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IMHO, unless you already have an operations automation package with this
kind of tool, it will often be cheaper to take the hit in down-time or buy
the extra disk space!
As I recall from my programming days, the IBM free-ware TAATOOL has a
utility in it that will reorg for you.

Kind regards,

Jeffrey E. Bull
OS400 Software Support Consultant

IBM Certified Systems Expert, iSeries Technical Solutions
IBM Certified Systems Specialist, AS/400 System Administration

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ITM Group Ltd, Latimer Square, White Lion Road, Amersham, Buckinghamshire,
HP7 9JQ, United Kingdom


-----Original Message-----
From: fiona.fitzgerald@xxxxxxxxxxxxxxxxxx
[mailto:fiona.fitzgerald@xxxxxxxxxxxxxxxxxx]
Sent: 28 April 2004 11:10
To: Midrange Systems Technical Discussion
Subject: Re: File Reorg - Cons



OSD (OS Director) also handles this well.
It allows you to schedule the file reorgs after hours
- if a reorg would take too long, it doesn't run it.

Considerations;
Reorging a file doubles the size of the file while the process runs (a copy
is created in QTEMP).
Usually it's done when %age used disk space is already high.
It can take hours to complete, depending not only on the file size
but also on the amount of access paths.
And to interrupt a reorg can damage the object.

Or a cheap alternative would be to CPYF filename to copy COMPRESS(*YES)
Compress out deleted records.
CLRPFM the file, then CPYF copy to filename.

Fiona Fitzgerald



 

                      PaulMmn

                      <PaulMmn@xxxxxxxxxxx         To:
midrange-l@xxxxxxxxxxxx                      
                      om>                          cc:

                      Sent by:                     Subject: Re: File Reorg -
Cons                        
                      midrange-l-bounces@m

                      idrange.com

 

 

                      28/04/04 04:44

                      Please respond to

                      Midrange Systems

                      Technical Discussion

 

 





THIS MESSAGE ORIGINATED ON THE INTERNET - Please read the detailed
disclaimer below.
----------------------------------------------------------------------------
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Lakeview Technology (of Mimix fame) offers a product that allows you
to reorganize a file while things are live... all it takes is disk
space at least as big as the original file.  The file is reorganized,
along with its logical views.  At a Magic Moment when all activity
against the file has ended, the application swaps out the old file
with the deleted records, and swaps in the shiny new reorganized copy.

It works very well.

--Paul E Musselman




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