ADSM-L

Re: [ADSM-L] Summarizing Tape Utilization

2009-07-29 16:56:43
Subject: Re: [ADSM-L] Summarizing Tape Utilization
From: "Huebschman, George J." <GJHuebschman AT LMUS.LEGGMASON DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 29 Jul 2009 16:55:33 -0400
No, just the command line

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Lindsay Morris
Sent: Wednesday, July 29, 2009 4:40 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Summarizing Tape Utilization

George, aren't you a Servergraph user? Doesn't it give you what you
need?   I don't know what you're trying to accomplish here, but
Servergraph handles the usual culprits...

--------------------
Lindsay Morris
Principal
TSMworks, Inc.
1-919-403-8260
www.tsmworks.com

On Jul 29, 2009, at 2:52 PM, Bob Levad <blevad AT WINNEBAGOIND DOT COM> wrote:

> I think you'll need a separate query for each utilization range.
> At least, I haven't thought of a good way to iterate.
>
>
>
> select stgpool_name, count(*) as "60% < utilized < 70%" - from volumes

> - where devclass_name='LTOCLASS4' -
>   and pct_utilized>=60 -
>   and pct_utilized<70 -
> group by stgpool_name -
> order by stgpool_name
>
> Etc...
>
>
> You could maybe nest several of these selects inside another select,
> but that can be pretty cumbersome.
>
> Bob
>
>
>
>
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf
> Of Huebschman, George J.
> Sent: Wednesday, July 29, 2009 10:59 AM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: [ADSM-L] Summarizing Tape Utilization
>
> Greetings everyone,
> I have a/an SQL Select question.
>
> Most of my TSM Servers are at 5.5.1.0, one is at 5.5.2.0
>
> I am trying to count the number of tapes with a percentage utilization

> in brackets of 10 percent.  In other words, how many tapes with
> utilization between 100 and 90, 90 and 80, and so forth.
>
> I first tried:
> select count(volume_name), pct_utilized, stgpool_name from volumes -
> where (pct_utilized between 100 and 90) or (pct_utilized between 90
> and
> 80) or (pct_utilized between 70 and 60) or (pct_utilized between 60
> and
> 50) or (pct_utilized>50)-
> group by stgpool_name, pct_utilized
>
> Although the statement functions and returns valid data,  it is not
> what I expected.  I mistakenly expected it to count all the tapes
> within each given range.  What it really does is count tapes with
> distinct pct_util.
> I might as well not have specified the ranges.  The only tapes it
> counted cumulatively were of the exact same pct_util.
>
> Unnamed[1]     PCT_UTILIZED     STGPOOL_NAME
> -----------     ------------     ------------------
>          1             59.4     C_TSMSERVER_TAPE
>          1             68.7     C_TSMSERVER_TAPE
>          1             78.2     C_TSMSERVER_TAPE
>          1             79.5     C_TSMSERVER_TAPE
>          1             99.9     C_TSMSERVER_TAPE
>          1            100.0     C_TSMSERVER_TAPE
>          1             66.0     NASPOOL
>
> If I select for a count for greater than or less than a particular
> value, I get the kind of count I expect.  I had expected "between" to
> do similar work but be less klunky.
>
> select count(volume_name) from volumes where pct_utilized<100 and
> pct_utilized>89
>
>
> The other option I tried was CASE, WHEN, THEN:
>
> select count(case when pct_utilized between 100 and 91 then 1 else
> 0) from
> volumes and, select count(case when (pct_utilized between 100 and
> 91) then 1
> else 0) from volumes
>
> Those failed for syntax errors.
>
> Is there a clean way to do this?
>
> George Huebschman
>
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