‎Why are my Tapes slow | DELL Technologies

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teovmy

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17 years ago

teovmy

2 Intern

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211 Posts

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January 5th, 2010 04:00

Why are my Tapes slow

We are using Networker 7.4 SP5.

Our environment consists of one Scalar24 tape drive with LTO2 drives.

Our backup data is placed on a EMC Celerra NS120 with 750 GB ATA disks.

The backup server had several ISCSI luns from which it's stage. Staging to the tape is not faster than 17 Mb/s.

What to do?

P
polska14
79 Posts
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Posted January 5th, 2010 11:00
Hi,

First, try to diagnose drives from a tool like LTT (if the tape drives are HP) or SCSI Toolbox. By this way, you can isolate HW from SW issues.

Regards.
T
teovmy
2 Intern
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211 Posts
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Posted January 6th, 2010 00:00
Indeed, I'll try that first. Thanks so far!
I
IKP1
198 Posts
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Posted January 6th, 2010 07:00
Hi,

What speeds do you get from the backup server to the tape from local disks (not the os disk) ?

IKP
T
teovmy
2 Intern
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211 Posts
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Posted January 6th, 2010 07:00
Again a great idea. I have to test this also. I come back with my findings after I tried it.