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420 Administering cluster functionality
Administering VxVM in cluster environments
Administering VxVM in cluster environments
The following sections describe the administration of VxVM’s cluster
functionality.
Note: Most VxVM commands require superuser or equivalent privileges.
Requesting node status and discovering the master node
The vxdctl utility controls the operation of the vxconfigd volume
configuration daemon. The -c option can be used to request cluster information
and to find out which node is the master. To determine whether the vxconfigd
daemon is enabled and/or running, use the following command:
# vxdctl -c mode
This produces different output messages depending on the current status of the
cluster node:
Note: If the vxconfigd daemon is disabled, no cluster information is displayed.
See the
vxdctl(1M) manual page for more information.
Table 13-6 Cluster status messages
Status message Description
mode: enabled: cluster active - MASTER
master: mozart
The node is the master.
mode: enabled: cluster active - SLAVE
master: mozart
The node is a slave.
mode: enabled: cluster active - role not set
master: mozart
state: joining
reconfig: master update
The node has not yet been
assigned a role, and is in the
process of joining the
cluster.
mode: enabled: cluster active - SLAVE
master: mozart
state: joining
The node is configured as a
slave, and is in the process
of joining the cluster.
mode: enabled: cluster inactive The cluster is not active on
this node.