HP3000-L Archives

August 1998, Week 4

HP3000-L@RAVEN.UTC.EDU

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HP-3000 Systems Discussion <[log in to unmask]>
Subject:
From:
Neil Harvey <[log in to unmask]>
Date:
Sat, 22 Aug 1998 13:53:28 +0200
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Neil Harvey <[log in to unmask]>
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After many months of DDS3 (8 drives in total), so far no failures.
This is MUCH better than our experience with DDS2.
So I give the DDS3 a thumbs-up.

Of course, I cant compare it to DLT, because we don't use DLT.

Maybe one of the backup vendors could publish a benchmark..........

Regards

Neil



> -----Original Message-----
> From: Chris Bartram [SMTP:[log in to unmask]]
> Sent: Thursday, August 20, 1998 10:44 PM
> To:   [log in to unmask]
> Subject:      DDS-3 vs. DLT? Reliability?
>
> Howdy,
>
>   Having seen all the past messages about the poor (to be kind)
> reliability
> of "DDS" (and we've replaced a few in our day also), I wonder what the
> current feeling on the latest DDS-3 drives are vs. the DLT-7000s?
>   From HP's specs, the DDS-3 sports a 300,000 mtbf, while the DLT-7000
> only
> sports 200,000 hours...? If *HP's* listing them as *less reliable*,
> should
> that tell us something?
>
>   With DLT-7000s listing for (what was it?) $13k* each(?), with 2-3
> times
> the capacity of DDS-3, and twice(? my memory fails and I don't have it
> in
> front of me at the moment) the throughput... I'm wondering if the jump
> to
> DLTs are really worth it?
>
>   Any opinions? Are *all* DDS drives just evil?
>
> *=HP List price
>
>          -Chris Bartram
>
> P.S. For any HP folks reading; the DDS2 spec sheets on the hp.com web
> site
>     have a nasty typo in throughput; I believe the "compressed"
> numbers are
>     in Mb, not Kb as listed. :-)

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