You might

1. Check your switch ports for auto-negotiation problems.   You can try
setting both sides to full/100, although I do not like to do this unless
it is absolutely required.    I have almost always been able to resolve
issues by making sure that both sides are set to auto.   


2. Run a tar directly to a scratch tape and make sure this is not a tape
drive problem.   In my 4 DLT8000 L80, I had a bad drive that caused similar
poor backup speed.   This was not solved until Storagetek sent out a new
DLT8000 drive.

-Jon

On Tue, 19 Nov 2002, Badinter, George wrote:

>  
> 
> I have 2 DLT L60, one with 4 LDT7000 and another with 4 DLT8000. My
> Netbackup is crawling at about 400-500K per second. I am running 4.5 MP2. I
> tried changing NET and DATA buffers parameters for Netbackup. Still slow. I
> have 6 session for 4 drives and not more than 6 session per policy. 
> 
> Thanks for your help!
> 
> George
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