ADSM-L

Re: Q VOL Shows tapes FULL at less than 100% utilized

2002-03-27 20:12:41
Subject: Re: Q VOL Shows tapes FULL at less than 100% utilized
From: David Longo <David.Longo AT HEALTH-FIRST DOT ORG>
Date: Wed, 27 Mar 2002 20:12:33 -0500
This does not necessarily look wrong to me.  I have 3584 library and
old 3575 library.  Tape fills to 100% , then expiration expires some files
and pct util drops.  You say this has just started to happen, how long
had you been operating "normally"?

What reclamation pct do you use?  When you update stg pool reclamation
and nothing happens, look at actlog for last few minutes and you will most 
likely see some hint of why nothing happened.

I use compression on tape only (no client compression).  I setup LTO
class as 200GB.  I am getting 250 to 300GB on a tape.  IBM tapes
with variety of data types/sizes.

David Longo

>>> clive.johnson AT DB DOT COM 03/27/02 06:54PM >>>
All,
I am experiencing a problem when queering the volume, please see below: Using 
TSM ver 4 release 2 level 1.7 on NT4 SP6

Volume Name               Storage      Device      Estimated    Pct   Volume
                          Pool Name    Class Name   Capacity   Util   Status
                                                        (MB)
------------------------  -----------  ----------  ---------  -----  --------
--------
000001L1                  TAPE         LTO         102,110.9   49.6    Full
000001L1                  TAPE         LTO         102,110.9   49.6    Full
000002L1                  TAPECOLL     LTO         200,000.0    9.6  Filling
000003L1                  TAPECOLL     LTO         101,700.5  100.0    Full
000005L1                  TAPE         LTO         102,780.8   29.8    Full
000006L1                  TAPE         LTO         101,664.4   29.7    Full
000007L1                  TAPECOLL     LTO         200,300.2   95.1    Full
000008L1                  TAPECOLL     LTO         223,004.3   71.5  Filling
000011L1                  TAPEARCH     LTO         200,000.0   15.2  Filling
000012L1                  TAPE-S2S     LTO         200,000.0    0.0  Filling
000013L1                  TAPE         LTO         101,488.8    7.0    Full
000014L1                  TAPE         LTO         101,138.1   71.5    Full
000015L1                  TAPE         LTO         101,492.5   59.8    Full
000016L1                  TAPE         LTO         101,793.8   74.2    Full
000017L1                  TAPE         LTO         101,622.4   33.1    Full

One problem is that the tapes are showing full at a capacity of 100Gb and pct 
util is all over the place. There has been no change to compression settings. 
This has only just started to happen.

I have tried to reclaim the stgpool but when I update the stg pool reclamation 
value that would envoke reclamation but nothing happens. q pro - no processes 
are active, q mount - nothing is mounted.
 no processes are active, q mount - nothing is mounted.

If anyone has any ideas they would be much appreciated as I am having to throw 
tapes into our library daily.

Clive


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"MMS <health-first.org>" made the following
 annotations on 03/27/02 20:26:11
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