Re: TSM Question
2003-02-04 00:38:04
Hi Jose
I did some analysis on this for monthly backups and discovered that a monthly
archive and a monthly incremental worked out about the same in our environment
but that the monthly archive was easier to implement. Our requirement was just
a point-in-time each month with one month each year kept "forever".
In your case, if it is a real requirement that every backup be kept,
Create a new copypool
extend your retention to 210 days
every 180 days, backup all primary pools to your new copy pool
take a database snapshot and ship it and all your new copypool tapes to storage
for 4 ½ years
Delete the volumes in the new copypool
The other thing that you might like to do is run q content on each of the
volumes and drop it into a database somewhere, so that you can tell if you have
a particular file and which tapes are required to get it back without huge
amounts of effort.
HTH
Steve Harris
AIX and TSM Admin
Queensland Health, Brisbane Australia
>>> jose.spri.rivera AT SPCORP DOT COM 04/02/2003 0:21:21 >>>
Hi - Wondering if I can get ideas or suggestions
We need to retain all backups for a 5 year period. I currently have a
retention period for backups of 180Days. We are debating the scenarios -
Wondering if I can poll the list to get possible suggestions or ideas for
handling this. Some things that we have been discussing are
1) extend the retention period to 5 years and set nolimit to versions
created.. deleted etc
2) create separate mgmtclass for once a month backups with retention period
of 5 years
3) generate backupsets once a month and retain for 5 years
4) create separate TSM instance to provide 5 year retention
5) Using archive with 5 year retention
Would appreciate any ideas and potential ramifications
I currently have 180 unix and intel clients, storing 15TB onsite and 15TB
offsite. My db is approx 55GB
I am using TSM 5.1.5.4 on an IBM RS/6000 (H80 with 6cpus and 8GBs of ram)
running AIX 5.1ML03. Attached are 2 x3584 with 8 LTO fibre drives for
backups. For archive I use 3494 library (L12 and D12 with 4x3590H1a drives).
Thanks
Jose Rivera
Unix Technical Consultant
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