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тАО04-28-2004 04:19 PM
тАО04-28-2004 04:19 PM
I have encountered a problem regarding the HP MSL6060 tape library equipped with HP Ultriun 460 tape drives.(details please check the attatced file)
The problem is that the backup speed can not meet the spec. that HP indicated, ie. 30MB per second.
anyone can help me with it?
Solved! Go to Solution.
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тАО04-28-2004 05:49 PM
тАО04-28-2004 05:49 PM
Re: HP Ultrium 460 drive speed low
Kurt
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тАО04-28-2004 09:12 PM
тАО04-28-2004 09:12 PM
Re: HP Ultrium 460 drive speed low
You should NOT use tar. Please check this site.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=lpg50460
Regards,
Arend
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тАО04-28-2004 09:17 PM
тАО04-28-2004 09:17 PM
Re: HP Ultrium 460 drive speed low
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?locale=en_USтМй=English+%28US%29&pnameOID=20790&prodSeriesId=34106&prodTypeId=12169&basePartNum=co557&locBasepartNum=co-9534-2&os=HP-UX+11.x&tech=Software
If this link does not work go to the MSL6060 support page select HP-UX 11.x and find PAT.
Cheers
Peter
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тАО04-28-2004 09:28 PM
тАО04-28-2004 09:28 PM
Solution99% of all performance issues with high performance tape drives like the Ultrium 460 end up being due to the disk subsystem, drivers, OS, backup app, HBA, etc etc , i.e. not tape drive related.
Please use the excellent performance tools that we provide to benchmark the disk to memory and memory to tape speeds you can achieve on your system and have followed our performance trouble shooting guide. All of this is available at hp.com, I have included links below. These will help you identify where the bottleneck exists in your case. The performance troublshooting guide explains how to use the performance tools to identify issues.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=lpg50460&locale=en_US
http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?pnameOID=238676&locale=en_US&taskId=135&prodSeriesId=238671&prodTypeId=12169&swEnvOID=7
Cheers,
Dave Dewar