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тАО10-01-2003 01:55 AM
тАО10-01-2003 01:55 AM
DLT VS80 no hw compression
OS is NT 4.0 server and the tape driver is the most recent from Hp├В┬┤s s
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тАО10-01-2003 04:20 AM
тАО10-01-2003 04:20 AM
Re: DLT VS80 no hw compression
Although you are probably getting hardware compression I would just check how much data you are backing up against how much data is on the tape.
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тАО10-01-2003 09:07 PM
тАО10-01-2003 09:07 PM
Re: DLT VS80 no hw compression
The log file says: "no compression enabled" and the total bytes backed up matches the data on the disks.
How do I check how much data actually is on the tape?
And how do I edit the configuration fil
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тАО10-01-2003 11:05 PM
тАО10-01-2003 11:05 PM
Re: DLT VS80 no hw compression
Unfortunately I can't help you with specifics because I have no experience with BAckup Exec and no real Windows experience either.
However, I suspect that the message in your log file is indicating that software compression is off, which it should be. Perhaps a good test is as follows. If your tape can hold 60GB of data, backup 70GB to a new tape and see ifyou can fit it all on.
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тАО10-02-2003 02:20 AM
тАО10-02-2003 02:20 AM
Re: DLT VS80 no hw compression
It should look like:
Tape0:0:2:0C
The C at the end of the definition implies that hardware compression is enabled. If the C is not there in the drive definition, the checkbox to enable hardware compression in the backup software will be greyed out. So just add a C at the end of your drive definition.
Kurt
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тАО10-02-2003 03:20 AM
тАО10-02-2003 03:20 AM
Re: DLT VS80 no hw compression
Can you please specify how to change the drive definition in Backup Exec 7 (windows version).
I have no idea how to do that.
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тАО10-02-2003 04:56 AM
тАО10-02-2003 04:56 AM
Re: DLT VS80 no hw compression
Sorry, I don't know Backup Exex. But I've experienced the same in Data Protector and also in TSM you've got to specify that you want to use hardware compression in the drive definition itself. So I'm extrapolating this to Backup Exec as well.
Do a search for 'compression' in the manual of Backup Exec.
Kurt
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тАО10-03-2003 12:25 AM
тАО10-03-2003 12:25 AM
Re: DLT VS80 no hw compression
As seen in the attached picture in my first post, there is no other way to enable compression than that.
Anyone else who has any ideas?
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тАО10-05-2003 11:46 PM
тАО10-05-2003 11:46 PM
Re: DLT VS80 no hw compression
The following document shows how hardware compression can be disabled / enabled for backup exec.
http://www.stompinc.com/kb/bump/237043.htm
Kurt
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тАО10-17-2003 02:43 AM
тАО10-17-2003 02:43 AM
Re: DLT VS80 no hw compression
Perhaps version 7.0 is too old for this drive?