Notes On Setting Up A Raid System - NEC Express5800/T120d User Manual

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Chapter 2 Preparations

1.18.2 Notes on setting up a RAID System

Note the following points when setting up a RAID System.
The number of hard disk drives required varies in each RAID level.
If the optional RAID Controller (N8103-149) is used, the RAID System cannot be built in
RAID5/RAID6/RAID50.
RAID level
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
RAID 50
Use SAS/SATA hard disk drives or SSDs that have the same capacity and rotational speed.
If you intend to install the OS to the RAID System, the process from RAID configuration to OS installation
can be easily completed by using the EXPRESSBUILDER. If you wish to install the OS manually, use a
RAID System Configuration utility (WebBIOS). The utility can be run during POST which starts
immediately after the server is turned on. For details on the procedure of configuring a Logical Drive, refer
to Chapter 2 (4. RAID System Configuration) in "Maintenance Guide" or the manual supplied with the
optional RAID Controller (N8103-149/150/151).
The minimum number of hard disk drives required to set up a RAID
N8103-149
1
2
4
• Do not change the RAID System mode to hibernate.
Important
• Build a Disk Array in the RAID System using hard disk drives that have the
same specifications (capacity, rotational speed, and standard).
Express5800/T120d User's Guide
1. Installing Internal Optional Devices
System
N8103-150/151
1
2
3
3
4
6
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