ExpressCluster X 3.1 for Linux Getting Started Guide - Nec

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Section II Installing ExpressCluster ...............................................................................49Chapter 3Installation requirements for ExpressCluster..............................................51Hardware ..............................................................................................................................................................52General server requirements................................................................................................................................................52Supported disk interfaces.....................................................................................................................................................52Supported network interfaces ..............................................................................................................................................53Servers supporting BMC-related functions .........................................................................................................................53Servers supporting Express5800/A1080a and Express5800/A1080aA1040a series linkage ...............................................53Software ...............................................................................................................................................................54System requirements for ExpressCluster Server..................................................................................................................54Supported distributions and kernel versions ........................................................................................................................54Applications supported by monitoring options....................................................................................................................63Operation Environment of VM resources............................................................................................................................68Operation environment for SNMP linkage functions ..........................................................................................................69Operation environment for JVM monitor............................................................................................................................70Required memory and disk size...........................................................................................................................................71System requirements for the Builder ....................................................................................................................72Supported operating systems and browsers .........................................................................................................................72Java runtime environment ...................................................................................................................................................73Required memory and disk size...........................................................................................................................................73Supported ExpressCluster versions .....................................................................................................................................73System requirements for the WebManager ..........................................................................................................74Supported operating systems and browsers .........................................................................................................................74Java runtime environment ...................................................................................................................................................74Required memory and disk size...........................................................................................................................................75System requirements for the Integrated WebManager .........................................................................................76Supported operating systems and browsers .........................................................................................................................76Java runtime environment ...................................................................................................................................................77Required memory size and disk size....................................................................................................................................77System requirements for WebManager Mobile....................................................................................................77Supported operating systems and browsers .........................................................................................................................77Chapter 4Latest version information.............................................................................79Correspondence list of ExpressCluster and a manual..........................................................................................................80Enhanced functions .............................................................................................................................................................80Corrected information .........................................................................................................................................................86Chapter 5 Notes and Restrictions ....................................................................................107Designing a system configuration ........................................................................................................................108Function list and necessary license......................................................................................................................................108Supported operating systems for the Builder and WebManager..........................................................................................108Hardware requirements for mirror disks..............................................................................................................................109Hardware requirements for shared disks..............................................................................................................................110Hardware requirements for hybrid disks..............................................................................................................................111IPv6 environment ................................................................................................................................................................112Network configuration.........................................................................................................................................................113Execute Script before Final Action setting for monitor resource recovery action ...............................................................113NIC link up/down monitor resource ....................................................................................................................................114Write function of the mirror disk resource and hybrid disk resource...................................................................................115Not outputting syslog to the mirror disk resource or the hybrid disk resource ....................................................................115Notes when terminating the mirror disk resource or the hybrid disk resource.....................................................................115Data consistency among multiple asynchronous mirror disks .............................................................................................116O_DIRECT for mirror or hybrid disk resources..................................................................................................................116Initial mirror construction time for mirror or hybrid disk resources....................................................................................116Mirror or hybrid disk connect..............................................................................................................................................116JVM monitor resources .......................................................................................................................................................116Mail reporting......................................................................................................................................................................117Requirements for network warning light .............................................................................................................................117Installing operating system...................................................................................................................................118/opt/nec/clusterpro file system.............................................................................................................................................118Mirror disks .........................................................................................................................................................................118vi
Hybrid disks........................................................................................................................................................................ 120Dependent library................................................................................................................................................................ 120Dependent driver................................................................................................................................................................. 120The major number of Mirror driver..................................................................................................................................... 121The major number of Kernel mode LAN heartbeat and keepalive drivers.......................................................................... 121Partition for RAW monitoring of disk monitor resources ................................................................................................... 121SELinux settings ................................................................................................................................................................. 121NetworkManager settings ................................................................................................................................................... 121Before installing ExpressCluster ......................................................................................................................... 122Communication port number .............................................................................................................................................. 122Management LAN of server BMC...................................................................................................................................... 123Management LAN of server BMC...................................................................................................................................... 123Changing the range of automatic allocation for the communication port numbers ............................................................. 125Clock synchronization......................................................................................................................................................... 125NIC device name................................................................................................................................................................. 125Shared disk.......................................................................................................................................................................... 125Mirror disk .......................................................................................................................................................................... 126Hybrid disk ......................................................................................................................................................................... 126Adjusting OS startup time................................................................................................................................................... 126Verifying the network settings ............................................................................................................................................ 126ipmiutil and OpenIPMI ....................................................................................................................................................... 126User mode monitor resource (monitoring method: softdog) ............................................................................................... 127Log collection ..................................................................................................................................................................... 127nsupdate and nslookup ........................................................................................................................................................ 127FTP monitor resources ........................................................................................................................................................ 128Notes when creating ExpressCluster configuration data ..................................................................................... 129Environment variable.......................................................................................................................................................... 129Force stop function, chassis identify lamp linkage.............................................................................................................. 129Server reset, server panic and power off ............................................................................................................................. 129Final action for group resource deactivation error .............................................................................................................. 130Verifying raw device for VxVM......................................................................................................................................... 131Selecting mirror disk file system......................................................................................................................................... 131Selecting hybrid disk file system ........................................................................................................................................ 131Setting of mirror or hybrid disk resource action.................................................................................................................. 132Time to start a single serve when many mirror disks are defined. ...................................................................................... 132RAW monitoring of disk monitor resources ....................................................................................................................... 132Delay warning rate.............................................................................................................................................................. 132Disk monitor resource (monitoring method TUR) .............................................................................................................. 132WebManager reload interval............................................................................................................................................... 133LAN heartbeat settings........................................................................................................................................................ 133Kernel mode LAN heartbeat resource settings.................................................................................................................... 133COM heartbeat resource settings ........................................................................................................................................ 133BMC heartbeat settings....................................................................................................................................................... 133IP address for Integrated WebManager settings.................................................................................................................. 133Double-byte character set that can be used in script comments .......................................................................................... 133Failover exclusive attribute of virtual machine group......................................................................................................... 133System monitor resource settings........................................................................................................................................ 134Message receive monitor resource settings ......................................................................................................................... 134JVM monitor resource settings ........................................................................................................................................... 135After start operating ExpressCluster.................................................................................................................... 136Error message in the load of the mirror driver in an environment such as udev ................................................................. 136File operating utility on X-Window .................................................................................................................................... 136Messages displayed when loading a driver ......................................................................................................................... 137Messages displayed for the first I/O to mirror disk resources or hybrid disk resources ...................................................... 137Messages written to syslog when multiple mirror disk resources or hybrid disk resources are used .................................. 138IPMI message...................................................................................................................................................................... 138Limitations during the recovery operation .......................................................................................................................... 139Executable format file and script file not described in manuals.......................................................................................... 139Message of kernel page allocation error.............................................................................................................................. 139Cache swell by a massive I/O ............................................................................................................................................. 140When multiple mounts are specified for a resource like a mirror disk resource.................................................................. 141Executing fsck..................................................................................................................................................................... 142Messages when collecting logs ........................................................................................................................................... 144Failover and activation during mirror recovery................................................................................................................... 144Cluster shutdown and reboot (mirror disk resource and hybrid disk resource) ................................................................... 144vii
Page 1 and 2: ExpressCluster ® X 3.1 for LinuxGe
Page 3: © Copyright NEC Corporation 2011.
Page 8 and 9: Shutdown and reboot of individual s
Page 10 and 11: ExpressCluster X Documentation SetT
Page 12 and 13: Contacting NECFor the latest produc
Page 15 and 16: Chapter 1What is a cluster system?T
Page 17 and 18: High Availability (HA) clusterShare
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Page 29 and 30: Chapter 2Using ExpressClusterThis c
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Chapter 3 Installation requirements
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Updating ExpressClusterUpdating Exp
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Chapter 6 Upgrading ExpressClusterH
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Appendix• Appendix A Glossary•
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Appendix A GlossaryNodeHeartbeatPub
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Appendix B Indexmonitorable and non
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