Re: What is a "cumulative" save?

["Steve Landess" <steve_landess@xxxxxxxxxxx>]

Last "complete" save =
last time you did a SAVLIB *NONSYS...

Steve

----- Original Message ----- 
From: "Brunk, Kevin" <>
To: <midrange-l@xxxxxxxxxxxx>
Sent: Friday, September 12, 2003 10:33 AM
Subject: What is a "cumulative" save?


In table 51 of the backup/restore manual discussing restoring objects, it
notes:


 Table 51. Restore Procedures for Changed Objects

 Save Method
 Description
 Restore Procedure

 Cumulative


 You save all changes since the
 last complete save operation.

  "Restoring Changed
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.1?DT=200
00404104001#HDRRSTCL>
  Objects by Library"
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.1?DT=200
00404104001#HDRRSTCL>
  in topic 3.9.1.1
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.1?DT=200
00404104001#HDRRSTCL>

 Not cumulative



 You save changes since the
 last SAVCHGOBJ operation.


  "Restoring Changed
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.2?DT=200
00404104001#HDRRSTCO>
  Objects
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.2?DT=200
00404104001#HDRRSTCO>
  Individually" in
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.2?DT=200
00404104001#HDRRSTCO>
  topic 3.9.1.2
<http://publib.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/qb3ale04/3.9.1.2?DT=200
00404104001#HDRRSTCO>

I'm not sure what is meant by "the last complete save operation."  Our
strategy is,

once a week, do a SAVLIB *ALLUSR, and daily to do a SAVCHGOBJ *ALLUSR.  In
both

cases the REFDATE is *SAVLIB.  My understanding was that by specifying
*SAVLIB,

the SAVCHGOBJ was cumulative in the sense that each day was (essentially)
the

previous days objects plus any new ones that had changed.



So, 1) is my understanding of SAVCHGOBJ REFDATE(*SAVLIB)

correct, and 2) is it cumulative in the sense that table 51 means it?



This has come about as we prepare for our DR test.



==Kevin



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