Installation guide

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3 Configure Mass Storage
About RAID or Non-RAID Operation
The disk drives in the hot-swap mass storage cages can be configured in one of
two different modes:
• RAID configuration: RAID (Redundant Array of Independent Disks)
configuration can enhance performance and provide fault tolerance
(redundancy).
◊ RAID is the factory default for SCSI channels A and B on the I/O
baseboard.
◊ For more information about RAID, see the Integrated HP NetRAID
Controller Configuration Guide.
◊ Some Network Operating Systems (NOSs) cannot be installed on a
RAID logical drive.
◊ RAID configuration is described in "RAID Configuration" later in this
chapter.
• Non-RAID configuration: Non-RAID configuration (also called "JBOD"
or "Just a Bunch of Disks" configuration) is quick and easy.
◊ All NOSs supported by your HP NetServer can be installed on
non-RAID hard disk drives.
◊ Non-RAID configuration is described in "Non-RAID Configuration"
later in this chapter.
NOTE All hard disk drives connected to SCSI A and SCSI B on the
I/O baseboard must be configured in the same mode, either all
as RAID, or all as non-RAID.