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Slow copy to attached drive on D2D2500

T POLK
Occasional Contributor

Slow copy to attached drive on D2D2500

I have a D2D2500 with a local attached LTO-3 drive. The backup to the device is fast but i then do a copy fo the last written tape to the attached drive (72Gb tape copy takes 9 hours). I have updated firmware on D2D to ai89-002.145. Any ideas?
5 REPLIES
dex-mase
Advisor

Re: Slow copy to attached drive on D2D2500

I TPOLK, someone have reply to your problem?
I have the same problem to copy 500 GB it need 48 hours

thanks

Luigi
meloni
Honored Contributor

Re: Slow copy to attached drive on D2D2500

Try to wait 24 hours before to migrate to phisical tape.
Process are probably running on just loaded data
---------------X-------------------X--------------------X----------------X--------------
If everything is under control, you are going too slow (Mario Andretti)
T POLK
Occasional Contributor

Re: Slow copy to attached drive on D2D2500

I created a new VTL (after the upgrade) and that has seemed to help. It will run slow once in awhile. Issue isn't really fixed but at least tolerable..
Rothery Harris
Trusted Contributor

Re: Slow copy to attached drive on D2D2500

Upgrade to the latest firnware on hp.com. The version is 100.392. This should give some improvement,
T POLK
Occasional Contributor

Re: Slow copy to attached drive on D2D2500

I have it it has helped - one of the other items is to review the "best Practices" guide for the unit

http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01805012/c01805012.pdf

If there is a large amount of De-Dup then you need to wait between backup and off-load. Also turn OFF verify..