RE: Longer backup after an IPL

[Mike Cunningham <mcunning@xxxxxxx>]

Rob, do you know if RTVDSKINF command "touches" all objects in the same way DSPOBJD does?  I put in your trick to test on the next IPL to see if backup times change but other discussions on this list had me thinking about doing a RTVDSKINF on a regular bases so PRTDSKINF has current data to print. Do you keep the output from DSPOBJD around until the next IPL or just point it to QTEMP so it goes away

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of rob@xxxxxxxxx
Sent: Wednesday, April 02, 2008 11:06 PM
To: Midrange Systems Technical Discussion
Subject: Re: Longer backup after an IPL

Would knowing why change anything?  Probably not.  What we do is a DSPOBJD
to an output file to perform "first touch" so the backup completes in the
same window.

Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





Mike Cunningham <mcunning@xxxxxxx>
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04/02/2008 03:27 PM
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Subject
Longer backup after an IPL






Does anyone know the system internals well enough to know what might cause
the first system backup after an IPL to run longer?  We IPL weekly (lets
not get into a discussion of this being necessary) and we have a backup
script that runs one series of saves Monday night through Friday night and
a compressed one on Sat and Sun (we are not open weekends). Sunday we IPL.
Every monday night the backup takes 4 hours, tuesday-friday it's 3 1/2
hours. I know some database stats get cleared on an IPL. Could this be
causing longer backups?
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