HACMP TROUBLESHOOTING GUIDE PDF

Problem determination PowerHA / HACMP. Collect logs: clsnap -d ‘/tmp’ -p2 -n ‘ node1,node2’. or. snap -e. If cspoc pb: /tmp/ <= more details. Hi, I have a running HACMP Cluster with two nodes. Its working in also check out this troubleshooting guide. Checking the TCP/IP Subsystem. This is the basic requirement for HACMP cluster configuration. The verification Which are the HACMP log files available for troubleshooting?.

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Also for all the resource groups on the Active node please specify the passive node as the next node in the priority to take over in the event of failure of active node. When checking this file, first find the most recent error message associated with your problem.

Can multiple Service IP addresses be configured on single Ethernet cards? The verification process does not allow the IP addresses to be in same subnet and cluster will not start. Newer Post Older Post Home.

Service IP issue in HACMP, Working with only one node

Understanding the system error log The PowerHA SystemMirror software logs messages to the system error log whenever a daemon generates a state message. Many error messages cascade from an initial error that usually indicates the problem source. The following sections describe the types of messages output by the PowerHA SystemMirror software and the log files into which the system writes these messages.

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The Volume mounted over NFS protocol is a file system for AIX, and since disk device is required for Enhanced concurrent capable volume group for disk heartbeat the NFS file system cannot be used for configuring the disk heartbeat.

The system cycles hacmp.

Guide to IBM PowerHA SystemMirror for AIX Version 7.1.3

Hence one can have separate Resource groups which will own each Oracle instance. For instance, the hacmp. When viewed as a group, the log files provide a detailed view of all cluster activity.

These messages provide valuable information for understanding the current state of the cluster. Posted by Vineet at 7: For this one needs to have separate Service IP addresses over which the listeners for every Oracle Database will run. Each copy is identified by a number appended to the file name. Following are log files which can be used for troubleshooting: This configuration will be useful if there is a failure of single Oracle Database instance on one node to be failed over to another node without disturbing other running Oracle instances.

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Reviewing cluster message log files The PowerHA SystemMirror software writes the messages it generates to the system console and to several log files.

Using cluster log files. The hostname cannot have following characters: Then read back through the log file to the first message relating to that problem. Each log file contains a different subset of messages generated by the PowerHA SystemMirror software.

Guide to IBM PowerHA SystemMirror for AIX Version [Book]

The event summaries included in this log troubleshootimg it easier to see quickly what events have occurred recently in the cluster. Resource group handling has been enhanced in recent releases and the hacmp. The individual logs are limited to a maximum size and are removed after they reach a certain age, or are overwritten by newer versions.