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          InfoScale™ 9.0 Cluster Server Configuration and Upgrade Guide - AIX
                Last Published: 
				2025-09-09
                
              
              
                Product(s): 
				InfoScale & Storage Foundation (9.0)
                 
              
              
                Platform: AIX
              
            - Section I. Configuring Cluster Server using the script-based installer
- I/O fencing requirements
 - Preparing to configure VCS clusters for data integrity
- About planning to configure I/O fencing
 - Setting up the CP server
 
 - Configuring VCS
- Overview of tasks to configure VCS using the product installer
 - Starting the software configuration
 - Specifying systems for configuration
 - Configuring the cluster name
 - Configuring private heartbeat links
 - Configuring the virtual IP of the cluster
 - Configuring VCS in secure mode
 - Setting up trust relationships for your VCS cluster
 - Configuring a secure cluster node by node
 - Adding VCS users
 - Configuring SMTP email notification
 - Configuring SNMP trap notification
 - Configuring global clusters
 - Completing the VCS configuration
 - About the License Audit Tool
 - Verifying and updating licenses on the system
 
 - Configuring VCS clusters for data integrity
- Setting up disk-based I/O fencing using installer
 - Setting up server-based I/O fencing using installer
 - Setting up non-SCSI-3 I/O fencing in virtual environments using installer
 - Setting up majority-based I/O fencing using installer
 - Enabling or disabling the preferred fencing policy
 
 
 - Section II. Automated configuration using response files
- Performing an automated VCS configuration
 - Performing an automated I/O fencing configuration using response files
- Configuring I/O fencing using response files
 - Response file variables to configure disk-based I/O fencing
 - Sample response file for configuring disk-based I/O fencing
 - Response file variables to configure server-based I/O fencing
 - Sample response file for configuring server-based I/O fencing
 - Response file variables to configure non-SCSI-3 I/O fencing
 - Sample response file for configuring non-SCSI-3 I/O fencing
 - Response file variables to configure majority-based I/O fencing
 - Sample response file for configuring majority-based I/O fencing
 
 
 - Section III. Manual configuration
- Manually configuring VCS
- About configuring VCS manually
 - Configuring LLT manually
 - Configuring GAB manually
 - Configuring VCS manually
 - Configuring VCS in single node mode
 - Starting LLT, GAB, and VCS after manual configuration
 - About configuring cluster using VCS Cluster Configuration wizard
 - Before configuring a VCS cluster using the VCS Cluster Configuration wizard
 - Launching the VCS Cluster Configuration wizard
 - Configuring a cluster by using the VCS cluster configuration wizard
 - Adding a system to a VCS cluster
 - Modifying the VCS configuration
 
 - Manually configuring the clusters for data integrity
- Setting up disk-based I/O fencing manually
 - Setting up server-based I/O fencing manually
- Preparing the CP servers manually for use by the VCS cluster
 - Generating the client key and certificates manually on the client nodes
 - Configuring server-based fencing on the VCS cluster manually
 - Configuring CoordPoint agent to monitor coordination points
 - Verifying server-based I/O fencing configuration
 
 - Setting up non-SCSI-3 fencing in virtual environments manually
 - Setting up majority-based I/O fencing manually
 
 
 - Manually configuring VCS
 - Section IV. Upgrading VCS
- Planning to upgrade VCS
- About upgrading to VCS 9.0
 - Upgrading VCS in secure enterprise environments
 - Supported upgrade paths
 - Considerations for upgrading secure VCS 7.4.x clusters to VCS 9.0
 - Considerations for upgrading VCS to 9.0 on systems configured with an Oracle resource
 - Considerations for upgrading CP servers
 - Considerations for upgrading CP clients
 - Considerations for upgrading REST server
 - Using Install Bundles to simultaneously install or upgrade full releases (base, maintenance, rolling patch), and individual patches
 
 - Performing a VCS upgrade using the installer
- Before upgrading VCS using the script-based installer
 - Upgrading VCS using the product installer
 - Upgrading to 2048 bit key and SHA256 signature certificates
 - Tasks to perform after upgrading to 2048 bit key and SHA256 signature certificates
- Deleting certificates of non-root users after upgrading to 2048 bit key and SHA256 signature certificates
 - Re-establishing WAC communication in global clusters after upgrading to 2048 bit key and SHA256 signature certificates
 - Re-establishing CP server and CP client communication after upgrading to 2048 bit key and SHA256 signature certificates
 - Re-establishing trust with Steward after upgrading to 2048 bit key and SHA256 signature certificates
 
 - Upgrading Steward to 2048 bit key and SHA256 signature certificates
 
 - Performing an online upgrade
 - Performing a phased upgrade of VCS
- About phased upgrade
 - Performing a phased upgrade using the product installer
- Moving the service groups to the second subcluster
 - Upgrading the operating system on the first subcluster
 - Upgrading the first subcluster
 - Preparing the second subcluster
 - Activating the first subcluster
 - Upgrading the operating system on the second subcluster
 - Upgrading the second subcluster
 - Finishing the phased upgrade
 
 
 - Performing an automated VCS upgrade using response files
 
 - Planning to upgrade VCS
 - Section V. Adding and removing cluster nodes
- Adding a node to a single-node cluster
- Adding a node to a single-node cluster
 
 - Adding a node to a multi-node VCS cluster
- Adding nodes using the VCS installer
 - Manually adding a node to a cluster
- Setting up the hardware
 - Installing the VCS software manually when adding a node
 - Setting up the node to run in secure mode
 - Configuring LLT and GAB when adding a node to the cluster
 - Configuring I/O fencing on the new node
 - Adding the node to the existing cluster
 - Starting VCS and verifying the cluster
 - Adding a node using response files
 
 
 - Removing a node from a VCS cluster
- Removing a node from a VCS cluster
- Verifying the status of nodes and service groups
 - Deleting the departing node from VCS configuration
 - Modifying configuration files on each remaining node
 - Removing the node configuration from the CP server
 - Removing security credentials from the leaving node
 - Unloading LLT and GAB and removing InfoScale Availability or Enterprise on the departing node
 
 
 - Removing a node from a VCS cluster
 
 - Adding a node to a single-node cluster
 - Section VI. Installation reference
- Appendix A. Services and ports
 - Appendix B. Configuration files
 - Appendix C. Configuring LLT over UDP
- Using the UDP layer for LLT
 - Manually configuring LLT over UDP using IPv4
- Broadcast address in the /etc/llttab file
 - The link command in the /etc/llttab file
 - The set-addr command in the /etc/llttab file
 - Selecting UDP ports
 - Configuring the netmask for LLT
 - Configuring the broadcast address for LLT
 - Sample configuration: direct-attached links
 - Sample configuration: links crossing IP routers
 
 - Manually configuring LLT over UDP using IPv6
 - LLT over UDP sample /etc/llttab
 
 - Appendix D. Migrating LLT links from IPv4 to IPv6 or dual-stack
 - Appendix E. Configuring the secure shell or the remote shell for communications
- About configuring secure shell or remote shell communication modes before installing products
 - Manually configuring passwordless ssh
 - Setting up ssh and rsh connection using the installer -comsetup command
 - Setting up ssh and rsh connection using the pwdutil.pl utility
 - Restarting the ssh session
 - Enabling rsh for AIX
 
 - Appendix F. Installation script options
 - Appendix G. Troubleshooting VCS configuration
- Restarting the installer after a failed network connection
 - Cannot launch the cluster view link
 - Starting and stopping processes for the InfoScale products
 - Installer cannot create UUID for the cluster
 - LLT startup script displays errors
 - The vxfentsthdw utility fails for Active/Passive arrays when you test disks in raw format
 - The vxfentsthdw utility fails when SCSI TEST UNIT READY command fails
 - Issues during fencing startup on VCS cluster nodes set up for server-based fencing
 
 - Appendix H. Sample VCS cluster setup diagrams for CP server-based I/O fencing
 - Appendix I. Changing NFS server major numbers for VxVM volumes
 - Appendix J. Upgrading the Steward process
 
 
Sample main.cf file for CP server hosted on a single node that runs VCS
The following is an example of a single CP server node main.cf.
For this CP server single node main.cf, note the following values:
Cluster name: cps1
Node name: cps1
include "types.cf"
include "/opt/VRTScps/bin/Quorum/QuorumTypes.cf"
// cluster name:  cps1
// CP server: cps1
cluster cps1 (
					UserNames = { admin = bMNfMHmJNiNNlVNhMK, haris = fopKojNvpHouNn,
		 										"cps1.example.com@root@vx" = aj,
		 										"root@cps1.example.com" = hq }
					Administrators = { admin, haris, 
             "cps1.example.com@root@vx",
		 										"root@cps1.example.com" }
					SecureClus = 1
					HacliUserLevel = COMMANDROOT
					)
system cps1 (
					)
group CPSSG (
						SystemList = { cps1 = 0 }
      AutoStartList = { cps1 } 
						)
						IP cpsvip1 (
		          Critical = 0
												Device @cps1 = en0
												Address = "10.209.3.1"
												NetMask = "255.255.252.0"
												)
	     IP cpsvip2 (
		          Critical = 0
		          Device @cps1 = en1
		          Address = "10.209.3.2"
		          NetMask = "255.255.252.0"
		          )
						NIC cpsnic1 (
		         Critical = 0
		         Device @cps1 = en0
		         PingOptimize = 0
           NetworkHosts @cps1 = { "10.209.3.10 }
		         )
	     NIC cpsnic2 (
		         Critical = 0
		         Device @cps1 = en1
           PingOptimize = 0
		         )
      Process vxcpserv (
											PathName = "/opt/VRTScps/bin/vxcpserv"
           ConfInterval = 30
           RestartLimit = 3
           )
      Quorum quorum (
		          QuorumResources = { cpsvip1, cpsvip2 }
          		)
	cpsvip1 requires cpsnic1
	cpsvip2 requires cpsnic2
	vxcpserv requires quorum
	// resource dependency tree
	//
	//	group CPSSG
	//	{
	//	IP cpsvip1
	//	    {
	//	    NIC cpsnic1
	//	    }
 // IP cpsvip2
 //     {
 //     NIC cpsnic2
 //     }
 // Process vxcpserv
 //     {
 //     Quorum quorum
	//	    }
	//	}