That's curious because it resets mine. I am running v4.1.1.0 of TSM on
AIX. Maybe it has something to do with what version of TSM you are running.
Jim Sporer
At 01:23 PM 6/21/2001 -0500, you wrote:
>I run expiration everyday at 5pm but it doesn't seem to reset my bufpool
>statistics. Unless my bufpool statistics are just very low.
>
>-----Original Message-----
>From: Jim Sporer [mailto:[EMAIL PROTECTED]]
>Sent: Thursday, June 21, 2001 1:21 PM
>To: [EMAIL PROTECTED]
>Subject: Re: Cache Hit Pct.
>
>
>The selftunebufpoolsize only adjusts your bufferpool size when you run
>expiration. If you are like us and only run expiration once a week it
>isn't much help. Part of the selftunebufpoolsize process involves
>resetting the bufpool statistics, but again this only happens when you run
>expiration.
>Jim Sporer
>
> At 01:07 PM 6/21/2001 -0500, you wrote:
> >My Buffpoolsize is set to 65536 and SelfTunebufpoolsize is set to yes as
> >well. So I would assume it would tune itself to the right value. I'm
> >thinking maybe the reset of buffpool stattistics will help. Is resetting
>of
> >the buffpool statistics something that need to be don everyday. In order
>to
> >get a true value each day.
> >
> >
> >-----Original Message-----
> >From: George Lesho [mailto:[EMAIL PROTECTED]]
> >Sent: Thursday, June 21, 2001 12:45 PM
> >To: [EMAIL PROTECTED]
> >Subject: Re: Cache Hit Pct.
> >
> >
> >Richard, Your cache hit percentage is too low at 95.6 percent and as you
> >have pointed out, should be around 98 percent of above. To change the
> >percentage of your cache hits, increase by doubling, the size of your
> >BUFPOOL parameter in your dsmserv.opt file on your TSM server:
> >
> >entry from my dsmserv.opt file:
> >BUFPOOLSIZE 16384
> >
> >You should then wait a day or two and see what it rises to. Each time, you
> >will need to reset the associated statistics with
> >the "reset bufpool". You can then check your cache hit percentage using the
> >"q db f=d" command:
> >
> >tsm: AFCOPS2>q db f=d
> >
> > Available Space (MB): 13,172
> > Assigned Capacity (MB): 11,420
> > Maximum Extension (MB): 1,752
> > Maximum Reduction (MB): 1,780
> > Page Size (bytes): 4,096
> > Total Usable Pages: 2,923,520
> > Used Pages: 1,441,070
> > Pct Util: 49.3
> > Max. Pct Util: 50.1
> > Physical Volumes: 3
> > Buffer Pool Pages: 4,096
> > Total Buffer Requests: 31,549,306
> > Cache Hit Pct.: 98.94
> > Cache Wait Pct.: 0.00
> > Backup in Progress?: Yes
> > Type of Backup In Progress: Full
> > Incrementals Since Last Full: 0
> >Changed Since Last Backup (MB): 0.52
> > Percentage Changed: 0.01
> >Last Complete Backup Date/Time: 06/20/01 12:02:59
> >
> >
> >Hope this is what you were looking for... I suspect your TSM server is
> >running a tad slow... just don't overdo upping the
> >bufpool size and wait for at least a day to let the new bufpool size have a
> >chance to show a true value for the cache hit
> >percentage....
> >
> >George Lesho
> >Storage/System Admin
> >AFC Enterprises
> >
> >
> >
> >)))))))))
> >
> >
> >
> >
> >"Dearman, Richard" <[EMAIL PROTECTED]>@VM.MARIST.EDU> on 06/21/2001 11:04:01
> >AM
> >
> >Please respond to "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]>
> >
> >Sent by: "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]>
> >
> >
> >To: [EMAIL PROTECTED]
> >cc:
> >Fax to:
> >Subject: Cache Hit Pct.
> >
> >
> >Anyone know of a good way to raise Cache Hit Pct to above 98%. I continue
> >to get 95.6% and I tried the performance tuning setting an still get cann't
> >get it above 98%. Tivoli manuals state that Cache Hi Pct should remain
> >above 98%.
> >
> >Thanks
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