Adaptec AIC-7899 onboard - Slow Transfer
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Adaptec AIC-7899 onboard - Slow Transfer

 
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Rob M
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Posted: Fri Oct 01, 2004 4:17 am    Post subject: Adaptec AIC-7899 onboard - Slow Transfer Reply with quote
Hi,
I am using an Intel SLT2 server mainboard with an onboard dual
AIC-7899 scsi controler. Attached to the end of the scsi controler is
a Quantum SDLT 320 Drive. The problem that i am having is the nigtly
backup will run for 15-16hrs backing up 156GB to tape and Backup Exec
reports that the average tansfer rate is between 130-150mb per minute.
Is this as good as the transfer is going to get with this controller?

The data is being backed up from a Promise 3 disk RAID 5 drive
(external) attached to PCI scsi controler card - either a 2000S Ultra3
Single channel or Adaptec SCSI 29320A card.

Anyone have any suggestions for imrpoving the speed with the onboard
SCSI controller or time to buy another SCSI card?

Thanks
Rob
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