re: [ADSM-L] when TSM uses tape compression? (score: 1)
Author: Mehdi Salehi <ezzobad AT GOOGLEMAIL DOT COM>
Date: Wed, 7 Jul 2010 23:13:08 +1000
Very nice explanation, Thanks you
/usr/local/webapp/mharc-adsm.org/html/ADSM-L/2010-07/msg00069.html (13,267 bytes)


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