Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Manual page 48

32 Chapter 2. Hardware Installation and Operating System Configuration
Figure 2-3. Single UPS System Configuration
Many vendor-supplied UPS systems include Red Hat Enterprise Linux applications that
monitor the operational status of the UPS system through a serial port connection. If the
battery power is low, the monitoring software initiates a clean system shutdown. As this
occurs, the cluster software is properly stopped, because it is controlled by a SysV runlevel
script (for example,
Refer to the UPS documentation supplied by the vendor for detailed installation informa-
tion.
2.5.3.1. Partitioning Disks
After shared disk storage has been set up, partition the disks so they can be used in the
cluster. Then, create file systems or raw devices on the partitions.
Use to modify a disk partition table and divide the disk into partitions. While in
parted
, use the
parted p
partitions. The following example shows how to use
Invoke from the shell using the command
•
parted
shared disk device. At the
table. The output should be similar to the following:
Disk geometry for /dev/sda: 0.000-4340.294 megabytes
Disk label type: msdos
Minor Start
Decide on how large of a partition is required. Create a partition of this size using the
•
command in
mkpart
normally requires a file system type at partition creation time.
on the disk to determine partition size; the size is the space between the end and the
/etc/rc.d/init.d/rgmanager
to display the partition table and the
(parted)
End Type
. Although the
parted
).
mkpart
parted
parted
prompt, use the to display the current partition
p
Filesystem
does not create a file system, it
mkpart
command to create new
to create a partition on disk:
and specifying an available
Flags
uses a range
parted