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reducing backup space taken by OS400 audit journal receiver

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Last Modified: 2018-01-28
I'm not trained in AS400.
We don't use tapes anymore but backup to a remote Data Domain.

AS400's audit journal receiver of our developmt AS400 is taking too much space in our current weekly backups with retention of 6 years.

a) Without compromising on the 6 years' retention, how can we reduce the space taken by the backups in the Data Domain?

b) I suppose weekly backup is taken because the receiver journal is rotated weekly: is there such thing as incremental or
    differential backup in AS400 for audit journals?

c) can we do it monthly with differential backups or what other strategy can we do it?  

d) can it be compressed?   the Data Domain solution we used is from EMC.  Anything on deduplication??

We are on OS400 V7 R2  running DB2
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Commented:
Another crucial advice needed: how can we transition from the current weekly backups of the journal with 6 years retention to the new strategy of backup that will be recommended here

Author

Commented:
We can explore loaning an LTO6 tape library/drive if needed from IBM to archive out if needed & keep them on tapes & in the event it's needed, lease back the drive to restore (as restore is very unlikely for this development journal but just in case)
Expert for hire: IBM i, AIX, Linux, Windows, DB2, Performance, Security. EDI
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This one is on us!
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