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RAID
(redirected from Disk duplexing)

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RAID

In computing, arrays of disks are each connected to a controller that can be configured in different ways, depending on the application. RAID 1 is, for example, disk mirroring, while RAID 5 spreads every character between disks. RAID is intended to improve data security, and can also improve performance.


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The dual disk drive/controller card option results in a special type of mirroring protection called disk duplexing.
Scalability and high-availability are embedded within the HP NetServer LX Pro Series, which has a large memory and storage capacity to handle large database applications, with ECC memory scrubbing, redundant power supplies, hot-swap disks, built-in disk duplexing and server auto-restart.
OS/2 Warp Server is available in two versions: OS/2 Warp Server Version 4, which includes all of the features already mentioned and supports approximately 120 users for file and print sharing and 1,000 users for application serving; and OS/2 Warp Server Advanced Version 4, which includes the same features, plus fault tolerance (disk mirroring for two disk drives and disk duplexing for two controllers), enhanced Pentium optimization and user disk limits.
 
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