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Very Slow STGPOOL BACKUP

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Hello everyone,

I have a a problem backing up a primary stgpool (PRPOOL) to a copy pool (CPPOOL).
In fact the process fails due to the high number of unavailable tapes that are required for the backup. (I am forced to check out tapes to make room since the library became full)

TSM backs up less than 10% of the PRPOOL's data in about 6 hours before failing everyday.

I will get the library's slots full Cod soon, so I will have room to check in the unavailable tapes required, but the problem I will face is that the stgpool backup will take days to complete, and will monopolise the library's resources

Any suggestion or work around to deal with this situation will be appreciated. thank you guys

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