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Scratch vs. Filling tapes


ADSM.ORG Senior Member
I have noticed that my TSM server will sometimes choose scratch tapes over tapes that are in the filling state. For example, there are 5 tapes that are not full (10% - 80%), but when migration started TSM grabbed two scratch tapes. When I have seen this before I moved the data off the tapes and all was normal again. There are no errors on the tapes and I see nothing unusual. I know this is not very important, but any clues, or is it just a weirdness?

Other info:

No tapes were mounted at the start of migration.

The tapes in question are in the library.

TSM Version 5, Release 1, Level 1.6

Volume Name: T00572

Storage Pool Name: FS_TAPE

Device Class Name: 3590-A

Estimated Capacity (MB): 40,000.0

Pct Util: 10.7

Volume Status: Filling

Access: Read/Write

Pct. Reclaimable Space: 0.0

Scratch Volume?: Yes

In Error State?: No

Number of Writable Sides: 1

Number of Times Mounted: 15

Write Pass Number: 1

Approx. Date Last Written: 01/11/03 01:28:55

Approx. Date Last Read: 01/11/03 07:00:00

Date Became Pending:

Number of Write Errors: 0

Number of Read Errors: 0

Volume Location:

Last Update by (administrator):

Last Update Date/Time: 01/11/03 00:28:09


ADSM.ORG Senior Member
Reclamation runs everyday, that does not seem to the issue. The migration seems to ignore these tapes, I just can not figure out why.


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The Spectrum Protect TLA (Three-Letter Acronym): ISP or something else?

  • Every product needs a TLA, Let's call it ISP (IBM Spectrum Protect).

    Votes: 18 18.8%
  • Keep using TSM for Spectrum Protect.

    Votes: 58 60.4%
  • Let's be formal and just say Spectrum Protect

    Votes: 12 12.5%
  • Other (please comement)

    Votes: 8 8.3%

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