PowerHA SystemMirror 6.1 to 7.1.3 Snapshot Migration

PowerHA SystemMirror 6.1 to 7.1.3 Snapshot Migration

Snapshot Migration From PowerHA v6.1 to v7.1.3 * Whenever we are going to perform PowerHA SystemMirror snapshot migration from 6.1 to 7.1.3. * We have to full fill the PowerHA SystemMirror migration prerequisites. * This document will be going to explain PowerHA SystemMirror snapshot migration. * First we are going discuss about PowerHA SystemMirror snapshot migration prerequisites. Snapshot Migration: * This is not real cluster concept migration. Why because customer would remove the previous version of PowerHA SystemMirror and install the new version of PowerHA SystemMirror 7.1.3.0. * Then configure…

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Rshexec: cannot connect to node NODE1

rshexec cannot connect to node NODE1

rshexec: cannot connect to node NODE1 * Normally this kind of error we are facing at the time of HACMP Cluster synchronize. * If suppose we are not resolving this issue, cluster resource groups will be going to error mode. * We will not able to solve the error resource groups. Error Message: NODE1:# smitty hacmp -> Extended Configuration -> Extended Verification and Synchronization rshexec: cannot connect to node NODE1 Could not run clfilecollection -u on node NODE1. rshexec: cannot connect to node NODE2 Could not run clfilecollection -u on…

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Clmigcheck utility rshexec cannot connect to node NODE1

ERROR: Internode communication failed, check the clcomd.log file for more information.

ERROR: Internode communication failed, check the clcomd.log file for more information. * Normally this kind of error we are facing at the time PowerHA systemMirror migration Prerequisites. * PowerHA systemMirror clmigcheck utility deducting this kind of errors. * If suppose we are not resolving this issue, we will not able to perform PowerHA SystemMirror 6.1 to 7.1 Rolling or Snapshot migration. * We can identify clmigcheck detailed output on /tmp/clmigcheck/clmigcheck.log Error Message: NODE2:# clmigcheck Saving the existing log, “/tmp/clmigcheck/clmigcheck.log”, to “/tmp/clmigcheck/clmigcheck.log.20160324_1942”. # ## One or more possible problems have been…

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ERROR: exactly one “hosts” entry is required in /etc/netsvc.conf

ERROR: exactly one “hosts” entry is required in /etc/netsvc.conf

ERROR: exactly one “hosts” entry is required in /etc/netsvc.conf * Normally this kind of error we are facing at the time PowerHA systemMirror migration Prerequisites. * PowerHA systemMirror clmigcheck utility deducting this kind of errors. * If suppose we are not resolving this issue, we will not able to perform PowerHA SystemMirror 6.1 to 7.1 Rolling or Snapshot migration. Error Message: NODE1:# clmigcheck ## One or more possible problems have been detected: ERROR: exactly one “hosts” entry is required in /etc/netsvc.conf on node “NODE1”. A value such as the following…

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ERROR: Problems encountered creating the CAA cluster. Use the syslog facility to see output from the mkcluster command.

ERROR: Problems encountered creating the CAA cluster. Use the syslog facility to see output from the mkcluster command.

ERROR: Problems encountered creating the CAA cluster. Use the syslog facility to see output from the mkcluster command. * Normally this kind of error we are facing at the time PowerHA systemMirror migration Prerequisties. * PowerHA systemMirror clmigcheck utility deducting this kind of errors. * If suppose we are not resolving this issue, we will not able to perform PowerHA SystemMirror 6.1 to 7.1 migration. Error Message: NODE2:# clmigcheck Saving the existing log, “/tmp/clmigcheck/clmigcheck.log”, to “/tmp/clmigcheck/clmigcheck.log.20160329_1758”. Running a few tests to help validate this environment. Please be patient. It appears…

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PowerHA SystemMirror communication path and the CuAt inet0 persistent hostname does not match.

PowerHA SystemMirror communication path and the CuAt inet0 persistent hostname does not match.

PowerHA SystemMirror communication path and the CuAt inet0 persistent hostname does not match. * Normally this kind of error we are facing at the time PowerHA systemMirror migration Prerequisties. * PowerHA systemMirror clmigcheck utility deducting this kind of errors. * If suppose we are not resolving this issue, we will not able to perform PowerHA SystemMirror 6.1 to 7.1 migration. Error Message: ERROR: an inconsistency has been discovered between the PowerHA SystemMirror communication path and the CuAt inet0 persistent hostname on node “NODE2” PowerHA SystemMirror Communication Path: NODE2boot CuAt inet0 Persistent…

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PowerHA SystemMirror 6.1 to 7.1.3 Rolling Migration

PowerHA SystemMirror 6.1 to 7.1.3 Rolling Migration

PowerHA SystemMirror 6.1 to 7.1.3 Rolling Migration Whenever we are going to perform PowerHA SystemMirror rolling or snapshot migration from 6.1 to 7.1.3 we have to full fill the prerequisites. This document will be going to explain how make readiness for Power HA SystemMirror migration from 6.1 to 7.1.3 First we will discuss abut PowerHA SystemMirror migration types and prerequisites. Type of PowerHA Migrations: 1. Offline Migration 2. Rolling Migration 3. Snapshot Migration Offline Migration: * In this migration bring down entire PowerHA cluster, Install/upgrade Aix operating system OS level and…

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PowerHA SystemMirror 6.1 to 7.1.3 migration Prerequisites

PowerHA SystemMirror 6.1 to 7.1.3 Migration Prerequisites

PowerHA SystemMirror 6.1 to 7.1.3 migration Prerequisites Abstract: ❖    Whenever we are going to perform PowerHA SystemMirror rolling or snapshot migration from 6.1 to 7.1.3 we have to fulfill the prerequisites. Content: ❖    This document is going to explain how make readiness for PowerHA SystemMirror migration from 6.1 to 7.1.3 I. Type of Power HA Migrations: 1. Offline Migration 2. Rolling Migration 3. Snapshot Migration  1. Offline Migration: In this migration bring down the entire PowerHA cluster nodes, Install/upgrade Aix operating system OS level and PowerHA 7.1.3 latest version. Restart the cluster service…

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Adding New File System to the existing HACMP cluster

Adding New File System to the existing HACMP cluster

In HACMP 6.1 we can dynamically Add new shared file system without down the HA Cluster & Resource group.  Note : 1. Volume Group should be shareable and enhanced concurrent capable. 2. Both the nodes having the same major number shareable volume group for HA Cluster Resource group configuration. 3. No need to down the resource group and HA cluster services. 4. Volume group must be have enough free space for File System creation. HA 6.1 Cluster Setup: We have two node HA cluster configuration. One node is node1 it…

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HACMP 6.1 Configuration Prerequisites

HACMP 6.1 Configuration Prerequisites

When ever we are going to configure IBM Power HACMP 6.1 first we need make readiness below mentioned resource details. Simple Definitions for HACMP Address Persistent IP’s: Persistent IP’s is nothing but administrator address. It’s only used for administrator purpose for Aix operating installation/ software installation and HACMP configurations etc. It is did n’t make any major changes on HACMP cluster. it is just like one IP Address we need put entry on /etc/hosts file and define into the Power HA Configuration. Boot IP Address: It is HACMP Cluster Intercommunication…

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