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HDS PrepsTagmaStore, Ponders Sun

Hitachi Data System's 2007 storage expansion will go beyond its NAS OEM deal with BlueArc, but just how far is anyone's guess. (See HDS, BlueArc in Big NAS Deal.)

HDS will upgrade its TagmaStore high-end SAN this year, and whispers persist that it will pluck at least one piece of Sun's storage product line. (See Sun, Hitachi Talk Storage.)

Nothing apart from the BlueArc deal has been announced, but an internal document obtained by Byte and Switch provides details of the new TagmaStore system based on HDS's Univseral Storage Platform (USP).

There are no major architecture changes in the new TagmaStore, but it will support 4-Gibt/s Fibre Channel -- likely beating EMC Symmetrix enterprise systems to the punch. The new systems will support a total internal capacity of 576 Tbytes and let customers connect up to 256 Pbytes externally. HDS will also let customers externally attach storage via FICON ports for easier migration and management for mainframe customers.

Other features include thin provisioning and improved local as well as remote replication, supporting more volumes and replication pairs than previous versions. The replication software will also support more consistency groups -- four per system residing in each data center.

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