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September 23rd, 2009 22:00

Virtual Pools and TSM Storage groups

HI all,


Me again.

I've got an AIX 6.1 server running TSM which is used by our archiving app to access storage.

We've installed the Centera SDK 3.2 for AIX 5.3 (as there's no release for AIX 6.1 yet).

Working fine!!! Already defined the device classess and storage groups to access the Centera VP's.

Four VP's, each of different quotas. When I query my storage groups in TSM, I obtain the following:


Storage         Device          Estimated       Pct       Pct     High     Low     Next Stora-

Pool Name       Class Name       Capacity      Util      Migr      Mig     Mig     ge Pool   

                                                                   Pct     Pct    

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

ARCHIVEPOOL     DISK                8.0 M       0.0       0.0       90      70               

BACKUPPOOL      DISK                8.0 M       0.0       0.0       90      70               

CMOD06_STG      CMOD06YR         15,262 G      16.2                                          

CMOD12_STG      CMOD12YR         15,262 G      16.2                                          

CMOD20_STG      CMOD20YR        15,262 G      16.2                                          

CMOD30_STG      CMOD30YR         15,262 G      16.2                                          

DB2_STG         FILE                  8 G       1.7       1.7       90      70               

SPACEMGPOOL     DISK                8.0 M       0.0       0.0       90      70               


Those in bold are my Centera VP's each with the following quota's : 100G, 1500G, 200G and 100G respectively.


My question is why does TSM can see the whole space available on the Centera instead of seing just the allowed quota? Have anyone  done this before?

All comments will be helpful...


Thanks,

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56 Posts

September 24th, 2009 10:00

Quotas are administrative only, in that what you set there is only visible to you the Administrator. As I understand it, it sends you an alert if those pools exceed that quota. They also aren't enforced, i.e. the app will never fail to write a clip because of a quota.

The API call exposed to us app vendors for space reporting reports total size of the Centera, no pool settings are exposed even though we use profiles. So multiple pool connections will all report the same space.

8 Posts

September 25th, 2009 00:00

Thanks

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