OES Cluster Services for Linux Administration Guide

OES Cluster Services for Linux Administration Guide

Overview of OES Cluster Services

Why Should I Use Clusters?

Benefits of OES Cluster Services

Product Features

Clustering for High Availability

Shared Disk Scenarios

What’s New or Changed for OES Cluster Services

Planning for a Cluster

Determining Your Design Criteria

Using Cluster Best Practices

Planning the LAN Connectivity

Planning the Shared Storage Connectivity

Planning the Shared Storage Solution

Planning the eDirectory Deployment

Planning for Shared Storage as Cluster Resources

Planning for OES Services as Cluster Resources

Planning for OES Cluster Services

Cluster Administration Requirements

IP Address Requirements

Volume ID Requirements

Hardware Requirements

Virtualization Environments

Software Requirements for Cluster Services

Software Requirements for Cluster Resources

Shared Disk Configuration Requirements

SAN Rules for LUN Masking

Multipath I/O Configuration Requirements

Installing, Configuring, and Repairing OES Cluster Services

OES Cluster Services Licensing

Extending the eDirectory Schema to Add Cluster Objects

Assigning Install Rights for Container Administrators or Non-Administrator Users

Installing OES Cluster Services

Configuring OES Cluster Services

Configuring Additional Administrators

Installing or Updating the Clusters Plug-in for iManager

Patching OES Cluster Services

Removing the NCS Configuration Information from a Node

Removing a Node from a Cluster

Adding a Single Node That Was Previously in a Cluster

Adding Multiple Nodes That Were Previously in a Cluster

Adding a Node After Another Node is Permanently Removed from the Cluster

Joining an OES 24.4 Cluster Node and Cluster Resource to an Active Directory Domain

Joining the Cluster Node to an Active Directory Domain

Joining the Cluster Resource to an Active Directory Domain

Verifying the Service Principals and Computer Objects

Removing the Cluster Resource from an Active Directory Domain

Upgrading OES Clusters

Requirements and Guidelines for Upgrading Clusters

Upgrading Nodes in the Cluster (Rolling Cluster Upgrade)

Configuring Cluster Policies, Protocols, and Properties

Understanding Cluster Settings

Setting Up a Personalized List of Clusters to Manage

Selecting a Cluster to Manage

Configuring Quorum Membership and Timeout Policies

Configuring Cluster Protocols

Configuring Cluster Event Email Notification

Configuring Cascade Failover Prevention

Configuring NCS to Monitor the eDirectory Daemon (ndsd)

Configuring the Cluster Node Reboot Behavior

Configuring STONITH

Viewing or Modifying the NCS Proxy User Assignment in the NCS Management Group

Viewing or Modifying the Cluster Master IP Address or Port

Moving a Cluster, or Changing the Node IP Addresses, LDAP Servers, or Administrator Credentials for a Cluster

Managing Clusters

Starting and Stopping OES Cluster Services

Taking the Cluster Down

Selecting a Cluster to Manage

Monitoring Cluster and Resource States

Responding to a Start, Failover, or Failback Alert

Viewing the Cluster Event Log in iManager

Viewing the Cluster Event Log at the Command Line

Viewing Summaries of Failed or Incomplete Events from the *.out Log Files

Generating a Cluster Configuration Report

Repairing a Cluster

Onlining and Offlining (Loading and Unloading) Cluster Resources from a Cluster Node

Cluster Migrating Resources to Different Nodes

Removing (Leaving) a Node from the Cluster

Joining a Node to the Cluster (Rejoining a Cluster)

Shutting Down OES Cluster Services When Servicing Shared Storage

Enabling or Disabling Cluster Maintenance Mode

Viewing the Cluster Node Properties

Creating or Deleting Cluster SBD Partitions

Customizing Cluster Services Management

Configuring and Managing Cluster Resources

Planning for Cluster Resources

Setting Up a Personalized List of Resources to Manage

Using Cluster Resource Templates

Creating Cluster Resources

Configuring a Load Script for a Cluster Resource

Configuring an Unload Script for a Cluster Resource

Enabling Monitoring and Configuring the Monitor Script

Applying Updated Resource Scripts by Offline/Offline, Failover, and Migration

Configuring the Start, Failover, and Failback Modes for Cluster Resources

Configuring Preferred Nodes and Node Failover Order for a Resource

Configuring Resource Priorities for Load Order

Configuring Resource Mutual Exclusion Groups

Controlling Resource Monitoring

Changing the IP Address of a Cluster Resource

Renaming a Cluster Resource

Deleting Cluster Resources, or Disabling Clustering for a Pool, LVM Volume Group, or Service

Additional Information for Creating Cluster Resources

Quick Reference for Clustering Services and Data

Configuring and Managing Cluster Resources for Shared NSS Pools and Volumes

Requirements for Creating Pool Cluster Resources

Guidelines for Using Pool Cluster Resources

Initializing and Sharing a SAN Device

Creating Cluster-Enabled Pools and Volumes

Cluster-Enabling an Existing NSS Pool and Its Volumes

Configuring a Load Script for the Shared NSS Pool

Configuring an Unload Script for the Shared NSS Pool

Configuring a Monitor Script for the Shared NSS Pool

Adding Advertising Protocols for NSS Pool Cluster Resources

Adding NFS Export for a Clustered Pool Resource

Mirroring and Cluster-Enabling Shared NSS Pools and Volumes

Renaming a Clustered NSS Pool

Renaming a Clustered NSS Volume

Renaming the Mount Point Path for a Shared NSS Volume (Using a Custom Mount Point for a Shared NSS Volume)

Changing the Name Space for a Clustered NSS Volume

Adding a Volume to a Clustered Pool

Changing an Assigned Volume ID

Expanding the Size of a Clustered Pool

Deleting NSS Pool Cluster Resources

Disabling Clustering for a Pool

Deleting and Re-Creating a Pool Cluster Resource (Disabling and Re-Enabling Clustering for a Pool)

Deleting a Clustered Pool

Configuring and Managing Cluster Resources for Shared LVM Volume Groups

Requirements for Creating LVM Cluster Resources

Initializing a SAN Device

Configuring an LVM Volume Group Cluster Resource with NSS Management Tools

Configuring an LVM Cluster Resource with LVM Commands and the Generic File System Template

Creating a Virtual Server Object for an LVM Volume Group Cluster Resource

Enabling NCP File Access for a Clustered LVM Volume

Modifying the LVM Resource Scripts for Other Services

Renaming the Mount Point Path for a Clustered LVM Volume

Renaming a Clustered LVM Logical Volume

Disabling Clustering for an LVM Volume Group and Logical Volume

Deleting a Clustered LVM Volume Group and Logical Volume

Deleting a Clustered LVM Volume (Created in NSSMU or NLVM)

Linux LVM Management Tools

Configuring OES Cluster Services in a Virtualization Environment

Prerequisites for Xen Host Server Environments

Virtual Machines as Cluster Resources

Virtual Machines as Cluster Nodes

Virtual Cluster Nodes in Separate Clusters

Mixed Physical and Virtual Node Clusters

Additional Information

Troubleshooting OES Cluster Services

Migration or Online of Resources Causes Cluster Crash

Cluster Node Crashing Issue

Unable to Manage NCS from iManager When NSS is not Installed on the Node

Cluster Service Does Not Come Up After Upgrading to OES 2018 or Later if Service Proxy is Configured

Supported SBD Signatures in Cluster Nodes with Different OES Versions

Cluster Resource Is Not Accessible After a Network Service Restart

File Location Information

Diagnosing a Poison Pill Condition

Diagnosing Cluster Problems

Master IP Address Problem

Why didn’t my resource go to the node I specified?

iManager: Error 500 Occurs while Connecting to a Cluster

iManager: Error 500 Occurs after Installing or Updating the Clusters Plug-In for iManager 2.7.5

iManager: Problems with Clusters Plug-In After Update for iManager 2.7.5

A Device Name Is Required to Create a Cluster Partition

Cluster Resource Goes Comatose After Migration or Failover

Cannot Authenticate to Remote Servers during Cluster Configuration

Cannot Connect to an iSCSI Target

Is There a way to Uninstall OES Cluster Services from a Server?

Running supportconfig Concurrently on Multiple Nodes Causes Cluster Problems

Error NFS Stale Handle Reported on Host when Cluster Failover Occurs

Error 20897 - This node is not a cluster member

Error 499 - Could not delete this resource Data_Server

Error 603 - smdr.novell is not registered with SLP for a new cluster resource

Migration Authentication Error Occurs when Connecting to a New Cluster Resource on the Target Server

Communications Errors

Connections are not Getting Established if a Cluster Resource is Migrated from OES 2015 or Later to OES 11 SP2 Node

Security Considerations

Cluster Administration Rights

Ports

Log Files

Configuration Files

Console Commands for OES Cluster Services

Cluster Management Commands

Business Continuity Clustering Commands

OES Installation extend_schema Command

DotOutParser Utility

CSMPORT Utility (Cluster Segment Manager Import/Export)

ncs-configd.py Script (Pushing Configuration Updates to All Nodes)

ncs_install.py Script (Extending the Schema, Monitoring NDSD, or Removing NCS Configuration)

ncs_ncpserv.py Script (Creating an NCP Virtual Server Object for a Clustered LVM Volume Group)

ncs_resource_scripts.pl Script (Modifying Resource Scripts Outside of iManager)

NCPCON Mount Command for NCP and NSS Volumes

Querylog Utility

Files for OES Cluster Services

Electing a Master Node

Master-Election Algorithm for OES 11 and Earlier

New Master-Election Algorithm for OES 11 SP1 and Later

Clusters Plug-In Changes for NetIQ iManager 3.2.6