H06.03 Release Version Update Compendium

H06.03 Release Version Update Compendium—540008-002
2-1
2 Operating System
The H06.03 RVU contains these operating system changes:
•
DCT Limits
•
NonStop Operating System Software
•
OSS Compiler Utilities
•
Standard POSIX Threads
DCT Limits
In H-series RVUs, the default limit on the number of entries in the destination control
table (DCT) is 65,536. The default limit in G-series RVUs remains 32,767.
For information on how to determine whether an application requires changes to
function correctly when presented with a DCT index that exceeds the limit, see Support
Note S03123A.
NonStop Operating System Software
Major areas of change in the NonStop operating system (T9050) include:
•
Process control
•
Debug services
•
Interrupt environment
•
Signals and traps
•
Initialization
•
G-threads and history APIs
•
Memory management changes to adapt to the memory architecture of the TNS/E
system and Itanium processors
•
Support for dynamic-link library (DLL)
•
Message system
New products:
•
NonStop OS Disk/Tape Boots (T2773)
•
OS Builder (T0431)
These products also have changes:
•
NonStop OS Utilities (T9070), reload and memory dump
•
Integrity NonStop NS-series servers header files
•
NonStop OS (T9050), Configuration Services (T6586), and Maintenance IOP
(T8171) now support the processor switch maintenance entity.