RE: Question on Tape Density, etc...

The 2.5GB 112m tape (*FMT2GB) is approx. 5.0GB with compression.
The 5.0GB 112m tape (*FMT5GB) is approx. 10.0GB with compression.
The 7.0GB 160m tape (*FMT7GB) is approx. 14.0GB with compression.


Neil Palmer         DPS Data Processing Services Canada Ltd.
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-----Original Message-----
From:   Chuck Lewis [SMTP:CLEWIS@IQUEST.NET]
Sent:   Tuesday, September 29, 1998 10:47 AM
To:     MIDRANGE-L@midrange.com
Subject:        Re: Question on Tape Density, etc...

Hi Pat !

I have been doing the init as 2.5 and the tapes say they can be 
2.5/5.0...
So I'm guessing that they are 2.5 that can be COMPRESSED to 5.0 ?

Thanks Pat 1


Pat Barber wrote:

> Chuck Lewis wrote:
> >
> As a followup on my other response:
>
> Different tapes have different densities, so, the tape you are using,
> MUST be capable of supporting the higher density.... You may be 
trying
> to
> init a tape with a lower number than you are trying to use, Ex: 4GB 
tape
> that you are trying to init at 2GB... You can normally go UP but I 
don't
> believe you can down in density....I could(and have) be wrong... but 
the
> letter is pretty clear.... The drive support 3 specific densities, 
so, I
> would use matching tapes.... remember the drive will do automatic
> compression
> so a 2.5gb tape holds 5.0gb, etc,etc....


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