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very slow backup and compare via SCSI????


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ASIP 6.3.3 on G4-400 with ATTO UL2 or 3 (it matters not) to Sony AIT2 tape loader.

 

Backing up RAID5 connected with another ATTO UL2 or 3 card.. so devices are on different scsi cards.

 

Currently seeing about 25mb/min backup and around half or less for compare.

 

When I was backing this volume over a network with OSX Server/Retrospect5 I had speeds of around 350mb/min backup and around 100mb/min for compare....has to move it off due to the inherent bugs backing up ASIP via R5..... (519 etc)

 

why is this so slow? i would expect a direct scsi connected to be far faster than n/w backup.

 

sugggestions please....

 

 

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