Jon,
on second thought ...
First of all, you can not keep a contiguous hunk of SYSLOG (one big file for 90
days) and then expect to be able to easily delete a day's or week's worth of
records. That's just not how the thing's designed.
Depending on your system setup, SYSLOG is automatically broken into separate
pieces when it exceeds the number of lines specified in SYS1.PARMLIB(IEASYSxx)
LOGLMT=xxxxxx parameter.
 Instead of letting it grow to LOGLMT lines, you're much better off executing a
"WRITELOG x" every 24 hours. This spins of a hunk of SYSLOG into an output
dataset that you can work with and access with SDSF.

If you don't want to invest in a software package (as I stated in my first
posting)
and
you have plenty of diskspace available to add to your existing JES2 SPOOL
configuration, to store 90 days' of SYSLOGs in addition to all your other stuff
and
you can afford to set aside a dedicated SYSOUT class for nothing but SYSLOGs
and
you have SDSF (and a _huge_ SDSF ISF.HASPINDX dataset!)
then you can do the following:
- Set up an automatic "WRITELOG x" command every night at midnight to spin off
the daily SYSLOG to the reserved output class
- Show the user how to use SDSF to locate SYSLOG information by date and time:
In SDSF, go to the log, use the "LOCATE hh:mm:ss mm/dd/yyyy" command to find the
requested info by time and date ... slick stuff!
- Finally set up an automatic purge command to purge all output from the
reserved SYSOUT class that's older than 90 days:
$POJOBQ,READY,Q=x,A>90
- Since everything's kept in SPOOL, there'll be no need to handle GDG datasets,
tapes, etc.

That'll be the cheap solution, but please don't ask me how SDSF will perform
when it has to maintain 90 days of SYSLOG in the HASPINDX dataset ... it all
depends on size. Which brings up the question: How many lines of SYSLOG do you
create in a day? (We're cranking out around 750,000 to 850,000 lines per day and
that's why we offload from SPOOL to a SYSOUT Archiver software package.)

HTH

Regards,
Ulrich Krueger
Mainframe Systems Services
National Semiconductor Corp.
Santa Clara, CA 95051
Tel: (408) 721-8071
Email: [EMAIL PROTECTED]
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