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EMC Fibre Channel Storage-System Configuration Planning
Planning File Systems and LUNs with Shared Switched Storage
RAID type of LUN. This is the RAID Group type you want for this
partition, file system, or logical volume. The features of RAID types
are explained in Chapter 2. For a RAID 5, RAID 1, RAID 1/0, and
RAID 0 Group, you can create one or more LUNs on the RAID
Group. For other RAID types, you can create only one LUN per RAID
Group.
LUN ID. The LUN ID is a hexadecimal number assigned when you
bind the disks into a LUN. By default, the ID of the first LUN bound
is 0, the second 1, and so on. Each LUN ID must be unique within the
storage system, regardless of its Storage Group or RAID Group.
The maximum number of LUNs supported on one host-bus adapter
depends on the operating system.
Disk space required (Gbytes). Consider the largest amount of disk
space this application will need, then add a factor for growth.
Server hostname and operating system. Enter the server hostname
(or, if you don’t know the name, a short description that identifies the
server) and the operating system name, if you know it.
LUN and Storage Group Planning Worksheet
Use the following worksheet to select the disks that will make up the
LUNs and Storage Groups in the SAN. A shared storage system can
include up to 100 disks, numbered 0 through 99, left to right from the
bottom up.