Intel_RAID_HA_Solution_RHEL_WhitePaper

Intel® RAID High Availability Solution for Red Hat* Linux Systems White Paper Installation

Revision 1.0 Intel Confidential

 Failback – Allows you to specify whether a service in the failover domain should fail back

to the node that it was originally running on before that node failed. Circumstances

where a node repeatedly fails and is part of an ordered failover domain.

To configure a failover domain, perform the following procedure:

1. Run the following command to add a failover domain:

ccs -h host --addfailoverdomain name [restricted] [ordered]

[nofailback]

For example:

ccs -h HA02.SH --addfailoverdomain example_01 ordered

2. Add a node to a failover domain with the following command:

ccs -h host --addfailoverdomainnode failoverdomain node priority

For example:

ccs -h HA02.SH -–addfailoverdomainnode example_01 HA01.SH 1

ccs -h HA02.SH -–addfailoverdomainnode example_01 HA02.SH 2

2.9.4 Configuring Cluster Resources

Shared resources can be shared directories or properties, such as the IP address, that are tied

to the cluster. You can configure two types of resources:

 Global – Resources that are available to any service in the cluster.

 Service-specific – Resources that are available to only one service.

To add a global cluster resource, execute the following command:

ccs -h host --addresource resourcetype [resource options]

For example, the following command adds a global file system resource to the cluster

configuration file on HA02.SH. The name of the resource is example_fs, the file system device

is /dev/sda1 (is a potation on shared storage volume), the file system mountpoint is /HA, and the

file system type is ext3.

ccs -h HA02.SH --addresource fs name=example_fs device=/dev/sda1

mountpoint=/HA fstype=ext3

Create an IP address cluster resource:

ccs -h HA02.SH --addresource ip address=192.168.144.200

monitor_link=on sleeptime=1