At 16:24 -0600 on 03/05/2007, =?iso-8859-1?Q?Brian_Peterson?= wrote
about Re: Heads Up: JES2 Warning - Don't $P Spool Volumes:
<x-charset iso-8859-1>Short version: If you are z/OS JES2 1.7 or
above, don't drain spool
volumes. APARs OA17249 and OA20195 (new, see "additional related symptoms"
within the APAR text) describe problems which can occur if you $P a spool
volume which is not known to be empty. The below workaround is suggested.
Brian
On Mon, 5 Mar 2007 09:19:19 -0600, Brian Peterson wrote:
There are problems in z/OS 1.7+ JES2 where SPOOL volumes can drain with
valid occupied track groups still remaining.
One of these problems is described by OA17249. The fix for OA17249 only
corrects jobs submitted AFTER the fix is applied.
Another problem was just discovered (no APAR number yet).
Both of these problems deal with issues related to something called
the "SPOOL used mask". This is an attribute of each job, and is incorrect
due to reasons described in OA17249 and in the new APAR about to be
created. Because the mask is wrong, JES2 "thinks" spool volumes are empty
when in fact they still contain parts of valid jobs.
The bottom line is - do not $P spool volumes in JES2 1.7 or 1.8. Instead,
follow the below procedure:
Step 1) $T SPOOL(volser),SYSAFF=-ANY
This will perform the same function of $P SPOOL(volser), but without
draining the spool volume.
Step 2) Take note of the exact date / time of step 1.
Step 3) Wait until every job with a RD-DATE / RD-TIME (from SDSF ST
display)
which was submitted before Step 2's date / time has purged. On my
system, this took several weeks.
Step 4) Once it is known that no job exists on SPOOL which pre-dates the
date / time of Step 2, it is now safe to $P SPOOL(volser).
>Brian
Once you know which jobs are affected via step 3, just Spool Offload
them to get rid of them and allow step 4 to be done. Then just return
them to the spool queue with a Spool Reload.
As an alternative, I seem to remember a JES2 Mod that will migrate a
job's allocation from one spool volume to another so that a volume
can be cleaned off and allow it to be drained.
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