Technical data

Summary of OpenVMS Version 7.3 New Features
Table 1–1 (Cont.) Summary of OpenVMS VAX and OpenVMS Alpha Version 7.3 Software
Features
System Management Features
CPU Online Replace
(AlphaServer GS160/320
systems)
OpenVMS Alpha Version 7.3 supports CPU Online Replace. CPU
Online Replace provides the ability to replace secondary CPUs
on a running system without rebooting, which increases system
maintainability and serviceability.
Class scheduler for CPU
scheduling
A new class scheduler for both VAX and Alpha systems allows you to
designate the amount of CPU time that a system’s users may receive by
placing users into scheduling classes.
Dedicated CPU Lock Manager
(Alpha)
Compaq for OpenVMS Version 7.3 provides a dedicated CPU lock
manager, which improves SMP system and application performance.
OpenVMS Enterprise Directory
for e-Business
OpenVMS Enterprise Directory for e-Business is a massively scalable
directory service, providing both X.500 and LDAPv3 services on
OpenVMS Alpha with no separate license fee.
Extended File Cache (XFC)
(Alpha)
XFC improves I/O performance and gives you control over the choice
of cache and cache parameters. The Extended File Cache improves I/O
performance with the following features that are not available with the
Virtual I/O Cache:
• Read-ahead caching
• Automatic resizing of the cache
• Larger maximum cache size
• No limit on the number of closed files that can be cached
• Control over the maximum size of I/O that can be cached
• Control over whether cache memory is static or dynamic
INSTALL utility has /ARB_
SUPPORT qualifier
You can use the /ARB_SUPPORT qualifier with the ADD, CREATE, and
REPLACE commands in the INSTALL Utility. The ARB_SUPPORT
qualifier provides Access Rights Block (ARB) support to products
that have not yet been updated with the per-thread security Persona
Security Block (PSB) data structure.
MONITOR utility enhancements Two new MONITOR command parameters have been added to enhance
the OpenVMS display of system information. RLOCK and TIMER are
used to monitor, respectively, the dynamic lock remastering statistics
and the Timer Queue Entry (TQE) statistics of a node.
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