HP3000-L Archives

March 2001, Week 4

HP3000-L@RAVEN.UTC.EDU

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Tue, 27 Mar 2001 08:12:46 -0800
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Carl wrote:

>Truth be told the HP3000 cannot drive any tape device at more that ~5 Mb/s,
>about what the DLT4000 can handle.  The DLT8000 is rated for about 2 to 3
>times that rate.

Actually, that isn't really the case - the 3000 is capable of driving
the drives, including the DLT8000 at those rates, given that the
proper configuration and balance of hardware exists and the software
is capable of those speeds.

<plug alert>
ORBiT's Backup+ has demonstrated that it is capable of streaming
those devices on a properly configured system. In that testing,
we (verifiable by HP) were able to backup at the rate of 60gb/hr
to a single DLT! Mind you, in that case the database had highly
compressible data. But, even at 3:1 compression, that still
indicates the rate of 20gb/hr for the data stream to the DLT.
</plug alert>

The machine is absolutely capable of those speeds.

Regards,


M.

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