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Topic: VAXcluster

In the News (Tue 22 Dec 09)

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	[No title]
		For the purposes of this manual, a small local area VAXcluster configuration consists of one processor called a boot server that serves as the hub of the cluster, and one or more MircroVAX or VAXstation processors that are connected to the boot node.
		When a group of VAX processors shares resources in a VAXcluster environment, the storage and computing resources of all of the processors are combined, which can increase the processing capability, communications, and availability of your computer system.
		In a CI-only VAXcluster configuration, the star coupler is used as the common connection point for all nodes in the cluster, including both VAX processors and Hierarchical Storage Controllers (HSCs).
	www.phreak.org /archives/underground/nia/NIA038.TXT (1701 words)

	[No title]
		One major the advantage of having advantage of the VAXcluster a storage medium that is system design is that disk available to all nodes storage devices can be even when they are not accessed from all nodes actively accessing the data in an identical manner.
		Application nodes, the VAXcluster software can connect to software generally selects a node in the cluster using one for active use and the cluster alias name relies on the remaining rather than a specific paths for backup in the node name.
		A node must the members of a VAXcluster be able to access a file system falls below this on the disk in order to quorum, the VMS software include the votes assigned blocks I/O to mounted to that disk in the node's devices and prevents the own total.
	netilium.org /~mad/dtj/DTJ/DTJ302/DTJ302SC.TXT (6496 words)

	WVNET in the Late '80s
		We also installed system software on Marshall University's new 8700 VAX computer, and integrated it with their VAX 11/785 computer to form a VAXcluster.
		We began to upgrade our old 300 baud modems with 42 new modems which are capable of handling 300, 1200 and 2400 baud connections.
		This software allows the BITNET link between VM and the VAXcluster to use a TCP/IP connection across the Ethernet instead of a dedicated low speed line.
	www.wvnet.edu /aboutwvnet/history/l80wvnet.html (3286 words)

	KCGL1 Help SCHEDULE VAXCluster_Support (Site not responding. Last check: 2007-10-14)
		The Scheduler may be run on multiple nodes of a VAXcluster.
		In that case, NSCHED$ should be put on a device that is accessible on all nodes of the cluster so that all Schedulers share a common database.
		In a VAXcluster, a job can be restricted to run on only one particular node, or it may be allowed to run on any node.
	www.iri.tudelft.nl /HELP/SCHEDULE/VAXCLUSTER_SUPPORT (512 words)

	OpenVMS ask the wizard (Site not responding. Last check: 2007-10-14)
		From the V5.5-2 VAXcluster SPD 29.78.06: Interconnects: VAXcluster systems are configured by connecting multiple CPUs with a communication media, referred to as an interconnect.
		VAXcluster Software supports any combination of the following inter- connects: o Computer Interconnect (CI) o Ethernet (NI) o Digital Storage System Interconnect (DSSI)[*] o Fiber Distributed Data Interface (FDDI) Ethernet and FDDI are industry-standard general purpose communications interconnects that can be used to implement a Local Area Network (LAN).
		VAXcluster satellite booting is not supported for these systems.
	h71000.www7.hp.com /wizard/group3/326.HTML (485 words)

	[No title] (Site not responding. Last check: 2007-10-14)
		Significantly, the industry as the VAXcluster systems are premiere foundation for so well integrated that creating high-availability users are often not applications.
		Today, VAXcluster Built from standard systems support a wide processors and a general- range of communication purpose operating system, interconnects, including CI a VAXcluster system is a Digital Technical Journal Vol.
		Papers on both which Digital initiated an Ethernet adapter and in the 1980s continues to an FDDI adapter describe encompass new advances and the care taken to ensure innovative technologies that adapter performance that ensure data matches that of the target availability and integrity.
	www.research.compaq.com /wrl/DECarchives/DTJ/DTJ300/vc-foreword.txt (809 words)

	Bitnet Postmaster's Guide (V00539)
		If this system is not part of a homogeneous VAXcluster because it does not share a SYSUAF or VMSmail profile with any other system, or because the systems in the VAXcluster are not all running PMDF, you must set MAIL$SYSTEM_FLAGS to an even number (4 or 6 is recommended) or leave the logical name undefined.
		If your system is a member of a homogeneous VAXcluster and your TCP/IP software permits it, configure the domain-style name of the VAXcluster as the official host name of your system, and configure a specific domain-style name as a host alias name for your system.
		At State University, if the two VAXclusters were connected by a DECnet network, VAXcluster B would have probably been a better choice as the hub node for the Suburban Campus.
	www.decus.org /libcatalog/document_html/v00539_1.html (17344 words)

	[No title]
		New Availability Features of Local Area VAXcluster Systems By Lee Leahy Abstract the VAXcluster system to VMS version 5.4-3 increases tolerate and work around the availability of local network failures.
		These Availability is increased features support multiple by enabling fail-over local area network (LAN) between LAN adapters, adapters, reduce the time reducing channel failure required to detect network detection time, and path (channel) failures, providing better network and provide additional troubleshooting.
		Also, configuration is performed the handshake to verify using the priority field connectivity is performed in the frame control byte by the VC, which forces of the FDDI message header.
	netilium.org /~mad/dtj/DTJ/DTJ303/DTJ303SC.TXT (5971 words)

	VAXcluster - Wikipedia, the free encyclopedia
		A VAXcluster is a highly available and extensible configuration of VAX computers that operate as a single system.
		To achieve performance in a multicomputer environment, a new communications architecture, communications hardware, and distributed software were jointly designed.
		Local Area VAXcluster systems extended VAXcluster technology to Ethernet, bringing the software advantages of the VAXcluster environment to the MicroVAX II and VAXstation II systems.
	www.wikipedia.org /wiki/VAXcluster (216 words)

	Citations: Vaxclusters: A Closely-Coupled Distributed System - Kronenberg, Levy, Streker (ResearchIndex) (Site not responding. Last check: 2007-10-14)
		In the second approach, processing nodes are connected via the network to form a single cluster while access to the shared disks is routed via special disk buses and interfaces.
		This paper begins with an overview of VAXcluster systems and application design in such systems and proceeds with a detailed discussion of VAXcluster design and implementation.
		As a side effect of a successful lookup, data structures on each of the three nodes are updated to reflect the changed state of the system.
	citeseer.lcs.mit.edu /context/21577/0 (5745 words)

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		This chapter examines clustering techniques, identifies their relative strengths and weaknesses, and explores the ways that high-performance networking can be used to support clusters.
		Ostensibly, the primary difference is that the computers illustrated in Figure 26.3 are all performing the same application work, although this is not an absolute.
		As the computers in that figure are likely to be sharing the same data, an access manager is needed to coordinate the access, modification, deletion of the shared data.
	docs.rinet.ru /NeHi/ch26/ch26.htm (5456 words)

	WVNET in the Early '90s
		RPRINT on the WVNET VAXcluster was modified to use Jnet for job submission.
		This was done as part of the conversion to the new VAX 6000 model 520.
		The plan is to upgrade the VAX to a 6000-620 with an additional 128 MB of memory.
	www.wvnet.edu /aboutwvnet/history/e90wvnet.html (4486 words)

	[No title] (Site not responding. Last check: 2007-10-14)
		On one hand, a VAXcluster has separate processors and memories connected by a message-oriented interconnect, running several copies of a distributed VAX/VMS operating system.
		The goals of the VAXcluster multicomputer system are high ava ilability and easy extensibility to al large number of processors and device controllers.
		In contrast to other highly available systems, VAXcluster is built from general-purpose, off-the-shelf processors and a general-purpose operating system.
	www-vs.informatik.uni-ulm.de:81 /DOSinWWW/TextFiles/DOSystems/VAXclusters.html (201 words)

	OpenVMS VAX Version 7.1 Upgrade and Installation Manual (Site not responding. Last check: 2007-10-14)
		If all systems in the VAXcluster environment are booted from one system disk, you must perform a concurrent upgrade.
		If you are upgrading a VAXcluster, you must also read Chapter 6.
		During the upgrade procedure, you are asked to boot the system from the [SYSF] directory on the system disk.
	pupgg.princeton.edu /cdrom12/html/ssb71/6487/6487p006.htm (3559 words)

	Dependability Modeling of a Heterogenous VAXcluster System using Stochastic Reward Nets. (Site not responding. Last check: 2007-10-14)
		Stochastic reward nets are used as the formalism to model the behavior of the VAXcluster multiprocessor system.
		Several interesting output measures that characterize the dependability aspects of the VAXcluster system are described and computed.
		The use of the model in studying various alternative configurations of the VAXcluster system, given a fixed number of processors is also illustrated through an example
	www.informatik.uni-hamburg.de /TGI/pnbib/m/muppala_j_k6.html (164 words)

	bluemud.org - NIA038.TXT (Site not responding. Last check: 2007-10-14)
		A satellite node is a MicroVAX processor that is a member of the cluster.
		In a CI-only VAXcluster configuration, the star coupler is used as
		VAXcluster documentation that is avaiable in the full VMS documentation set
	www.bluemud.org /print/11052 (1403 words)

	[No title]
		Workstations currently included in the VAXcluster and available to departmental users or to the public (TIGER, BEAR, COUGAR, etc.) will remain in the cluster and can be used as they were before the reorganization.
		Be aware, however, that some messages sent to you during the downtime may not arrive (although the MAIL program tries to notify the sender when messages fail).
		Note for Instructors If you are an instructor in a course that uses the VMS VAXcluster and you have not already been contacted by VMS Services, call 471-1245 to learn whether any changes will be required in your course materials or in your instructions to students.
	www.utexas.edu /cc/newsletter/text/newsletter.aug91 (2549 words)

	New VAX Computer User Info
		The VAXcluster mainframe computer system is used for much of this activity.
		Access to the VAXcluster is open to all faculty, staff and students at Ball State.
		The VAXcluster is so named because it is just that: a group of several VAX computers that are connected to share information and resources.
	www.bsu.edu /pres/ucs/consulting/store/NewVAXInfo.shtml.htm (1441 words)

	[No title] (Site not responding. Last check: 2007-10-14)
		Sandy Snaman of three papers describes first presents an overview new VMS VAXcluster of the VAXcluster system developments and features; architecture, including the second set addresses explanations of the layers, the topics of LAN adapter their purpose and function.
		A insights into how the common theme across these system implementation papers is the development affects application design of technologies for and reviews the choices interconnecting systems available to application that offer high data designers in the areas of availability without client-server computing and sacrificing performance.
		VMS Volume Shadowing, The availability of described by Scott Davis, applications and cluster is a means of ensuring configurations is also data availability and enhanced by developments integrity in VMS VAXcluster in a new release of the systems.
	www.research.compaq.com /wrl/DECarchives/DTJ/DTJ300/vc-introduction.txt (622 words)

	OpenVMS VAX System Dump Analyzer Utility Manual
		Displays VAXcluster system information for a specific VAXcluster member node.
		By default, the SHOW CLUSTER command provides a view of the VAXcluster system from the perspective of the connection manager.
		The CSB list displays information about the VAXcluster system blocks (CSB) currently in operation; there is one CSB assigned to each node of the cluster.
	www.mi.infn.it /~calcolo/OpenVMS/ssb71/4556/4556p007.htm (2410 words)

	20 Shared Memory Emulation - 20.5 Emulation of Shared Memory in VAXCluster Environment (Site not responding. Last check: 2007-10-14)
		This feature is invoked by placing a "w" (lower case) in the OPTION logical name.
		This option is for use in situations where an application designed to use group shared area on a single node must be used on more than one node in a VAXCluster, or is to be used in a UNIX environment.
		A single SYNC flag must be used to control access to the entire area.
	www.admins.com /70Manual/Section20_06.htm (264 words)

	VAXTAP -- H2vaxinst-Remote-staging
		When a remote stage is required, a batch job will be submitted to a special queue on that node.
		If the server node is in the same VAXcluster as the client, the batch job is submitted directly.
		On server systems which are not in the same VAXcluster as prospective clients, a small stage server must be built and defined as a DECnet object.
	wwwasdoc.web.cern.ch /wwwasdoc/vaxtap/H2vaxinst-Remote-staging.html (441 words)

	OpenVMS VAX Version 7.1 Upgrade and Installation Manual
		In addition, if your VAX computer is part of a VAXcluster environment, you must prepare the cluster environment and configure the cluster.
		Before you start the upgrade procedure in a VAXcluster environment, you must shut down all the nodes that boot from the system disk you are upgrading, including the node you perform the upgrade on.
		If you move the OpenVMS VAX save sets from the distribution media to the system disk or some other disk before beginning the upgrade, the save sets must be in the [000000] directory of the disk, or the upgrade will fail.
	www.mi.infn.it /~calcolo/OpenVMS/ssb71/6487/6487p004.htm (2952 words)

	DECnet (Site not responding. Last check: 2007-10-14)
		It evolved into one of the first peer-to-peer network architectures, thus making DEC into a networking powerhouse in the 1980s.
		From a technical standpoint DECnet was built right into the DEC flagship operating system (VAX/VMS), being the foundation for the first cluster architecture ever designed, the VAXcluster.
		Initially built with four layers it later (1992) evolved into a seven layer OSI compliant networking protocol, around the time when open systems (POSIX compliant, i.e.
	www.sciencedaily.com /encyclopedia/decnet_2 (665 words)

	VAX Capacity Management Tool (V00314)
		It is not necessary to have VMS internal knowledge or system management knowledge to make use of this package.
		In addition to the VAX wide and VAXcluster wide information collected, this package also collects information for each UIC group.
		If your VAX system is arranged with each application in a separate UIC group then this allows the total system utilization to be broken down by application.
	www.decus.org /libcatalog/description_html/v00314.html (362 words)

	KCGL1 Help SCHEDULE STOP Qualifiers (Site not responding. Last check: 2007-10-14)
		If /ALL specified, then all Schedulers running in the VAXcluster which remote-node is a member of will be stopped.
		Any jobs which have /RESTART enabled will "fail over" to another node in the VAXcluster if one is available.
		This command should be executed as part of the site specific system shutdown procedure in order to insure that running jobs fail over properly when the system is brought down orderly.
	www.people.memphis.edu /HELP/SCHEDULE/STOP/QUALIFIERS (216 words)

	[No title] (Site not responding. Last check: 2007-10-14)
		There are special considerations when installing on a VAXcluster or Local Area VAXcluster (see Section 2.6).
		Refer to the VMS VAXcluster Manual for details of definitions and terminology used.
		Specifically, on a VAXcluster you can choose whether to enable the use of the cluster alias, if one is defined.
	12.38.114.134 /MasterIndex/installation_guide/installation_guide_0050eba0.txt (8817 words)

	OpenVMS VAX System Dump Analyzer Utility Manual (Site not responding. Last check: 2007-10-14)
		VAXcluster data structures -------------------------- --- Connection Descriptor Table (CDT) 98310EE0 --- State: 0002 open Local Process: MSCP$DISK Blocked State: 0000 Remote Node::Process: MOON::VMS$DISK_CL_DRVR Local Con.
		Identity of the system, including an indication of its VAXcluster membership and the location of the primary CPU in a multiprocessing configuration.
		CPU IDs of both the primary CPU and the CPU that initiated the bugcheck.
	cs.felk.cvut.cz /vms73/v73/4556/4556pro_009.html (2012 words)

	[geeks] need suggestions for a database for a VAXcluster (Site not responding. Last check: 2007-10-14)
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		OpenVMS 7.2 is the OS, VAX 4000 is the > hardware (a 4000/400 and two 4000/300 boxes) > > anyway, any suggestions as to what i should use?
	www.sunhelp.org /pipermail/geeks/2001-July/003282.html (204 words)

	OpenVMS VAX Version 7.2 Upgrade and Installation Manual
		If you are installing the OpenVMS VAX operating system in a VAXcluster environment, the installation procedure displays information about cluster configuration.
		But, because there is no network present on the system at this point in the procedure, no cluster configuration work can actually be performed at this time.
		Note that, in a mixed-interconnect VAXcluster environment, the allocation class value cannot be zero.
	www.itec.suny.edu /scsys/vms/vmsdoc/72final/6521/6521pro_001.html (2726 words)

	[No title] (Site not responding. Last check: 2007-10-14)
		Enter the LICENSE LOAD command to activate the license on each node in the VAXcluster on which LSE is to be executed as described in the OpenVMS License Management Utility Manual.
		To use the product on other nodes in the VAXcluster, you must replace the version of the DCL tables that is installed on the other VAXcluster nodes.
		Enter the LICENSE LOAD command to activate the license on each node in the VAXcluster on which SCA is to be executed as described in the OpenVMS License Management Utility Manual.
	www1.sqp.com /masterindex/installation_guide/installation_guide_006c6600.txt (12269 words)

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