Try looking up the Q STG command and reviewing the explanations given for
"Pct Util" and "Pct Migr" with regard to sequential access media. Maybe
that will shed some light.

Regards,

Andy

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Development
Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

The only dumb question is the one that goes unasked.
The command line is your friend.
"Good enough" is the enemy of excellence.

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 11/24/2004
04:51:46:

> Just to satisfy my curiosity, can someone explain why my file-class disk
> pools show a higher percent migratable than utilized?  How would TSM
> migrate more data than exists in a given pool?  And which one is used to
> trigger migration?  Inquiring minds want to know...
>
>
> Storage Po    Device Cl     Estimated    Pct     Pct    High   Low
> Next Stora
> ool Name      lass Name    d Capacity    Util    Migr    Mig   Mig   age
> Pool
>                                  (MB)                    g P   Pct
>                                                          Pct
> -----------   ----------   ----------   -----   -----   ----   ---
> -----------
> DR_FILE1      TSMFILE03         891 G    88.6    90.1     95    70
> DR_TAPE
> ORALOG_FIL    TSMFILE01         452 G     1.8     4.1     90    70
> ORALOG_TAP
>  LE1_DR
> PE_DR
> ORALOG_FIL    TSMFILE01         452 G     8.0    10.2     90    70
> ORALOG_TAP
>  LE1_STD
> PE_STD
> STD_FILE1     TSMFILE02         891 G    81.7    84.9     95    70
> STD_FILE2
> STD_FILE2     TSMFILE04         891 G    42.7    46.0     95    70
> STD_TAPE
>
> Steve Schaub
> Computer Storage Systems Engineer II
> Haworth, Inc
> 616-393-1457 (desk)
> 616-886-8821 (cell)
> Steve.Schaub AT Haworth DOT com
> "Trials are inevitable.  We can curse them and grow bitter, or harvest
> them and grow stronger"