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Adaptec adapts to enterprise server market with 5400s.


Adaptec has begun shipping its SCSI SCSI
 in full Small Computer System Interface

Once common standard for connecting peripheral devices (disks, modems, printers, etc.) to small and medium-sized computers. SCSI has given way to faster standards, such as Firewire and USB.
 RAID 5400S, a high-performance four-channel Ultra160 SCSI RAID card that better equips the white box industry to win business in an increasingly competitive server market. Previously available only to original equipment manufacturers, it takes aim at the fast-growing market for enterprise servers with advanced features that include the ability to use the full capacity of various-sized disk drives in a RAID array.

Part of Adaptec's "RAID Everywhere" initiative--designed to accelerate the widespread adoption of RAID in the PC-server / high-end PC markets, in order to provide customers higher levels of data protection and greater speeds of information exchange in support of their business strategies--the 5400S combines high performance with a number of advanced features to deliver optimum storage flexibility for enterprise servers. The controller uses the full capacity of all disk drives when drives of different sizes are mixed in a RAID array, allowing system integrators to upgrade their customers' arrays with higher-capacity drives without wasting space.

The 64-bit, four-channel controller supports RAID 0, 1, 0/1, 5, 0/5, and JBOD (Just a Bunch Of Disks) A group of hard disks in a computer that are not set up as any type of RAID configuration. They are just a bunch of disks.

JBOD - Just a Bunch Of Disks
 and up to 60 SCSI drives. The card's hardware features include an expandable cache with 128MB of memory, a battery backup See UPS.  module, and a dedicated Adaptec XOR (eXclusive OR) A Boolean logic operation that is widely used in cryptography as well as in generating parity bits for error checking and fault tolerance. XOR compares two input bits and generates one output bit. The logic is simple. If the bits are the same, the result is 0.  engine that sharply improves write performance in RAID 5 applications. New high-end features such as RAID-level migration and Online Capacity Expansion allow fault-tolerance settings to be reconfigured without rebooting and the size of storage arrays increased.

With the addition of the 5400S, Adaptec's Ultra160 SCSI RAID solutions now span the workstation to enterprise server markets. The family includes the SCSI RAID 2110S, a 64-bit/66MHz (MegaHertZ) One million cycles per second. It is used to measure the transmission speed of electronic devices, including channels, buses and the computer's internal clock. A one-megahertz clock (1 MHz) means some number of bits (16, 32, 64, etc.  single-channel, low-profile card for workstations and entry-level pedestal and rackmount servers and the SCSI RAID 3210S and 3410S, highly scalable, high performance two- and four-channel 64-bit/66MHz products, respectively, for midrange conventional and rackmount servers. The ATA RAID Using ATA (IDE) drives in a high-performance and/or fault tolerant configuration. See RAID.  1200A and 2400A, two- and four-channel products, respectively, for workstations and entry-level servers, are also part of the bloodline blood·line
n.
The direct line of descent; a pedigree.
. The product line also includes the SCSI RAID 2000S and 2005S zero channel controllers aimed at the high-density server market.

For further information call Adaptec, Inc. at (408) 957-2550, or visit their website at:

www.adaptec.com
COPYRIGHT 2002 West World Productions, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2002, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Title Annotation:Server & PC
Author:Schultz, Nick
Publication:Computer Technology Review
Date:Feb 1, 2002
Words:363
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