Bill,

how quickly does your 121GB db backup & restore?  How long does reclamation
run?

Steffan

At 12:52 PM 4/3/2001 -0400, you wrote:
>David - I am running tsm 3.7.4 on os/390 r6.  I do have a much bigger
>database.
>It has continued to perform well.  Here is a 'q bd'  --
>adsm> q db f=d
>
>           Available Space (MB): 121,888
>         Assigned Capacity (MB): 121,888
>         Maximum Extension (MB): 0
>         Maximum Reduction (MB): 12,008
>              Page Size (bytes): 4,096
>             Total Usable Pages: 31,203,328
>                     Used Pages: 28,128,310
>                       Pct Util: 90.1
>                  Max. Pct Util: 90.2
>               Physical Volumes: 52
>              Buffer Pool Pages: 65,536
>          Total Buffer Requests: 100,564,851
>                 Cache Hit Pct.: 98.06
>                Cache Wait Pct.: 0.00
>            Backup in Progress?: No
>     Type of Backup In Progress:
>   Incrementals Since Last Full: 2
>Changed Since Last Backup (MB): 1,152.03
>             Percentage Changed: 1.05
>Last Complete Backup Date/Time: 04/02/2001 15:36:25
>
>
>As to worrying about db restore times, as always, it depends.  How fast is
>your cpu and disk subsystem?  What restore time is expected? Demanded?
>If you can get the disk space for a short time, you can create a new
>instance of
>tsm and restore your production db into it to practice db restores.
>
>
>--
>--------------------------
>Bill Colwell
>C. S. Draper Lab
>Cambridge, Ma.
>[EMAIL PROTECTED]
>--------------------------
>
>
>
>In <[EMAIL PROTECTED]>, on 04/03/01
>    at 12:52 PM, "David Browne." <[EMAIL PROTECTED]> said:
>
> >One of our ADSM databases runs on  OS/390 2.10  and is 44GB.
> >Does anybody have a recommendation for how big you should let the database
> >get?
> >Does anyone have one on OS/390 that's much bigger?
> >Is there a limit on the size?
> >I'm concerned about the length of time it would take to recover.
> > Are there other considerations?

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