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Technology Stocks : The New QLogic (ANCR) -- Ignore unavailable to you. Want to Upgrade?

To: Neil S who wrote (21411)	4/18/1999 12:29:00 PM
From: Neil S	Respond to of 29386

Phased in SAN deployment timeframe predicted. This seems generally consistent with Ken Hendrickson's latest public version of when not if. [Note Datalink is a Brocade partner.] entmag.com <<"The industry is in phase one and maybe just beginning phase two of SAN deployment," observes Scott Robinson, vice president of engineering at Datalink (www.datalink.com), a storage-solutions provider. Phase one, he explains, consists of organizations replacing their attached SCSI disk drives and arrays with Fibre Channel counterparts. This gives the organization greater storage bandwidth and distance as storage devices can be placed farther from the server than is possible with SCSI. Phase one, however, is not a SAN because the storage is still attached to one server. In phase two, organizations separate the storage from the server and place it on its own subnetwork behind a hub or switch. The subnetwork may also support NT server clusters or a mixed set of servers and tape devices. Organizations can then implement a variety of failover and backup strategies. All this happens on the SAN without impacting the primary corporate network. The industry will be moving into phase three by 2000, Robinson predicts, as SAN technology becomes mainstream. In phase three, organizations will be able to move files directly from the disk to the backup tape without having to go through a server. Organizations also will be able to initiate flexible and highly dynamic switching strategies that allow different servers to access different data depending upon the circumstances.>> <<By 2000, all the pieces should come together: interconnect hardware, software, switches and hubs, Windows 2000, high-availability clusters and the fiber fabric. At that point, SAN will become as routine as SCSI disk arrays are today.>>