Compaq ProLiant 4000 SMART-2DH Array Controller Reference Guide - Page 159
Online Spare, Auto Reliability Monitoring, Interim Data Recovery,
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D-26 Understanding Drive Arrays Compaq recommends using hardware-based fault tolerance instead of software-based fault tolerance. Hardware-based fault tolerance provides a much more robust and controlled environment for fault tolerance protection. If you choose software-based drive mirroring, create at least two arrays with RAID 0 to achieve maximum storage capacity. Then, when configuring the drive mirroring through the OS, mirror logical drives residing in different arrays. In addition, the following fault-tolerant features will not be available: Online Spare, Auto Reliability Monitoring, Interim Data Recovery, and Automatic Data Recovery. Proceed to Chapter 5 to set up your drive array(s) and fault tolerance. Writer: Pamela King Project: SMART-2DH Array Controller Reference Guide Comments: 295469-002 File Name: K-APPD.DOC Last Saved On: 2/27/98 12:06 PM COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED