How do I check my Hacmp cluster status?

Posted on by Muna Meyer

How do I check my Hacmp cluster status?

Look for cluster events and errors in the hacmp….Monitoring cluster services on a node

  1. Cluster Manager ( clstrmgrES ) subsystem.
  2. SNMP ( snmpd ) daemon.
  3. Clinfo ( clinfoES ) Cluster Information subsystem.
  4. To view cluster services on a node, enter the fastpath smit clshow. A panel similar to following appears.

How do I check my Hacmp log?

You can view the hacmp. out log file in HTML format by setting formatting options on the Problem Determination Tools > PowerHA SystemMirror Log Viewing and Management > Change/Show PowerHA SystemMirror Log File Parameters SMIT panel.

How do I start a cluster in AIX?

You can start PowerHA SystemMirror cluster services on the node(s) without stopping your applications, by selecting an option from SMIT (System Management (C-SPOC) > PowerHA SystemMirror Services > Start Cluster Services).

What is cluster St_init?

ST_INIT: cluster is configured but not active on this node. ST_JOINING: cluster node is joining the cluster. ST_VOTING: cluster nodes are voting to decide event execution. ST_RP_RUNNING: cluster is running a recovery program. RP_FAILED: recovery program event script is failed.

What is cluster AIX?

When you create a cluster of a single node or multiple nodes, the interconnected set of nodes can leverage the Cluster Aware capabilities and services that are built into the AIX® operating system. Cluster Aware has the following capabilities: Clusterwide event management. Communication and storage events.

How do I find the cluster name in AIX?

Examples

  1. To list the cluster configuration for all nodes, enter: lscluster -m.
  2. To list the cluster configuration for the local node, enter: lscluster -s.
  3. To list the interface information for the local node, enter: lscluster -i.
  4. To list the storage interface information for the cluster, enter: lscluster -d.

What is AIX cluster?

High availability clustering for AIX® The clients send queries to the server program that responds to their requests by accessing a database, stored on a shared external disk. PowerHA SystemMirror takes measures to ensure that the applications remain available to client processes even if a component in a cluster fails.

How do I know what version of PowerHA I have?

Examples

  1. To display the PowerHA SystemMirror version, release, and modification level, enter: halevel.
  2. To display the PowerHA SystemMirror version, release, modification, and service pack level, enter: halevel -s.

How do I start a Hacmp?

8.3 Starting and Stopping Daemons in the HACMP System

  1. Enter “smitty hacmp” to open a SMIT session. #smitty hacmp.
  2. Select System Management (C-SPOC)] >> Manage HACMP Services >> Start Cluster Services.
  3. In the Start Cluster Services window, enter the field values for nodes on which cluster services are started.

What is CAA in AIX?

CAA (Cluster Aware AIX) CAA is an AIX feature that was introduced in AIX 6.1 TL6 and AIX 7.1. It helps to easily create a cluster. CAA is not used as a stand-alone package, it is used with PowerHA or with Shared Storage Pool.

What is Cthags?

The cthagsctrl control command controls the operation of the group services subsystem (cthags) under the control of the system resource controller (SRC). An instance of the group services subsystem runs on every node of a cluster. It is normally called by thecthactrl command during the creation of the cluster.

What does Hacmp stand for?

High Availability Cluster Multiprocessing
IBM PowerHA SystemMirror (formerly IBM PowerHA and HACMP) is IBM’s solution for high-availability clusters on the AIX Unix and Linux for IBM System p platforms and stands for High Availability Cluster Multiprocessing.