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DLT VS80 problem with ArcServe 7

Angelo Poyiadjis
Occasional Visitor

DLT VS80 problem with ArcServe 7

I have installed three drives in a RAID configuration and use ArcServer as my backup software.The transfer rate is extremely slow. the drives are identified by ArcServer as DAT and not DLT.
5 REPLIES
Mollenhorst
Occasional Visitor

Re: DLT VS80 problem with ArcServe 7

I have exactly the same problem and have spend hours on searching now.
My DLT drive is identified as DAT.
I have been succesfull in changing the blocksize in ARCServe 2000. Here is an URL:


http://www.qualstar.com/pan017.pdf

But after changing ARCServe still identifies DAT in stead of DLT. Have you made progress on this one yet? I would like to hear!
Angelo Poyiadjis
Occasional Visitor

Re: DLT VS80 problem with ArcServe 7

By changing the DefaultBlockSize to 64k seems to have done the trick. The transfer rate averages between 140Mb/sec and 150 mb/sec
Mollenhorst
Occasional Visitor

Re: DLT VS80 problem with ArcServe 7

Thanks for your reaction. Does it matter that ARCServe identifies the drive as a DAT? And does this influence the maximal capacity stored on the drive?
Angelo Poyiadjis
Occasional Visitor

Re: DLT VS80 problem with ArcServe 7

No it does not matter and it does not influence the capacity.
Mollenhorst
Occasional Visitor

Re: DLT VS80 problem with ArcServe 7

Angelo,

Thanks once again for your reaction. I'm having an average of 185 MB / minute now. First i thought that this would affect the way ARCerve records its data on the tape.

kind regards,

Gerrit-Jan (typical dutch name)