But why not just use an LTO or LTO2? 200 and 400GB tape capacity, and
lightening fast as compared to DDS.

Mitchell K. Kleinman
Executive Vice President
CCS - an IBM Premier Business Partner
949-476-0874 (Main)
949-261-3298 (Direct)
949-261-9164 (Office Fax)
425-940-1954 (eFax)
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Denys Beauchemin <[log in to unmask]>
Sent by: HP-3000 Systems Discussion <[log in to unmask]>
04/16/2003 08:31 AM
Please respond to denys


        To:     [log in to unmask]
        cc:
        Subject:        [HP3000-L] DAT72


HP has just announced the release of the latest generation DDS drive, the
DAT72, contradicting its announcement that DDS was dead
just a couple of years ago.  The last version of DDS was DDS-4 initially
released 4 years ago.

The DDS-5 drive seems to have the same throughput but somewhat higher data
density compared to the DDS-4.  The capacity is 36GB
native, 72GB with 2:1 compression.  The transfer rate remains the same as
DDS-4.  DAT72 uses a longer tape, 170 meters VS 150 meters
for DDS-4, in order to accommodate some of the extra storage.  They are
also presenting a roadmap depicting the 6th and 7th
generation of DDS drive in 2005 and 2007 respectively with rapidly
increasing capacities if not throughput.

You can read more about it at www.interex.org.

Denys

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