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Re: [Networker] NetWorker Retention Policy Qs?
2008-11-25 12:24:01
JGillTech wrote:
It's not the data retention policy I am having a problem with. Its the
automatic recycle of media. My full volumes should recycle (auto media
management enabled) 2 months after the last write. However, the expiration on
my full volumes is that same as my clone volumes... 1 year rather than 2 months.
First of all, it's been said dozens of times on this list (many of them
by me), but Auto Media Management is irrelevant to recycling and
retention. AMM is only for labelling of new media, nothing else.
Now to the problem in hand:
You haven't said what version you are running, but with very recent
versions it IS possible to have a different retention for different
clones of the same save set. The retention you specify in the client
will be the one that applies to the initial backup. If you specify a
different retention when you run the clone, or specify the clone pool
with a different retention, this new retention will apply to the clones.
This does work.
Perhaps you are making the mistake of looking at the volume expiry
rather than the save set expiry? You should always look at individual
save sets to work out when they will expire, then the volume will expire
soon after all the save sets have expired, regardless of NetWorker's
_prediction_ of volume expiry date.
Or perhaps you are not giving them quite long enough to allow them to
expire? A save set will not expire until all its dependencies have also
expired, often giving the effect that a full does not expire until the
next oldest full reaches its expiry date.
The best way to troubleshoot expiry times is to list all the save sets
on a volume in date order using mminfo. The command could be something like:
mminfo -q "volume=XY1234" -ot -r client,name,savetime,ssretent,clretent
Then you will be able to see when the volume is likely to expire,
bearing in mind any dependencies that may exist. Any client config
problems should be pretty obvious at this point.
HTH.
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