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09-06-2007, 03:17 PM #1
same file being used by 2 different processes
I have the same file coming off disk and going two different tape drives. one is migration and the other is the backup storage pool to offsite... this is a 300+gb sql db file on dlt8000 tapes. so which one should I cancel or can both be left going... the only caveat is at some point if the backup doesn't finish the morning jobs don't kick off...
09-09-2007, 11:40 PM #2
- Join Date
- Apr 2005
- Thanked 2 Times in 2 Posts
Ya know both of these jobs are TSM Admin schedules. You dont want to cancel either of them. Migration is going to be used to keep your diskpool at a certain value - pushing data to tape once it meets a certain threshold level. The backup storage pool jobs sends your data offsite.
I am curious to know where your sql db data is going - to which storage pool - disk or tape? I am assuming you are going to disk first. Or not.?
Adjust your backup storage pool admin routine earlier on in the evening - give yourself enough time to nightlies to run as before your tape handlers prepare for offsite media movement. Your migration thresholds are at your discretion.
Let us knowSteven Gabriel
Principal -SGSolutions Inc.
09-10-2007, 02:40 AM #3
- Join Date
- Feb 2007
- Brisbane, Australia
- Thanked 5 Times in 5 Posts
How do you know its the same "file" getting a "backup stgpool" and a migration at the same time? Or do you mean same stgpool?
Anyway, usually its better to let backup stgpools from disk-> tape complete first, then let migrations run after that. This way the backup stgpool can copy from disk to tape rather than having to do tape->tape. You might want to reorganise your admin schedules if you can. Generally your housekeeping will go faster this way.
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