Storage Lifecycle Policy (SLP) backup images have original backup copy expiration date set to infinity.

Storage Lifecycle Policy (SLP) backup images have original backup copy expiration date set to infinity.

Article: 100021670
Last Published: 2014-01-21
Ratings: 0 0
Product(s): NetBackup

Problem

Storage Lifecycle Policy (SLP) backup images have original backup copy expiration date set to infinity.

Solution

This is normal behavior and is expected.
The following command will produce a report of an SLP (Storage Lifecycle Policy) policy setup:

<install path>\netbackup\bin\admincmd\nbstl -L

Name: test_slp
State: active
Destination 1 Use for: backup
Storage Unit: test_stu_slp
Retention Type: Fixed
Retention Level: 2 (2 days)
Destination 2 Use for: duplication
Storage Unit: hostname-dlt2
Volume Pool: NetBackup
Retention Type: Fixed
Retention Level: 0 (4 days)
 
To report on the images that are managed by this SLP run the following command:
<install path>\netbackup\bin\admincmd\nbstlutil list -U 
 
Image:
Backup Time : 1249571409 (Thu Aug 6 10:10:09 2009)
Policy : test
Client Type : 13
Schedule Type : 0
Storage Lifecycle Policy : test_slp
Storage Lifecycle State : 1 (NOT_STARTED)

Copy:
Copy Number : 1
Expire Time : 2147483647 (Mon Jan 18 21:14:07 2038)

Note that for Copy Number 1 the Expire Time is INFINITY (year 2038).  This is so the original backup copy is preserved, i.e. not expired, until all duplicate copies in the SLP are made.   When all duplication steps in the SLP are completed, the image's SLP state is marked "complete", and the expiration date of the original copy is updated according to the SLP configuration.   In the case of fixed retention, the expiration date is calculated according to the date/time of the original backup, and the retention period for that backup copy.  
 
 


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