RE: BPCS 405 CD & Wasted Disk Space

[Doug Schneider <dschneider@xxxxxxxxxxxxxxx>]

When journaling, and you RGZPFM any journaled file, there is a record placed in 
the journal stating a reorg was accomplished.  Then you would APYJRNCHG from 
that time span, as the RRN would change.  The journal is not useless, it just 
has to be used correctly.

-----Original Message-----
From:   Shalom Carmel [SMTP:shalom@venera.co.il]
Sent:   Tuesday, February 16, 1999 3:03 PM
To:     BPCS-L@midrange.com
Subject:        Re: BPCS 405 CD & Wasted Disk Space

While reusing deleted records does decrease the occupied disk space on the
AS/400, 
you must not do so if you use journaling on BPCS files.
I believe that journaling BPCS is essential to any BPCS energency recovery
procedure.
Although BPCS does not include commitment control, journaling may be
invaluable in both in case of a disaster, such as a disk crash, and in
debugging and investigating the BPCS database. 
Setting the "reusedlt" parameter to *yes may cause the journal to be
inacurate, reorganizing the physical files on a regular basis will
certainly render the journal useless.


_________________________________________________________________
Shalom Carmel                           tel 972-9-7662818
General Manager                         fax 972-9-7656392
Venera Systems Ltd                      email shalom@venera.co.il
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