Compaq TruCluster Server
Contents
1. Device Description KGPSA BC PCI to Fibre Channel host adapter KGPSA CA PCl to Fibre Channel host adapter DS DSGGA AA AB 8 16 port Fibre Channel switch DS DSGGB AA AB 8 16 port Fibre Channel switch DS DSGGC AA AB 8 16 port FC switch DS SWXHB 07 T port FC hub HSG60 Array Controller HSG80 Array Controller HSG60 and HSG80 controllers may be contained in many cabinet configurations including MA6000 RA8000 MA8000 ESA12000 EMA12000 and EMA16000 Supported SCSI Controllers The systems are connected to shared SCSI buses using an adapter from the following list The TruCluster Server Cluster Hardware Configuration manual and Release Notes provide more information regarding SCSI controller configuration respectively e KZPSA PCI to Fast Wide Differential SCSI 2 adapter e KZPBA CB PCI to UltraSCSI wide differential adapter Supported SCSI Signal Converters TruCluster Server supports the following SCSI signal converters The TruCluster Server Hardware Configuration manual provides information regarding supported SCSI signal converters configuration Signal Converter Description DWZZA AA Standalone unit single ended narrow to differential narrow DWZZA VA SBB single ended narrow to differential narrow DWZZB AA Standalone unit single ended wide to differential wide DWZZB VW SBB single ended wide to differential wide DS DWZZH 03 UItraSCSI hub DS DWZZH 05 UItraSC2. 128669 B22 MiniLibrary Expansion Unit 120877 B21 MiniLibrary Data Unit 128670 B21 N A 349350 B27 1 DS TL89X UA 349351 B21 e TL896 DLT Automated Tape Library DS TL896 BA e ESL9326D Enterprise Library Number of Drives 6 3 Part Number 0 146205 B21 6 146205 B23 M U G DA 10514 World Wide Version 7 July 10 2001 146205 B24 13 10 Qu ck Spe CS Compaq TruCluster Server DA 10514 Co SM OD En Can be expanded to two TZ89N AV drives with part number DS TL892 UA A DS TL890 NE NG MiniLibrary Expansion Unit can be connected to up to three DS TL891 NE NG drive units to manage the drives and cartridges in all connected units A DS TL800 AA pass through mechanism is required for the second and third DS TL891 NE NG Can be expanded to two DLT 35 70 drives with part number 120878 B21 The MiniLibrary Expansion Unit can be used to control the drives and cartridges of up to five drive and data units A MiniLibrary Pass Through Mechanism part number 120880 B21 is needed for each additional unit beyond the first drive unit Can be expanded to two DLT 20 40 drives with part number 128671 B21 An upgrade kit to add one DS TZ89N VA tape drive An upgrade kit to add one 35 70 DLT tape drive Can be upgraded by one 35 70 DLT tape drive with part number 146209 B21 World Wide Version 7 July 10 2001 14 Qu ck Sp e CS Compaq TruCluster Server HARDWARE REQUIREMENTS continu
3. client connections are dynamically distributed among multiple service instances according to administrator provided metrics COMPAQ DA 10514 World Wide Version 7 July 10 2001 1 Qu ck Sp e CS Compaq TruCluster Server OVERVIEW continued Description continued TruCluster Server supports a variety of hardware configurations that are cost effective and meet performance needs and availability requirements Hardware configurations can include different types of systems and storage units and can be set up to allow easy maintenance In addition administrators can set up hardware configurations that allow the addition of a system or storage unit without shutting down the cluster For the fastest communication with the lowest latency use the PCI based Memory Channel cluster interconnect for communication between cluster members TruCluster Server Version 5 1A also supports the use of 100 Mbps Ethernet hardware as a private LAN cluster interconnect All cluster members must all use Memory Channel or all must use 100 Mbps LAN but these interconnects cannot be mixed for cluster communication in the same cluster Using multiple shared buses and redundant Memory Channel or LAN interconnect hardware promotes no single point of failure NSPOF characteristics for mission critical applications FEATURES TRUCLUSTER SERVER V5 1A A TruCluster Server cluster acts as a single virtual system even though it is made up of multiple systems Clu
4. co11gui a graphical front end and c ilt which allows completely arbitrary extraction of data from the output of collect to standard output co11gui is a laborsaving tool that allows a user to quickly analyze collect data The Performance Manager metrics server pmgrd is a UNIX daemon process that provides general UNIX performance metrics on request The pmgrd metrics server supports the extensible Simple Network Management Protocol SNMP agent mechanism eSNMP Cluster MIB TruCluster Server supports the Compaq Common Cluster MIB The Compaq Insight Manager uses this Cluster MIB to discover cluster member relationships and to provide a coherent view of clustered systems across supported platforms Highly Available NFS Server When configured as an NFS server a TruCluster Server cluster can provide highly available access to the file systems it exports There are no special cluster management operations required to configure the cluster as a highly available NFS server In the event of a system failure another cluster member will become the NFS server for the file system transparent to external NFS clients NFS file locking is supported as are both NFS V2 and V3 with UDP and TCP TruCluster Server allows NFS file systems to be served from the cluster through both the default cluster alias and alternate aliases Alternate cluster aliases can be defined to limit NFS server activity to those members that are actually connected to the storage t
5. Software Licensing TruCluster Server is licensed as a standard Compaq software layered product and is provided only under a license Each system in the TruCluster Server environment requires separate Tru64 UNIX and TruCluster Server licenses Hard partitions of GS80 GS160 and GS320 can be clustered together either across separate systems or within systems and only one TruCluster license is required per system For more information about the Compaq licensing terms and policies contact your local Compaq representative or reseller This product supports the Tru64 UNIX License Management Facility LMF License units for the TruCluster Server product are allocated on an unlimited System use basis For more information on the License Management Facility see the Tru64 UNIX Operating System QuickSpec or the Tru64 UNIX operating system documentation Distribution Media TruCluster Server is a separately licensed product and is distributed on the Tru64 UNIX Associated Products Volume 2 CD ROM The TruCluster Documentation is available on line at http www tru64unix compaq com docs Saera IER Po A variety of service options are available from Compaq For more information contact your local Compaq service representative DA 10514 World Wide Version 7 July 10 2001 6 Qu ck Sp e CS Compaq TruCluster Server OPTIONAL SOFTWARE Compaq Advanced Server for UNIX ASU Compaq Advanced Server for UNIX ASU provides Windows network
6. in a controlled and orderly fashion The upgrade procedure allows the monitoring of the status of the upgrade while it is in progress Clients accessing services are not aware that a rolling upgrade is in progress See the Cluster Installation manual for recommended and supported paths to upgrade or roll to the latest version of TruCluster Server Cluster Management The SysMan system management utilities provide a graphical view of the cluster configuration and can be used to determine the current state of availability and connectivity in the cluster The administrator can invoke management tools from SysMan allowing the cluster to be managed locally or remotely Clusterwide signaling allows applications to send UNIX signals to processes operating on other members Performance Management The performance management capability of Tru64 UNIX has been modified from one large performance management tool pmgr to several smaller and more versatile tools The performance management tool suite consists of Collect Collgui and the two SNMP agents pmgrd and clu mibs Collect is a tool that collects operating system and process data under Compaq Tru64 UNIX Versions 4 x and 5 x Any subset of the subsystems Process Memory Disk LSM Volumes Network CPU Filesystems and Header can be defined for which data is to be collected Collect is designed for high reliability and low system resource overhead Accompanying collect are two highly integrated tools
7. independent of which cluster node is responding to cluster alias ARP requests This permits faster failover when a new node assumes responsibility for responding to cluster alias ARP requests Cluster Application Availability Facility The cluster application availability CAA facility delivers the ability to deploy highly available single instance applications in a cluster by providing resource monitoring and application relocation failover and restart capabilities CAA is used to define which members can run a service the criteria under which to relocate a service and the location of an application specific action script Monitored resources include network adapters tape devices media changers and applications CAA allows services to manage and monitor resources by using entry points within their action scripts Applications do not need to be modified in any way to utilize CAA DA 10514 World Wide Version 7 July 10 2001 2 Qu ck Sp e CS Compaq TruCluster Server FEATURES TRUCLUSTER SERVER V5 14A continued Rolling Upgrade TruCluster Server allows rolling upgrade from the previous version of the base operating system and the TruCluster software to the next subsequent release of the base operating system and TruCluster software It also allows the rolling of patches into the cluster Updating the operating system and cluster software does not require a shutdown of the entire cluster A utility is provided to roll the cluster
8. is located in the cluster Member private storage and clusterwide shared storage are equally accessible to all cluster members Using either standard UNIX file locks or the distributed lock manager DLM an application can synchronize clusterwide access to shared resources maintaining data integrity TruCluster Server is an efficient and reliable platform for providing services to networked clients To a client the cluster appears to be a powerful single server system a client is impacted minimally if at all by hardware and software failures in the cluster TruCluster Server simplifies the mechanisms of making applications highly available A cluster application availability CAA facility records the dependencies of and transparently monitors the state of registered applications If a hardware or software failure prevents a system from running a service the failover mechanism automatically relocates the service to a viable system in the cluster which maintains the availability of applications and data Administrators can manually relocate applications for load balancing or hardware maintenance TCP based and UDP based applications can also take advantage of the cluster alias subsystem These applications depending on their specific characteristics can run on a single cluster member or simultaneously on multiple members The cluster alias subsystem routes client requests to any member participating in that cluster alias During normal operations
9. FS are supported for read access only For higher performance applications can use direct I O through the file system to bypass the buffer cache Device Request Dispatcher The device request dispatcher supports clusterwide access to character and block disk devices and to tape and tape changer devices All local and remote cluster disk and tape I O passes through the device request dispatcher A member does not need a direct connection to a disk or tape or tape changer device to access data on that device This permits great flexibility in selecting a hardware configuration that is both economical and useful Cluster Alias A cluster alias is an IP address that makes the cluster look like a single system to clients and other hosts on the network Cluster aliases free clients from having to connect to specific members for services If the member providing the service goes down a client reconnects to another member elected by the Cluster alias to provide the service With applications that run concurrently on multiple members scaling is achieved by permitting multiple clients to connect to instances of the service on multiple cluster members each using a cluster alias to address the service The cluster alias subsystem provides an optional virtual MAC vMAC address that can be associated with each cluster alias IP address When configured the same MAC address is used in all Address Resolution Protocol ARP responses for the cluster alias address
10. KGPSA MC2 100 Mbps LAN AlphaServer ES40 KZPBA KGPSA MC2 100 Mbps LAN AlphaServer GS60 GS60E KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer GS80 KZPBA KGPSA CA MC2 100 Mbps LAN AlphaServer GS140 KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer GS160 KZPBA KGPSA CA MC2 100 Mbps LAN AlphaServer GS320 KZPBA KGPSA CA MC2 100 Mbps LAN Notes members using a private 100 MB full duplex LAN Note that there are two variants of Memory Channel MC World Wide Version 7 July 10 2001 Qu ck Sp e CS Compaq TruCluster Server SUPPORTED SYSTEMS AND CLUSTER INTERCONNECT HARDWARE REQUIREMENTS continued Supported Memory Channel Hardware MC 1 amp 1 5 MC2 Description CCMAA AA or CCMAA BA CCMAB AA PCI Adapter CCMHA AA CCMHB AA Hub CCMLA AA CCMLB AA Line Card N A BN39B 04 4 meter Cable BC12N 10 10 foot copper cable BN39B 10 10 meter Cable BN39B 01 one meter Connects MC adapter to CCMFB optical converter CCMFB AA Fibre Optics Converter BN34R 10 10 meter Fibre optic cable Connect one optical converter to another BN34R 31 31 meter Fiber optic cable Connect one optical converter to another Memory Channel configuration notes e Atleast one Memory Channel adapter must be installed in a PCI slot in each member system One or more link cables is required to connect systems to each other or to a hub A cluster environment with two nodes does not req
11. Qu ck Sp e CS Compaq TruCluster Server PRODUCT NAME Compaq TruCluster Server V5 1A OVERVIEW Description Compaq TruCluster Server Version 5 1A for Compaq Tru64 UNIX Version 5 1A the latest in the new generation in the TruCluster product line from Compaq provides highly available and scalable solutions for mission critical computing environments TruCluster Server delivers powerful but easy to use UNIX clustering capabilities By combining the advantages of symmetric multiprocessing SMP distributed computing and fault resilience a cluster running TruCluster Server offers high availability while providing scalability beyond the limits of a single system On a single system server a hardware or software failure can severely disrupt a client s access to critical services In a TruCluster Server cluster a hardware or software failure on one member system results in the other members providing these services to clients By extending single system management capabilities to clusters TruCluster Server reduces the effort and complexity of cluster administration It provides a clusterwide namespace for files and directories including a single root file system that all cluster members share A common cluster address cluster alias for the Internet protocol suite TCP IP makes the cluster appear as a single system to its network clients while load balancing client connections across member systems A single system image allows a c
12. SI hub Supported SCSI Cables TruCluster Server supports the following SCSI cables Device Description BN21W 0B SCSI 2 Cable Y BN21R or BN23G SCSI 2 Cable A BN21K BN21L or 328215 00X SCSI 3 Cable P BN21M 50 pin LD to 68 pin HD BCO6P or BC19J 50 pin LD Cable BN38C BN38D or BN38E VHDCI to HD68 cable BN37A Ultra VHDCI Cable BN37B VHDCI to HD68 cable BN21M 50 pin LD to HD68 cable 199629 002 or 189636 002 50 pin HD to 68 pin HD 146745 003 or 146776 003 50 pin HD to 50 pin HD 189646 001 or 189646 002 68 pin HD BN38E 0B HD668 to VHDCI technology adapter cable DA 10514 World Wide Version 7 July 10 2001 10 QuickSpecs Compaq TruCluster Server HARDWARE REQUIREMENTS Supported Terminators and Connectors TruCluster Server supports the following terminators and connectors Device Description H879 AA or 330563 001 HD68 terminator H885 AA HD68 tri link connector H8861 AA VHDCI tri link connector H8863 AA VHDCI terminator H8574 A 50 pin LD terminator H8860 A 50 pin LD terminator 341102 001 50 pin HD terminator 152732 001 VHDCI 68 pin LVD terminator Supported Disk Devices Every SCSI and Fibre Channel storage disk currently sold by Compaq that appears in the supported options list for a supported AlphaServer are supported for use in a cluster on a shared bus Some legacy disk devices are not supporte
13. access to the current and emerging de facto standard software development tools for parallel applications while supporting portability of existing applications without source code changes Note to users of the Memory Channel API V1 6 product on Tru64 UNIX Version 4 0 On Tru64 UNIX V5 the TruCluster Memory Channel Software V1 6 product is bundled as a feature of TruCluster Server V5 To run the Memory Channel API library on Tru64 UNIX version 5 1A you must install a TruCluster Server license to configure a valid TruCluster Server cluster DA 10514 World Wide Version 7 July 10 2001 4 Qu ck Sp e CS Compaq TruCluster Server FEATURES TRUCLUSTER SERVER V5 14A continued Connection Manager The connection manager is a distributed kernel component that ensures that cluster members communicate with each other and enforces the rules of cluster membership The connection manager forms a cluster and adds and removes cluster members It tracks whether members in a cluster are active and maintains a cluster membership list that is consistent on all cluster members Support for Fibre Channel Solutions TruCluster Server supports the use of switched Fibre Channel storage and Fibre Channel Arbitrated Loop Fibre Channel provides the following benefits over parallel SCSI storage e Greater performance e Greater scalability e More reliability serviceability and availability Fibre Channel can be used for clusterwide shared stora
14. based file system provides flexibility compatibility high availability and high performance for files and filesets up to 16 terabytes TB Administrators can add remove reconfigure tune and defragment files and back up storage without unmounting the file system or halting the operating system By supporting multivolume file systems AdvFS enables file level striping to improve file transfer rates and integrates with the functionality provided by the Logical Storage Manager LSM A graphical user interface simplifies management tasks to dynamically resize file systems load balance undelete files and clone files for hot backup The AdvFS Utilities is a separately licensed software product for Tru64 UNIX See the AdvFS Utilities QuickSpec for more information Logical Storage Manager LSM The Tru64 UNIX Logical Storage Manager LSM is an integrated host based solution to data storage management Concatenation striping mirroring hot sparing and a graphical user interface allow data storage management functions to be done online without disrupting users or applications LSM manages storage as a single entity in both cluster and single node environments LSM is a separately licensed software product for Tru64 UNIX For more information see the Logical Storage Manager QuickSpec StorageWorks Software The StorageWorks Software package includes the licenses for Tru64 UNIX Logical Storage Manager and the Advanced File System Utilit
15. cking another process requesting the resource An application can also use DLM routines to efficiently coordinate the application s activities within the cluster Support for Memory Channel API TruCluster Server provides a special application programming interface API library for high performance data delivery over Memory Channel by giving access to Memory Channel data transfer and locking functions This Memory Channel API library enables highly optimized applications that require high performance data delivery over the Memory Channel interconnect This library is supported solely for use with Memory Channel High performance within the cluster is achieved by providing user applications with direct access to the capabilities of the Memory Channel For example a single store instruction on the sending host is sufficient for the data to become available for reading in the memory of another host The Memory Channel API library allows a programmer to create and control access to regions of the clusterwide address space by specifying UNIX style protections Access to shared data can be synchronized using Memory Channel spin locks for clusterwide locking The Memory Channel API library facilitates highly optimized implementations of Parallel Virtual Machine PVM Message Passing Interface MPI and High Performance Fortran HPF providing seamless scalability from SMP systems to clusters of SMP machines This provides the programmer with comprehensive
16. d for use on a shared bus TruCluster Server supports the following list of disk devices on shared storage Any SCSI or Fibre Channel storage disk manufactured by Compaq later than the ones in the following list and appearing in the supported options list for a supported AlphaServer are supported e RZ26 VA Narrow e RZ26L VA Narrow e RZ26L VW Wide e RZ26N VA Narrow e RZ26N VW Wide e RZ28 VA Narrow e RZ28 VW Wide e RZ28B VA Narrow e RZ28D VA Narrow e RZ28D VW Wide e RZ28L VA Narrow e RZ28L VW Wide DA 10514 World Wide Version 7 July 10 2001 e RZ28M VA Narrow e RZ28M VW Wide e RZ29 VA Narrow e RZ29 VW Wide e RZ29B VA Narrow e RZ29B VW Wide e RZ29L VA Narrow e RZ29L VW Wide e RZ40 VA Narrow e RZ40 VW Wide e RZ40L VA Narrow e RZ40L VW Wide 11 Qu ck Sp e CS Compaq TruCluster Server HARDWARE REQUIREMENTS continued Supported Tape Devices and Media Changers TruCluster Server supports the configuration of specific tape devices on a shared SCSI bus and on Fibre Channel These devices will function properly in a multi initiator environment On a SCSI bus they will be disrupted by bus resets that occur during cluster membership change events Backup software must be explicitly capable of handling and recovering from such events and must utilize the cluster application availability CAA facility to facilitate highly available backup The following tape devices are sup
17. dapters subject to the current maximum number of adapters and any other restrictions for a given system TruCluster Server supports a maximum of 62 shared buses in any combination Information on firmware release can be found at http www compaq com support or from the current Alpha systems firmware update CD ROM Doo DA 10514 e Hard partitions of GS80 GS160 and GS320 can be clustered together either across separate systems or within systems but each hard partition must have at least one cluster interconnect connection e TruCluster Server Version 5 1A requires all members to be connected with either all members using Memory Channel hardware or all Supported Systems System Shared Storage IO Adapter Cluster Interconnect AlphaServer 800 KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer 1000A KZPSA MC1 5 100 Mbps LAN AlphaServer 1200 KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer 2000 KZPSA MC1 1 5 100 Mbps LAN AlphaServer 2100 KZPSA MC1 1 5 100 Mbps LAN AlphaServer 2100A KZPSA MC1 1 5 100 Mbps LAN AlphaServer 4000 4100 KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer 8200 KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer 8400 KZPSA KZPBA KGPSA MC1 1 5 amp 2 100 Mbps LAN AlphaServer DS10 KZPBA KGPSA MC2 100 Mbps LAN AlphaServer DS10L KZPBA 100 Mbps LAN AlphaServer DS20 DS20E KZPBA
18. ed Supported Tape Devices and Media Changers continued Notes The TL881 TL891 TL893 TL894 TL895 TL896 Compaq 20 40 GB DLT Tape Drive Compaq 40 80 GB DLT Tape Drive and ESL9326D Enterprise Library are supported with both the KZPSA and KZPBA CB adapters All other tape device and media changer support is provided with KZPSA adapters only The TL891 Mini Library TL895 Automated Tape Library and the ESL9326D Enterprise Library are also supported on a Fibre Channel storage bus with the KGPSA BC and KGPSA CA adapter The Compaq Fibre Channel Tape Controller and Modular Data Router are Fibre Channel to SCSI bridges that allow a SCSI tape device to communicate with other devices on a Fibre Channel For a list of tape devices supported by Enterprise Backup Storage see the Enterprise Backup Storage documentation Supported Storage Boxes TruCluster Server supports the following storage boxes Storage Box Description BA350 Single ended narrow BA356 Single ended wide DS BA356 Ultra SCSI SBB shelf Supported Parallel SCSI Array RAID Controllers TruCluster Server supports the following parallel SCSI RAID controllers on shared storage buses The TruCluster Server Release Notes provide information regarding supported Array RAID controllers firmware revisions RAID Controller SWXRA Z1 Array Controller HSZ20 RAID Array 3000 HSZ22 HSZ40 Bx Array Controller HSZ40 Cx Array Controller HSZ50 Ax Array Controlle
19. ent network adapters NetRAIN feature Cluster Interconnect Failover TruCluster Server allows the elimination of the cluster interconnect as a single point of failure by supporting redundant cluster interconnect hardware You can configure dual rail Memory Channel allowing the cluster to survive the failure of a single rail For LAN interconnect two or more network adapters on each member are configured as a NetRAIN virtual interface When properly configured across two or more switches the cluster will survive any LAN component failure This not only guards against rare network hardware failures but also facilitates the upgrade and maintenance of the network without disrupting the cluster Support for Parallelized Database Applications TruCluster Server provides the software infrastructure to support parallelized database applications such as Oracle Parallel Server OPS and Informix Extended Parallel Server XPS to achieve high performance and high availability OPS and XPS are offered and supported separately by Oracle Corporation and Informix Software Inc respectively Distributed Lock Manager The distributed lock manager DLM synchronizes access to resources that are shared among cooperating processes throughout the cluster DLM provides a software library with an expansive set of lock modes that applications use to implement complex resource sharing policies DLM provides services to notify a process owning a resource that it is blo
20. ge cluster file systems swap partitions and boot disks Compared to parallel SCSI storage Fibre Channel is easier to configure and its long distance permits greater flexibility in configurations Compared with a switched Fibre Channel topology Arbitrated Loop offers a lower cost solution by trading off bandwidth and therefore some performance Arbitrated Loop is supported for two member configurations only For more information on supported TruCluster Server configurations and specific cabling restrictions using Fibre Channel see the Cluster Hardware Configuration manual at the following URL http tru64unix compag com docs pub_page cluster_list html Enhanced Security with Distributed Anih liana M TruCluster Server supports the Enhanced Security option on all cluster members This includes support for features for enhanced login checks and password management Audit and access control list ACL support can also be enabled independently of the Enhanced Security option on cluster members CONFIGURATION Software Requirements TruCluster Server Version 5 1A requires the Tru64 UNIX Version 5 1A operating system The Tru64 UNIX operating system is a separately licensed product See the Tru64 UNIX operating system QuickSpec for more information Software Configuration Requirements e When configuring TruCluster Server software an additional 64 MB of memory is required on each member system e Each system requires a disk for a member boot di
21. hat contains the exported file systems NFS clients can use this alternate alias when they mount the file systems served by the cluster Fast File System Recovery The Advanced File System AdvFS log based file system provides higher availability and greater flexibility than traditional UNIX file systems AdvFS journaling protects file system integrity TruCluster Server supports AdvFS for both read and write access An optional separately licensed product the Advanced File System Utilities performs online file system management functions See the OPTIONAL SOFTWARE section of this document for more information on the AdvFS utilities Increased Data Integrity Tru64 UNIX Logical Storage Manager LSM is a cluster integrated host based solution to data storage management In a TruCluster Server cluster LSM operations continue despite the loss of cluster members as long as the cluster itself continues operation and a physical path to the storage is available LSM disk groups can be used simultaneously by all cluster members and the LSM configuration can be managed from any cluster member Basic LSM functionality including disk spanning and concatenation is provided with the Tru64 UNIX operating system Extended functions such as striping RAID 0 mirroring RAID 1 and online management are available with a separate license Mirroring of LSM is RAID Advisory Board RAB certified for RAID Levels 0 and 1 LSM is supported for use in a TruClu
22. hub provides greater scalability for clusters with three or more members Adapters and switch ports must be configured compatibly with respect to speed 100 Mbps and operational mode full duplex A maximum of three hops is allowed between cluster members where a hop means passing from a system switch hub or router to another system switch hub or router That is any combination of up to two hubs switches or routers is supported between two cluster members You must not introduce unacceptable latencies by using for example a satellite uplink or a wide area network WAN in the path between two components of a LAN interconnect A fully redundant LAN interconnect configuration employs two or more Ethernet adapters in a NetRAIN set on each member with redundant wiring to two or more switches interlinked by two crossover cables These Ethernet switches must be capable of one of the follow mechanisms for managing traffic across parallel inter switch links link aggregation also known as port trunking resilient links or per port enabled spanning tree algorithm DA 10514 World Wide Version 7 July 10 2001 9 QuickSpecs Compaq TruCluster Server STORAGE HARDWARE REQUIREMENTS Supported Fibre Channel Hardware TruCluster Server supports the following Fibre Channel hardware For more information on the supported Fibre Channel solutions see the TruCluster Server Release Notes and the Cluster Hardware Configuration manual
23. ies The part number for the StorageWorks software package is QB 5RXA AA TruCluster Plus Software The TruCluster Plus Software package includes the licenses for TruCluster Server Tru64 UNIX Logical Storage Manager and the Advanced File System Utilities The part number for the TruCluster Plus software package is QP 6R9A AA DA 10514 World Wide Version 7 July 10 2001 7 Compaq TruCluster Server QuickSpecs OPTIONAL SOFTWARE continued Service Tools WEBES WEB Based Enterprise Service WEBES tools integrate a high availability system fault management architecture Distributed Enterprise Service Tools Architecture DESTA with Compaq s architecture for distributed Web Based System Management The tool functionality contained in the WEBES kit includes the following Compaq Analyze symptom directed hardware diagnosis tool Compaq Crash Analysis Tool CCAT symptom directed operating system software diagnosis tool and Revision and Configuration Management RCM tool collects system configuration and revision data Compaq Analyze is a hardware diagnosis software tool that provides analysis for single errors or fault events at a rudimentary level as well as multiple event and complex analysis Compaq Analyze provides automatic notification and isolation of hardware components to quickly identify areas of the system that may be having problems Compaq Analyze is the successor to DECevent and supports the newer EV6 based syste
24. ing services such as file sharing print sharing and security for Tru64 UNIX In addition to basic file and print services ASU provides full Windows domain controller support support for enterprise wide trust relationships and support for Windows security including file permissions and Windows local and global groups Additionally you can manage users file shares and printers using native Windows administrative tools When combined with TruCluster Server software ASU provides highly available and highly scalable file shares print shares and even Primary Domain Controller resources to Windows clients For more information on ASU visit the Compaq Advanced Server for UNIX Web site at er Legato NetWorker See the NetWorker Read This First letter for information on evaluating or purchasing a version of NetWorker that supports TruCluster Server Compaq SANworks Data Replication Manager Compaq SANworks Data Replication Manager DRM is controller based data replication software for disaster tolerance and data movement solutions It works with the new StorageWorks Fibre Channel MA8000 EMA12000 Storage Solutions Multiple clusters or standalone systems can be interconnected using DRM The RAID Array 8000 RA8000 and Enterprise Storage Array 12000 ESA12000 are also supported For more information see the SANworks Data Replication Manager QuickSpec Advanced File System AdvFS Utilities The Advanced File System AdvFS og
25. luster to be managed more easily than distributed systems TruCluster Server cluster members share a single root file System and common system configuration files Therefore most management tasks need to be done only once for the entire cluster rather than repeatedly for each cluster member The cluster can be managed either locally from any of its members or remotely using Tru64 UNIX Web based management tools Tru64 UNIX and TruCluster Server software and applications are installed only once Most network applications such as the Apache Web server need to be configured only once in the cluster and can be managed more easily in a cluster than on distributed systems A choice of graphical Web based or command line user interfaces makes management tasks easier for the administrator flexible for those with large configurations and streamlined for expert users TruCluster Server facilitates deployment of services that remain highly available even though they have no embedded knowledge they are running in a cluster Applications can access their disk data from any cluster member TruCluster Server also provides the support for components of distributed applications to run in parallel providing high availability while taking advantage of cluster specific synchronization mechanisms and performance optimizations TruCluster Server allows the processing components of an application to concurrently access raw devices or files regardless of where the storage
26. ms Refer to the release notes for the products that are supported CCAT is a software application tool that helps service engineers and system managers to analyze operating system crashes This tool collects data that describes system crashes and matches that data against a set of operating specific rules The RCM tool collects system configuration and revision data information The data is stored in the RCM Server at Compaq Services and the server is then used to create detailed revision and configuration reports Oracle Parallel Server OPS Oracle Parallel Server OPS technology is a relational database management system that capitalizes on the benefits of high availability performance and expandability made possible by Tru64 UNIX clusters Oracle Parallel Server must be ordered separately through Oracle Corporation Informix Dynamic Server Informix Dynamic Server with the Extended Parallel Option delivers high performance while supporting commercially available cluster systems used for data warehousing and decision support applications Informix Dynamic Server with the Extended Parallel Option must be ordered through Informix Software Inc SUPPORTED SYSTEMS AND CLUSTER INTERCONNECT HARDWARE REQUIREMENTS TruCluster Server Version 5 1A supports the systems listed in the following table with up to eight systems in a configuration TruCluster Server Version 5 1A supports the KZPSA BB KZPBA CB KGPSA BC and KGPSA CA as shared storage bus a
27. ported on shared storage DA 10514 World Wide Version 7 July 10 2001 12 QuickSpecs Compaq TruCluster Server e TZ88 Tape Drive Tabletop SBB e TZ89 Tape Drive Tabletop DS TZ89N TA SBB DS TZ89N VW e TZ885DLT MiniLibrary Tabletop TZ885 NT Rackmount TZ885 NE e T2887 DLT MiniLibrary Tabletop TZ887 NT Rackmount TZ887 NE e Compaq 20 40 GB DLT Tape Drive Tabletop 340744 B21 e Compaq 40 80 GB DLT Tape Drive Tabletop 146197 B22 e TL891DLT MiniLibrary 2 5 2 Part Numbers Tabletop DS TL891 NT Rackmount DS TL891 NE NG e TL891 DLT MiniLibrary 6 3 Part Numbers TZ88N TA TZ88N VA e TL893 Automated Tape Library DS TL893 BA e TL894 Automated Tape Library DS TL894 BA e TL895 DLT Automated Tape Library Number of Drives 2 5 2 Part Number 6 3 Part Number 2 DS TL895 H2 349350 B22 3 N A 349350 B23 4 NA 349350 B24 DS TL895 BA 349350 B25 6 N A 349350 B26 7 Tabletop TL891 with 1 DLT 35 70 drive 120875 B21 TL891 with 2 DLT 35 70 drives 120875 B22 Rackmount L891 with 1 DLT 35 70 drive 120876 B21 5 TL891 with 2 DLT 35 70 drives 129876 B22 MiniLibrary Expansion Unit 120877 B21 MiniLibrary Data Unit 128670 B21 e TL881 DLT MiniLibrary Tabletop TL881 with 1 DLT 20 40 drive 128667 B21 TL881 with 2 DLT 20 40 drives 128667 B22 Rackmount TL881 with 1 DLT 20 40 drive 128669 B21 TL881 with 2 DLT 20 40 drives
28. r HSZ70 Array Controller HSZ80 Array Controller Network Adapters TruCluster Server supports for client networks any Ethernet FDDI ATM LAN emulation mode only or Gigabit Ethernet adapters that are supported by the version of Tru64 UNIX on which it is running Hardware Restrictions TruCluster Server has the following hardware restrictions The TruCluster Server Cluster Hardware Configuration manual provides additional information regarding hardware restrictions e Prestoserve NVRAM failover is not supported on shared disk devices Hardware Configuration Examples The TruCluster Server Cluster Hardware Configuration manual provides hardware configuration examples TruCluster Server supports up to eight member cluster configurations as follows e Switched Fibre Channel Eight member systems may be connected to common storage over Fibre Channel in a fabric switch configuration e Parallel SCSI Only four of the member systems may be connected to any one SCSI bus Multiple SCSI buses may be connected to different sets of members and the sets of members may overlap Use of a DS DWZZH 05 UItraSCSI hub with fair arbitration enabled is recommended when connecting four member systems to a common SCSI bus DA 10514 World Wide Version 7 July 10 2001 15
29. sk and the cluster requires a minimum of one disk for clusterwide root usr and var file systems A quorum disk is optional See the TruCluster Server Cluster Hardware Configuration manual for details Free disk space required for use permanent 52 MB to load TruCluster Server software onto a Tru64 UNIX system disk These requirements refer to the disk space required on the system disk The sizes are approximate actual sizes may vary depending on the system environment configuration and software options DA 10514 World Wide Version 7 July 10 2001 5 Qu ck Sp e CS Compaq TruCluster Server ORDERING INFORMATION TruCluster Server V5 1A licenses include Systems TruCluster Plus packages TruCluster Server License TruCluster Server Migration License AlphaServer 800 1000A 1200 DS10 QP 6R9AC AA QL 6BRAC AA QL 6J1AC AA DS10L DS20 DS20E AlphaServer ES40 QP 6R9AE AA QL 6BRAE AA QL 6J1AE AA AlphaServer 2000 2100 2100A 4000 4100 QP 6R9AG AA QL 6BRAG AA QL 6J1AG AA GS60E GS80 AlphaServer 8200 8400 GS60 GS140 QP 6R9AQ AA QL 6BRAQ AA QL 6J1AQ AA GS160 GS320 Software Documentation QA 6BRAA GZ TruCluster Plus Software packages include licenses for TruCluster Server Logical Storage Manager and AdvFS Utilities If you currently have TruCluster Available Server or TruCluster Production Server and want to convert to TruCluster Server use the QL 6J1A AA migration license
30. ster Server cluster and will support any volume in a cluster including swap and cluster root and excluding the quorum disk and member boot disks Hardware mirroring is supported for all volumes in a cluster without exception LSM RAID 5 volumes are not supported in clusters See the OPTIONAL SOFTWARE section of this document for more information on LSM DA 10514 World Wide Version 7 July 10 2001 3 Qu ck Sp e CS Compaq TruCluster Server FEATURES TRUCLUSTER SERVER V5 14A continued Global Error Logger amp Event Manager TruCluster Server can log messages about events that occur in the TruCluster environment to one or more systems Cluster administrators can also receive notification through electronic mail when critical problems occur Cluster Storage I O Failover TruCluster Server provides two levels of protection in the event of storage interconnect failure When configured with redundant storage adapters the storage interconnect will be highly available Should one interconnect fail traffic will transparently fail over to the surviving adapter When a member system is connected to shared storage with a single storage interconnect and it fails transactions are transparently performed via the cluster interconnect to another cluster member with a working storage interconnect Cluster Client Network Failover TruCluster Server supports highly available client network interfaces via the Tru64 UNIX redundant array of independ
31. ster members can share resources data and clusterwide file systems under a single security and management domain yet they can boot or shut down independently without disrupting the cluster Cluster File System The Cluster File System CFS makes all files including the root usr and var file systems visible to and accessible by all cluster members It does not matter whether a file is stored on a device connected to all cluster members or on one that is private to a single member Each file system is served by a single cluster member other members access that file system as CFS clients with significant optimizations for shared access CFS preserves full X Open and POSIX semantics for file system access and maintains cache coherency across cluster members For instance an application can use standard UNIX file locks to synchronize access to shared files CFS supports the Advanced File System AdvFS for both read and write access and supports AdvFS with BSD type user and group quotas NFS client and NFS server are supported for both read and write access and NFS services are accessible to clients through cluster aliases in addition to the default cluster alias The UNIX File System UFS is supported for read and write access from the CFS server or for read only access on client members The Memory File System MFS is supported for read and write access on the CFS server The CD ROM File System CDFS and Digital Video Disc File System DVD
32. uire a hub A configuration of more than two members requires a Memory Channel hub e MC1and MC1 5 cannot be mixed on the same rail with MC2 There are special rules about circumstances where Memory Channel 1 and Memory Channel 2 can be used together in the same cluster The TruCluster Server Cluster Hardware Configuration manual provides information regarding supported Memory Channel configurations Supported LAN Interconnect Hardware Use of dedicated 100 MB LAN is supported for use as a cluster interconnect A LAN interconnect must be private to cluster members As long as any packet that is transmitted by a cluster member s interconnect adapter can only be received by interconnect adapters of other members of the same cluster the interconnect meets the privacy requirement A LAN interconnect can be a direct connection between two cluster members or can employ hubs or switches In general any Ethernet adapter switch or hub that works in a standard LAN at 100 Mbps should work within a LAN interconnect Fiber Distributed Data Interface FDDI ATM LAN Emulation LANE 10 Mbps Ethernet and Gigabit Ethernet are not supported Although hubs and switches are interchangeable in most LAN interconnect configurations switches are recommended for performance and scalability Most hubs run in half duplex mode and do not detect network collisions so their use in a LAN interconnect may limit cluster performance Overall using a Switch rather than a
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