HP OpenVMS I64 Operating Systems manual

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Contents October DescriptionUser Environment Program Development Environment Macro Compiler Posix Threads LibraryLibrarian Utility HypersortSystem Management Environment HP Availability Manager DECamdsManagement Agents for OpenVMS HP OpenVMS Management StationEnterprise Capacity and Performance Analyzer Performance Data CollectorGraphical Configuration Manager for OpenVMS Class Scheduler for CPU SchedulingSecurity Operations SysmanGovernment Security Ratings HP Utility Pricing on OpenVMS for Integrity ServersInstant Capacity TiCAP Temporary iCAPVery Large Memory VLM Features Pay per useOperating System Environment Processes and SchedulingSymmetric Multiprocessing SMP DECdtm ServicesInterprocess Communication AlphaServers Terminal Server ProductsUniversal Serial Bus Support Integrity Server SystemsPerformance Features Input/OutputExtended File Cache XFC Virtual I/O Cache Alpha onlyDisk and Tape Volumes Business and Integration TechnologiesHP OpenVMS Cluster Software Associated ProductsHP Galaxy Software Architecture on OpenVMS Alpha HP Volume Shadowing for OpenVMS HP RMS Journaling for OpenVMSHP Advanced Server for OpenVMS Alpha HP Pathworks for OpenVMS Advanced ServerHP DECram for OpenVMS HP TCP/IP Services for OpenVMSHP DECnet-Plus and HP DECnet Software Conformance to Standards Distributed Computing Environment DCE SupportSupport for OSF/Motif and X Window System Standards Standards Supported by OpenVMSInstallation Network Installation and UpgradeVirtual Media vMedia Polycenter Software InstallationVirtual Connect Wbemcim Test Package and DiagnosticsVmsinstal DECwindows Motif for OpenVMS Alpha Disk Space Requirements Layered Product Disk Space RequirementsDocumentation Memory Space RequirementsDistribution Media Ordering Information Growth ConsiderationsSource Listings Ordering OE License Upgrades Software Licenses Sold with SystemOE License Upgrade Options OpenVMS Alpha Ordering InformationAlpha CD Media and Online Documentation OpenVMS Hardcopy Documentation SetsSoftware Product Services OpenVMS Alpha and Integrity servers Source List- ings KitOpenVMS Alpha Software Products Library SPL CD Offerings Software LicensingSoftware License Information Alpha and Integrity servers Product Name Description SPDVMS System Support ServicesOpenVMS Alpha License Information Systems Supported Integrity Server Systems SupportedAlpha Systems Supported TURBOchannel Bus-Based SystemsXMI Bus-Based Systems PCI Bus-Based SystemsDssi Bus-Based Systems Modular Computing ComponentAppendix a OpenVMS for Integrity servers LAN OptionsParallel Scsi Storage Options Serial Attached Scsi SAS Storage OptionsStorage and Network Combo Cards Tape DevicesTerminals and Terminal Line Interfaces DisksPBXRW-JC Tapes Networks Storage Servers SwxnaEnterprise Storage Arrays Controllers and AdaptersSynchronous Controllers Hubs and SwitchesAsynchronous Terminal Controllers Graphics Options Defpa DapbaDapca DglpbAdapters and Switches CI OptionsMemory Channel Options MiscellaneousSoftware Warranty

OpenVMS I64 Operating Systems specifications

HP OpenVMS I64 is a robust operating system originally developed by Digital Equipment Corporation and later acquired by Hewlett-Packard. It stands for "Open Virtual Memory System" and is designed to run on Intel Itanium (I64) architecture, offering high reliability and performance for mission-critical applications.

One of the defining features of OpenVMS is its focus on availability and fault tolerance. It supports clustering, allowing multiple nodes to function together as a single system. This feature ensures that if one node fails, others can continue processing, minimizing downtime. Furthermore, OpenVMS employs a sophisticated method of process management, enabling the efficient handling of multiple tasks and processes simultaneously.

Security is a paramount characteristic of OpenVMS. The system implements a multi-layered security architecture, encompassing user authentication, access controls, and logging features that protect against unauthorized access. It also offers role-based access control, which streamlines permissions and bolsters overall system security.

OpenVMS is compatible with various programming languages and development tools, which makes it a versatile choice for developers. It supports languages like C, C++, COBOL, and Pascal, as well as development environments that facilitate the creation of sophisticated applications. Its comprehensive suite of development and debugging tools enhances productivity and ease of use for software engineers.

Another notable feature is its support for legacy applications. OpenVMS provides compatibility with older systems, allowing organizations to modernize their infrastructure without losing valuable investments in legacy code. This backward compatibility is vital for enterprises that require long-term system integrity and data consistency.

The operating system also features an advanced file system known as the Virtual Memory System (VMS) file system, which supports a variety of file types and efficient data management. The system is designed for high-performance I/O operations, which is crucial for applications that require quick data access and processing.

In terms of networking, OpenVMS supports a range of communication protocols, making it suitable for integration into complex networked environments. Its TCP/IP stack enables seamless connectivity with other platforms, facilitating collaboration in mixed environments.

Overall, HP OpenVMS I64 stands out for its reliability, security, and performance, making it an ideal choice for enterprises demanding a robust operating environment capable of handling their critical workloads. Its combination of advanced features and software support ensures that organizations can continue to innovate while relying on a stable foundation.