As Mikhail states changing the RL setting within a policy only changes backups
from that point on.
Changing RL period for the RL itself changes it for all items with that RL.
Although the RL has a period listed it is actually the RL number you see that
is stored so changing the RL’s period changes it for all backups with that RL
number.
Note that there are multiple retention levels available and the period can be
changedon each so you can have multiple RLs with the same retention period.
For example in our environment we only keep our on site backups on
deduplication appliance so all the RLs we define for use of the original
backups have 2 weeks.
The reason we use multiple RLs each with 2 weeks is because we then vault the
images to tape to be sent offsite and have varying offsite retention policies
(e.g. 3 months, 9 months, 1 year, infinity). Vaulting allows one to map the
original image RL to a separate duplication RL.
From: veritas-bu-boun...@mailman.eng.auburn.edu
[mailto:veritas-bu-boun...@mailman.eng.auburn.edu] On Behalf Of Mikhail Nikitin
Sent: Friday, July 18, 2014 8:53 AM
To: Linda Boughner
Cc: VERITAS-BU@MAILMAN.ENG.AUBURN.EDU
Subject: Re: [Veritas-bu] Netbackup change policy attribute question
There is no contradiction between your understanding and bpexpdate -recalculate.
The original question was about policy settings (not retention levels) and
change in the policy will not be propagated. The change in retention levels
will be propagated but will affect all backups of all policies which are using
the affected retention level.
So if expiration date need to be changed for a subset of images covered by one
policy the right way to do it is using the bpexpdate -recalculate command with
-policy switch.
WBR, Mikhail
On 18/07/2014 9:48 PM, Linda Boughner
linda.bough...@durham.camailto:linda.bough...@durham.ca wrote:
No, but it is my understanding that if you change the Retention Period for a
Retention Level under Master Server Host Properties, that will change the
period for all existing images, regardless of the policy, backed up under that
level.
FYI,
Linda
-Original Message-
From:
veritas-bu-boun...@mailman.eng.auburn.edumailto:veritas-bu-boun...@mailman.eng.auburn.edu
[mailto:veritas-bu-boun...@mailman.eng.auburn.edumailto:veritas-bu-boun...@mailman.eng.auburn.edu]
On Behalf Of Mikhail Nikitin
Sent: July-17-14 10:30 PM
To: VERITAS-BU@MAILMAN.ENG.AUBURN.EDUmailto:VERITAS-BU@MAILMAN.ENG.AUBURN.EDU
Subject: Re: [Veritas-bu] Netbackup change policy attribute question
Hi,
No, NetBackup does not propagate changes in retention retrospectively.
If you need to change retention of existing images, you need to run bpexpdate
with the -recalculate switch for the images in question.
On 3 Jul 2014, at 3:56 am, settler
nbu-fo...@backupcentral.commailto:nbu-fo...@backupcentral.com wrote:
If I change the retention attributes on an existing policy, do the retention
attributes apply to that which was backed up prior to making the change?
e.g. if I change retention attributes from 1 year, to 45 days, will data
older than 45 days that has been backed up prior to making the policy change
expire out naturally. Conversely, if I change the attributes from 45 days to
1 year, will the data that was backed up prior to the policy change abide to
the new policy.
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