Configuring the LUNs and RAID Level for the Shared Storage Subsystem

The storage system hard-diskdrives must be bound into logical unit numbers (LUNs) using the Dell OpenManage Data Supervisor or Dell OpenManage Data Administrator.

All LUNs, especially the LUN used for the Microsoft Cluster Server (MSCS) quorum resource, should be bound using a redundant array of independent disks (RAID) level to ensure high availability. See “Cluster Quorum Resource“in Chapter 6, “Configuring the System Software” for more information on the quorum resource.

NOTICE: Dell recommends that you use a RAID level other than RAID 0 for your PowerVault shared storage system. RAID 0 does not provide the level of availability required for the quorum resource. See the Installation and Troubleshooting Guide for your PowerVault storage system for more infor- mation about setting up RAID levels for the system.

Configuring Internal SCSI Hard-Disk Drives

If you have added new hard-disk drives to your cluster node or you are setting up the internal drives in a redundant array of independent disks (RAID) configuration, you must configure the RAID before you can install the operating system. For instructions on setting up the internal drives, see the appropriate small computer system interface (SCSI) controller or RAID controller documentation for your system.

RAID Level for the Internal SCSI Hard-Disk Drives

Configure the hard-disk drives using the RAID controller's basic input/output system (BIOS) configuration utility. For optimum balance of fault tolerance and performance with a limited number of drives, the recommended configuration for the internal drives is RAID 1.

NOTE: Most of the RAID hard-disk drives should be in the shared storage system.

For more information on RAID configurations, see the documentation for your specific PowerEdge RAID controller.

5-2 User’s Guide

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Dell FE100, FL100 manual Configuring Internal Scsi Hard-Disk Drives, RAID Level for the Internal Scsi Hard-Disk Drives

FL100, FE100 specifications

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