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Symantec 5 manual Planning to install VCS Supported software

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28Planning to install VCS Supported software

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Symantec 5 manual Planning to install VCS Supported software

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Veritas Cluster Server Installation Guide Veritas Cluster Server Installation Guide Legal NoticeSymantec Corporation Ellis Street Mountain View, CA Technical Support Contacting Technical SupportLicensing and registration Customer serviceDocumentation feedback Maintenance agreement resources Additional enterprise servicesContents Contents Chapter Configuring VCS clusters for data integrity Chapter Adding and removing cluster nodes 121171 Index 173Contents About VCS basics About Veritas Cluster ServerThis chapter includes the following topics About shared storage About multiple nodesExample of a four-node VCS cluster About LLT and GAB See About the LLT and GAB configuration files onAbout network channels for heartbeating About preexisting network partitions About VCS seedingAbout VCS features Veritas Installation Assessment ServiceAbout VCS notifications About global clustersAbout I/O fencing About VCS optional componentsYou can add the following optional components to VCS About Symantec Product Authentication Service AT See Preparing to configure the clusters in secure mode on See Installing the Java Console onAbout Cluster Manager Java Console About Veritas Cluster Server Management ConsoleAbout VCS optional components Page Hardware requirements About planning to install VCS1lists the hardware requirements for a VCS cluster Hardware requirements for a VCS cluster Required disk spaceDescription Supported operating systems Kernel ArchitectureRequired Linux RPMs for VCS RhelSupported software Planning to install VCS Supported software About preparing to install VCS Preparing to configure the clusters in secure mode1depicts the flow of configuring VCS cluster in secure mode Workflow to configure VCS cluster in secure mode Tasks Preparatory tasks to configure a cluster in secure modeThis task See About Symantec Product Authentication Service AT on Installing the root broker for the security infrastructure# ./installer Venus # vssat showalltrustedcreds Venus # vssat showprpl --pdrtype root \Creating encrypted files for the security infrastructure Venus # vssat showbrokerhashAddprpl command For example RootBroker # vssat createpkg \Performing preinstallation tasks Task Reference Obtaining VCS license keysHttps//licensing.symantec.com Setting up the private network You can use network switches instead of hubsPage Configuring SuSE network interfaces See About installing and configuring VCS onRun the command Where ethX is the interface name For example# cd /etc/sysconfig # ifconfig -a# ifconfig eth0 Setting up inter-system communication# cd /etc/sysconfig/network Accept the default location of ~/.ssh/iddsa Setting up ssh on cluster systems# ssh-keygen -t dsa Setting up shared storage See About setting up disk-based I/O fencing on# chmod 755 ~/.ssh # exec /usr/bin/ssh-agent $SHELL # ssh-addSetting the Manpath variable Setting the Path variableFor the C Shell csh or tcsh, type Optimizing LLT media speed settings on private NICs Setting the kernel.panic tunableCase of a panic, the node will reboot after 10 seconds Mounting the product disc Performing automated pre-installation check# mount -o ro /dev/cdrom /mnt/cdrom # ./installvcs -precheck galaxy nebula About installing and configuring VCS VCSExample galaxy, nebula To configure Veritas Cluster Server you needExample vcscluster27 To configure Smtp email notification optional, you need To configure VCS clusters in secure mode optional, you needVar/tmp/privatedir/roothash To configure global clusters optional, you need To configure Snmp trap notification optional, you needOptional VCS RPMs About the VCS installation program Optional features of the installvcs programVRTSvcsmn Manual pages for VCS commands See About preparing to install VCS onInteracting with the installvcs program About installvcs program command optionsInstallvcs command usage takes the following form Optional action ReferenceInstallvcs system1 system2... options Option and Syntax Description NooptionalpkgsInstalling VCS using installonly option Configuring VCS using configure optionInstalling and configuring VCS 5.0 RU3 See Configuring the basic cluster on3lists the installation and the configuration tasks Overview of tasksStarting the software installation Specifying systems for installation Start the installvcs program# ./installvcs -rsh # cd /clusterserverLicensing VCS See Checking licensing information on the system onChoosing VCS RPMs for installation Enter keys for additional product featuresChoosing to install VCS RPMs or configure VCS Starting the software configuration See Configuring VCS using configure option onSpecifying systems for configuration Configuring the basic cluster# ./installvcs -configure # cd /dvdrom/clusterserverPage Configuring the cluster in secure mode East.symantecexample.com Symantecexample.comRoot@east.symantecexample.com Root/roothashConfiguring Smtp email notification Enter the user’s name, password, and level of privilegesAdding VCS users To add a user, enter y at the promptSee Configuring Snmp trap notification on Configuring Snmp trap notification See Configuring global clusters onIf you do not want to add, answer n Verify and confirm the Smtp notification informationConfiguring global clusters Verify and confirm the Snmp notification informationInstalling VCS RPMs See Creating VCS configuration files onCreating VCS configuration files Verifying the NIC configurationStarting VCS Completing the installationSet the Persistentname for all the NICs File description VCS node authentication broker Installing the Java Console Software requirements for the Java ConsoleHardware requirements for the Java Console See Software requirements for the Java Console onInstalling the Java Console on Linux for IBM Power Installing the Java Console on a Windows systemNavigate to the folder that contains the RPMs # cd /mnt/cdrom/distarch/clusterserver/rpmsInstalling VCS Simulator Installing VCS Simulator on Unix systemsInstalling VCS Simulator on Windows systems Software requirements for VCS SimulatorReviewing the installation Verifying the cluster after installation See About verifying the VCS installation onVerifying and updating licenses on the system Checking licensing information on the systemUpdating product licenses using vxlicinst Replacing a VCS demo license with a permanent license# cd /opt/VRTS/bin # hastop -all -forceAccessing the VCS documentation To access the VCS documentationStart VCS on each node # hastartConfiguring VCS clusters for data integrity About configuring VCS clusters for data integrityAbout I/O fencing components About data disksAbout coordination points See About data disks onAbout setting up disk-based I/O fencing 1illustrates the tasks involved to configure I/O fencingWorkflow to configure disk-based I/O fencing I/O fencing configuration files include Preparing to configure disk-based I/O fencing Initializing disks as VxVM disks # fdisk -l# vxddladm listsupport all LibnamevidpidChecking shared disks for I/O fencing Identifying disks to use as coordinator disksExample specifies the CDS format Testing the shared disks for SCSI-3 Verifying that the nodes have access to the same diskSee Testing the disks using vxfentsthdw utility on See Removing permissions for communication on Testing the disks using vxfentsthdw utility# /opt/VRTSvcs/vxfen/bin/vxfentsthdw # /opt/VRTSvcs/vxfen/bin/vxfentsthdw -n If you use rsh for communicationDev/sdr Setting up disk-based I/O fencing manually Setting up coordinator disk groups# vxdg init vxfencoorddg sdx sdy sdz # vxdg -g vxfencoorddg set coordinator=onFor raw device configuration Creating I/O fencing configuration filesDeport the coordinator disk group Make a backup copy of the main.cf file Modifying VCS configuration to use I/O fencingStop VCS on all nodes Verifying I/O fencing configuration # hacf -verify /etc/VRTSvcs/conf/configStart VCS # /etc/init.d/vxfen startRemoving permissions for communication # vxfenadm -dPage About verifying the VCS installation About the LLT and GAB configuration filesGalaxy Nebula About the VCS configuration file main.cf Sample main.cf file for VCS clusters Page Sample main.cf file for global clusters ClusterAddress = Wac requires gcoip Gcoip requires csgnicApplication wac IP gcoip NIC csgnic Verifying the LLT, GAB, and VCS configuration files Verify the content of the configuration filesSee Setting the Path variable on Verifying LLT, GAB, and cluster operationVerifying LLT See Verifying the cluster onOutput on galaxy resembles Output on nebula resemblesEth1 UP Verifying GAB Output resemblesVerifying the cluster Verifying the cluster nodes Current Eth1 UP eth2 UP About adding and removing nodes Adding a node to a clusterSetting up the hardware See Adding a license key onPreparing for a manual installation when adding a node Installing VCS RPMs for a manual installation See Mounting the product disc onChecking licensing information on the system Adding a license keySLES10/ppc64, required Rpms Setting up the node to run in secure mode See Configuring LLT and GAB onSee Configuring the authentication broker on node saturn on See Setting up VCS related security configuration onConfiguring the authentication broker on node saturn Configuring LLT and GAB Setting up VCS related security configuration# /sbin/lltconfig -c On the new system, run the commandIf the file on one of the existing nodes resembles Adding the node to the existing cluster To verify GAB On the new node, run the commandAdd the new system to the cluster Removing a node from a cluster Starting VCS and verifying the clusterStop VCS on the new node Start VCS on the new nodeVerifying the status of nodes and service groups Check the status of the systems and the service groups Deleting the departing node from VCS configuration# hastatus -summary # hagrp -dep # hagrp -switch grp3 -to nebula# haconf -makerw # hagrp -unlink grp4 grp1 Save the configuration, making it read only Check the statusDelete the node from the cluster # hagrp -delete grp4Modifying configuration files on each remaining node Removing security credentials from the leaving nodeStop GAB and LLT To determine the RPMs to remove, enter# /etc/init.d/gab stop # /etc/init.d/llt stop # rpm -qa grep VrtsRemove the LLT and GAB configuration files # rm /etc/llttab # rm /etc/gabtab # rm /etc/llthostsAbout installing VCS on a single node Creating a single-node cluster using the installer programPreparing for a single node installation Starting the installer for the single node clusterTasks to create a single-node cluster using the installer See Starting the software installation onInstalling the VCS software manually on a single node Creating a single-node cluster manuallySee Licensing VCS on Set the path variableRenaming the LLT and GAB startup files Modifying the startup filesVerifying single-node operation # hastart -onenodeAdding a node to a single-node cluster Setting up a node to join the single-node cluster Installing VxVM or VxFS if necessaryConfiguring the shared storage See Setting up shared storage onDisplay the service groups currently configured Bringing up the existing nodeConfiguring LLT Freeze the service groupsStop VCS on Node a Rename the GAB and LLT startup files so they can be usedSetting up /etc/llthosts Setting up /etc/llttabLLT directives See LLT directives onLLT directives Additional considerations for LLTDirective Description Configuring GAB when adding a node to a single node cluster Reconfiguring VCS on the existing nodeReconfigure VCS on the existing nodes Starting LLT and GABVerifying configuration on both nodes Unfreeze the service groups Implement the new two-node configurationStart the VCS on Node B Verify that VCS is up on both nodesPage Preparing to uninstall VCS About the uninstallvcs programSee About adding and removing nodes on # cd /opt/VRTS/install # ./uninstallvcs Uninstalling VCS 5.0 RU3Removing VCS 5.0 RU3 RPMs Running uninstallvcs from the VCS 5.0 RU3 disc Uninstallvcs program is not available in /opt/VRTS/install Using the UDP layer for LLT When to use LLT over UDPConfiguring LLT over UDP Following checklist is to configure LLT over UDPLink command in the /etc/llttab file See Sample configuration links crossing IP routers onBroadcast address in the /etc/llttab file See Broadcast address in the /etc/llttab file onSet-addr command in the /etc/llttab file Table A-2describes the fields of the set-addr commandSelecting UDP ports Configuring the netmask for LLT# setparms ipaddress Configuring the broadcast address for LLT Sample configuration direct-attached linksFor second network interface # cat /etc/llttabUDP File for Node 1 resemblesSample configuration links crossing IP routers Figure A-2Performing automated VCS installations /etc/llttab file on Node 0 resemblesSyntax in the response file Example response fileOr, in the case of an integer value Or, in the case of a listResponse file variable definitions Table A-3 Response file variables Variable Description$CPICFGOPTLICENSE $CPICFGOPTPKGPATH $CPICFGKEYS Table A-3 See Installing and configuring VCS 5.0 RU3 on $CPICFGOPTUNINSTALL# ./installvcs -responsefile /tmp/installvcs-uui.response Index GAB RAM VCS