Re: [Networker] Slow (really slow) AIT-3 drives
2002-09-24 02:38:35
Conrad, Ben wrote:
>Backups worked very well in my test lab (library connected to a Dell pc), I
>consistently got 8-9MB/s when backing up large files. I moved the Library
>and SCSI card to our server (Dell Poweredge 2450) and the backups are
>running really slow. I didn't tweak any settings in the test environment
so
>I didn't need to do anything to the production environment.
>
>Some of my settings:
>- Paralellism on tape drives: 12
>- server paralellism: 24
>- 64-bit Adaptec 29160 in a 32-bit PCI slot (this worked great on the Dell
>PC)
>- Sony tape diagnostics have no problem talking to the drives
>- Tried both Microsoft and Adaptec drivers for the 29160
>- I "disabled" both AIT-3 drives in the w2k removeable storage manager
>- Not seeing any SCSI errors in the NT eventlog
>- Didn't tweak any settings on the 29160
>- Backups are not failing, just really slow
>
>Any ideas?
Have you checked the CPU and memory use on the server? Is something else
using the CPU in your production environment?
greetings,
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