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
IMPORTANT: E-mail sent through the Internet is not secure. Legg Mason
therefore recommends that you do not send any confidential or sensitive
information to us via electronic mail, including social security numbers,
account numbers, or personal identification numbers. Delivery, and or timely
delivery of Internet mail is not guaranteed. Legg Mason therefore recommends
that you do not send time sensitive or action-oriented messages to us via
electronic mail.
This message is intended for the addressee only and may contain privileged
or confidential information. Unless you are the intended recipient, you may
not use, copy or disclose to anyone any information contained in this
message. If you have received this message in error, please notify the
author by replying to this message and then kindly delete the message. Thank
you.
This electronic transmission and any documents accompanying this electronic
transmission contain confidential information belonging to the sender. This
information may be legally privileged. The information is intended only for
the use of the individual or entity named above. If you are not the intended
recipient, you are hereby notified that any disclosure, copying, distribution,
or the taking of any action in reliance on or regarding the contents of this
electronically transmitted information is strictly prohibited.
|
