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тАО03-02-2006 09:15 AM
тАО03-02-2006 09:15 AM
StorageWorks Dat 72 problems
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тАО03-02-2006 09:43 AM
тАО03-02-2006 09:43 AM
Re: StorageWorks Dat 72 problems
One way to enable hardware compression is to run a test called the 'Compression Test' using the Library and Tape Tools Diagnostic Software that can be downloaded from
www.hp.com/support/tapetools
When you run the compression test, you will see a message that basically tells you that 'hardware compression may be disabled, would you like to enable it?' Choose 'Yes'. This is one way to do it, although it doesn't really guarantee it.
Have you also tried to stop all the backup services and restart them? Many a time this resolves the issue as well.
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тАО03-05-2006 04:03 AM
тАО03-05-2006 04:03 AM
Re: StorageWorks Dat 72 problems
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тАО03-05-2006 04:08 AM
тАО03-05-2006 04:08 AM
Re: StorageWorks Dat 72 problems
this mean that if you boot your server, after a power down, the compression is enable by default. if another backup application is then started, this application can overvrite the default setting, and set compression off.
This can explain why some time you see compression enable and some time disabled.
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тАО03-05-2006 04:10 AM
тАО03-05-2006 04:10 AM
Re: StorageWorks Dat 72 problems
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тАО03-05-2006 04:16 AM
тАО03-05-2006 04:16 AM
Re: StorageWorks Dat 72 problems
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тАО03-05-2006 04:20 AM
тАО03-05-2006 04:20 AM
Re: StorageWorks Dat 72 problems
Be sure to have a Backupexec version supporting the DAT72.
marino
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тАО03-05-2006 05:12 AM
тАО03-05-2006 05:12 AM
Re: StorageWorks Dat 72 problems
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тАО03-07-2006 12:28 AM
тАО03-07-2006 12:28 AM
Re: StorageWorks Dat 72 problems
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тАО03-07-2006 05:34 AM
тАО03-07-2006 05:34 AM
Re: StorageWorks Dat 72 problems
I was on the Veritas Support Website and found a few documents of interest. A few questions to ask you though:
1. What version of Veritas are you running
2. What do you have running for an OS?
Please click on the following link(s):
http://seer.support.veritas.com/docs/258821.htm
Document #: 258821, http://support.veritas.com/docs/258821
This document basically outlines as to how to go about enabling compression whether be it software or hardware. The document outlines as to how to enable the software compression. On the contrary we will have to make sure hardware compression is enable for optimum performance/results. So, kindly try the following:-
1. In the Backup Job Properties, click General under Settings .
2.Select Hardware (if available, otherwise software) from the Compression type drop-down list.
3. Continue with configuring the rest of the backup job, and then click Run Now.
Restart Veritas BackupExec for the changes to take effect.