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HP OpenVMS I64 Operating Systems manual DECwindows Motif for OpenVMS Alpha Disk Space Requirements

Models: OpenVMS I64 Operating Systems

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HP OpenVMS Alpha Version 8.3 and HP OpenVMS Version 8.3-1H1 for Integrity Servers SPD 82.35.13

The paging, swap, and dump file requirements are the minimum for a system with 64 MB of main memory. Additional memory in most cases adds to the space needed for these files, as will particular needs of your application. With careful system management it is pos- sible to use the paging file space as a temporary dump file.

For an OpenVMS Cluster system disk, paging, swap, and dump files cannot be shared between nodes, so the files must either be duplicated on the system disk or located on some other disk.

DECwindows Motif for OpenVMS Alpha Disk Space Requirements

To support full OpenVMS Alpha and full DECwindows Motif for OpenVMS Alpha, a system disk with at least 550 MB is recommended. However, a subset of the DECwindows Motif environment can be installed. The disk space required for the installation of DECwindows Motif is 159 MB. The permanent amount of space used is 145 MB. An additional 33 MB is needed to install the DECwindows X11 Display Server and associated files. (The DECwindows X11 Display Server and associated files are included in the OpenVMS Alpha operating sys- tem media.) These disk space requirements are in addi- tion to the disk space required for the OpenVMS Alpha operating system, as indicated in the OpenVMS Alpha Disk Space Requirements table.

Installation of the DECwindows Motif layered product gives customers the option of installing any or all of the following components:

•Run-time support base kit — 33 MB. This sec- tion provides support for running DECwindows Motif for OpenVMS Alpha applications on Alpha compute servers and is a required part of the installation.

•New Desktop — 24 MB. This is an optional com- ponent that allows use of the New Desktop environ- ment. It includes applications and application pro- gramming interfaces (APIs).

•DECwindows desktop — 11 MB. This component is also optional, but you should install either the New Desktop or the DECwindows desktop to create a us- able system. The DECwindows desktop is the user interface that was included in previous versions of DECwindows Motif and includes the DECwindows Session Manager, FileView, and the Motif Window Manager.

•Programming support — 32 MB. This section in- cludes support for the C, C++, Fortran, and Pascal programming languages. If you install a subset of languages, the amount of disk space required will be less.

•Example files — approximately 26 MB.

•Translated image support — approximately 20 MB.

DECwindows Motif for OpenVMS for for Integrity servers Disk Space Requirements

To support full OpenVMS for Integrity servers and full DECwindows Motif for OpenVMS for Integrity servers, a system disk with at least 707 MB is recommended. However, a subset of the DECwindows Motif environ- ment can be installed. The permanent amount of space used is 135 MB. These disk space requirements are in addition to the disk space required for the OpenVMS for Integrity servers operating system, as indicated in the OpenVMS for Integrity servers Disk Space Require- ments table.

Installation of the DECwindows Motif layered product gives customers the option of installing any or all of the following components:

•Run-time support (base kit) - 60 MB. This section provides support for running DECwindows Motif for OpenVMS for Integrity servers applications on In- tegrity servers and is a required part of the instal- lation.

•New Desktop - 35 MB. This is an optional compo- nent that allows use of the New Desktop environ- ment. It includes applications and application pro- gramming interfaces (APIs).

•DECwindows desktop - 8 MB. The DECwindows desktop is the user interface that was included in previous versions of DECwindows Motif and includes the DECwindows Session Manager, FileView, and the Motif Window Manager.

•Programming support - 8 MB. This number in- cludes support for the C, Pascal, and Fortran pro- gramming languages and for the New Desktop. If only a subset of languages is installed, the amount of disk space required will be less.

•Programming examples - 8 MB. This number in- cludes example audio files, the DECwindows desk- top, and the New Desktop. If only a subset of ex- ample files is installed, the amount of disk space re- quired will be less.

Layered Product Disk Space Requirements

In addition to the disk space used directly by HP or third- party layered products, there may be additional space used to store information from those products in Open- VMS help libraries, command tables, object libraries, and elsewhere. The amount of additional disk space required cannot be exactly predicted due to the pos- sibility of recovering unused space already existing in those library files. Unusually large modules contributed by layered products can also affect the amount of space

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HP OpenVMS I64 Operating Systems manual DECwindows Motif for OpenVMS Alpha Disk Space Requirements
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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.