Dot Hill Systems SANnet II 200 Service Manual download pdf (Page 198)

I-4 SANnet II 200 FC, SATA, and SATA SE Array Installation, Operation, and Service Manual • March 2005

I.3 Attaching the Disk Array

The simplest way to configure a disk array is to use System Administration Manager

(SAM), HP-UX’s system administration tool. If SAM is not installed on your system,

or if you prefer to use the command-line interface, the following procedures guide you

through the task. For more information, consult the HP document, Configuring HP-UX

for Peripherals:

1. Use the

ioscan command to determine what addresses are available on the HBA to

which you will be attaching the array.

2. Access the firmware application on the array and set the SCSI IDs of the host channels

you will be using.

3. Map the partitions containing storage that you want to use to the appropriate host

channels.

Partitions must be assigned to LUNs in sequential order, beginning at LUN 0.

4. Halt the operating system using the

shutdown command.

5. Turn off all power to peripheral devices and then to the server.

6. Attach one or more host channels of the FC or SATA array to the SCSI interface cards

in the host using the supplied SCSI cables.

7. Turn on the power to the FC or SATA array and all other peripheral devices. After they

are initialized, power on the server and boot HP-UX. During the boot process, the

operating system recognizes the new disk devices and builds device files for them.

8. Verify that you can see the new storage resources by running the

ioscan command.

You are now ready to use the storage.

Note – If you create and map new partitions to the array, you can have them

recognized by the operating system without rebooting. Run the

ioscan and the insf

commands to discover the resources and to create their device files.

I.4 Logical Volume Manager

The Logical Volume Manager (LVM) is a disk management system provided by HP in

all versions of HP-UX 11. The LVM allows you to manage storage as logical volumes.

This section describes some concepts used by the LVM and explains how to create

logical volumes on your SANnet II 200 Fibre Channel Array. For more detailed

information about the LVM, consult lvm(7) and the HP publication Managing Systems

and Workgroups: Guide for HP-UX System Administration (HP part number B2355-

90742).

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Dot Hill Systems SANnet II 200 Service Manual Page 198