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?