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Technology Stocks : Ampex Corporation (AEXCA)

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To: Hal Campbell who wrote (3859)	11/20/1998 2:39:00 AM
From: Gus	Read Replies (1) of 17679

Hal, I think partitioning is a feature inherent in a helical scan recorder. Because the data rate is decoupled from tape speed, virtually all helical scan recorders contain fairly simple software logic that allows the partitioning of a cassette into up to 256 logical volumes. Probably many proprietary ways to achieve this. I don't think AXC receives royalties from its patents related to data storage, or do they? Glenn correctly pointed out the various limitations of linear tape recorders. Check out the virtual tape servers from IBM, Storagetek, and Sutmyn. VTS basically involves putting a RAID in front of the tape backup library so it can function as a disk cache AND allow the more efficient use of the tape library since the data is first compressed and arranged in logical volumes on the disk front-end before it is transferred to tape. VTS is part of IBM or Storagetek or Sutmyn's unified storage product for the largely captive mainframe market. Compaq, tho, is financing Storagetek's R&D to bring VTS to the open systems market as part of its comprehensive storage lineup. Gotta go. Later, Gus

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