HP NetServer LXr Pro8 HP Netserver Mass Storage Upgrade Guide - Page 33

Con Mass Storage

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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. 29

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29
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.