Cluster site(s)

When sites are configured, nodes in the cluster are grouped into cluster sites. The state of the cluster sites is tracked and cluster events are generated.

Available cluster site information

Clinfo maintains the following information about a cluster site:

Site ID

The PowerHA® SystemMirror® generated ID for the site.

Site name

The site name specified when the site was created.

Site priority

Site priority determines the precedence and direction for data mirroring between sites. A cluster site can have a priority of one of the following:

Item Description
CL_SITE_PRIMARY This is the site where the application runs. Data is mirrored from this site to the backup site.
CL_SITE_SECONDARY This site serves as a backup.
CL_SITE_TERTIARY This site is mirroring data sent from the secondary site. This value is reserved for future use.

Site backup method

This is the backup communications method for the site. If a backup method is configured, it can be one of the following:

Item Description
CL_SITE_BACKUP_DBFS Dial Back Fail Safe
CL_SITE_BACKUP_SGN Serial Global Network
CL_SITE_BACKUP_NONE No backup communications are configured

Site state

The global state of the site:

Item Description
CLS_UP One or more node(s) in the site is up
CLS_DOWN All the nodes in the site are down

Site number of nodes

The number of nodes in this site.

Site node IDs

A list of node IDs that participate in this site.