Managing HP Serviceguard for Linux, Tenth Edition, September 2012

Patches can be downloaded from HP Support Centre at http://www.hp.com/go/hpsc.

You will need the pathnames for the lock LUN as it is seen on each cluster node. On one

node, use the fdisk command to define a partition of 1 cylinder, type 83, on this LUN.

The following example illustrates the creation of a lock LUN on a partitioned disk.

Respond to the prompts as shown in the following table to set up the lock LUN partition:

fdisk <Lock LUN Device File>

Table 6 Changing Linux Partition Types

Action PerformedResponsePrompt

Create new partitionnCommand (m for help):1.

Partition affected1Partition number (1-4):2.

Set partition to type to Linux, default83Hex code (L to list codes):3.

Define first partition1Command (m for help):

Set size to 1 cylinder

Command (m for help):

Display partition datapCommand (m for help):

Write data to the partition tablewCommand (m for help):

The following example of the fdisk dialog shows that the disk on the device file /dev/

sdc is set to Smart Array type partition, and appears as follows:

fdisk /dev/sdc

Command (m for help): n

Partition number (1-4): 1

HEX code (type L to list codes): 83

Command (m for help): 1

Command (m for help): p

Disk /dev/sdc: 64 heads, 32 sectors, 4067 cylinders

Units = cylinders of 2048 * 512 bytes

Device Boot Start End Blocks Id System

/dev/sdc 1 1 1008 83 Linux

Command (m for help): w

The partition table has been altered!

Preparing Your Systems 167