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Technology Stocks : Network Appliance

NTAP 106.38

-0.4%

Nov 18 3:59 PM EST

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To: Beltropolis Boy who wrote (2143)	1/20/2000 4:45:00 PM
From: DownSouth	Read Replies (2) of 10934

chris, we have missed you. Regarding the first article you posted, Jan 19 2000 9:00AM CST Network Attached Storage Versus Storage Area Networks In the twenty-second installment of a multi-part series on storage, Wall Street City contrasts Network Attached Storage (NAS) with Storage Area Networks (SANs). wallstreetcity.com. The author has really oversimplified things to the point of having no credibility, imo. He states Network Attached Storage connects to the network instead of having a separate network devoted solely to storage. An NAS appliance is not tied to a server like SANs are because it acts like a server itself - as an appliance linked to a network by an Ethernet card. This appliance usually consists of a group of hard disk drives, a processor, and its own operating system. NAS and fibre channel are not mutually exclusive. NTAP uses FC even for simple, non-clustered configurations, substituting FC for what used to be SCSI. NTAP has a network of storage using FC. Clustered configurations have multiple NTAP filers sharing a FC network, providing alternate paths to storage for soft failover. The following statement is so wrought with errors that it doesn't deserve a response, except to say his premise is wrong: The one advantage that fibre channel currently gives SANs over NAS is performance. Because fibre channel is dedicated to storage, it currently offers higher speed than an NAS on an Ethernet network - since there are various other types of traffic on the network. Because NTAP's NAS architecture is FC based and in any case the ethernet network is not burdened by disk I/O...What is this guy thinking?

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