Availability Guide for Application Design

Index
Availability Guide for Application Design—525637-004
Index-10
L
object status 2-16, 8-9
performance measurement 8-9, 8-26,
8-30/8-31
purpose of 1-19/1-20, 8-1, 8-7/8-9
SPI messages, used with 1-19, 2-16
state change 8-10, 8-12/8-13
statistics
gathering 8-26
generating 8-30/8-31
system components, of 2-16/2-17
system software 2-3
thresholds 1-19, 2-16, 8-9, 8-22
Integration testing 9-10
Intermodule communication
dynamic upgrade, techniques for 10-2,
10-19/10-21
FML 10-21
NonStop Tuxedo 10-21
overlapping message
ranges 10-20/10-21
phased approach 10-19/10-20
Interprocessor bus
See IPB
IPB, availability features of 2-5
iTP Secure WebServer Admin httpd 3-17
iTP Secure WebServer httpd 3-15
I/O operation
device tables, role of 2-13/2-15
file system, role of 2-13/2-15, 5-3, 6-3
I/O process, role of 2-13/2-15
I/O process 2-13/2-15
I’m alive message 2-8/2-9
L
LAN fault tolerance 2-21/2-22
LAN network broadcast storm 1-9
Languages
See Programming languages
Link manager process
recovery from failure of NonStop
Tuxedo server process, role in 5-8
LINKMON process
NonStop Tuxedo, role in 5-6
Pathsend requesters, used with 6-18
Pathway application, role in 6-4
Lock-stepped components 2-4
Lock-stepped processors 2-11/2-12
Logic boards, integrity checks 2-11/2-12
Logical processor 2-23
See also Processor
logical synchronization unit (LSU) 2-23
Loosely coupled architecture 2-3, 2-8/2-9
M
Machine, failure of 5-7
Maintainability, definition of 1-1
Management applications
availability requirements of 8-36/8-37
online recovery, support for 8-37/8-38
purpose of 8-36
query/status infrastructure, support
for 8-37
receiving responses 8-38/8-39
resource availability, support for 8-37
retrieving EMS messages 8-39
sending commands 8-38/8-39
user written 8-38/8-39
Mean time between failures 2-2
Measure program 8-26, 8-30/8-31, 8-39
purpose of 1-19
Measuring availability
See Availability, measuring
Memory manager 2-13
Message system, I’m alive
message 2-8/2-9
Message versions 10-19/10-21,
10-24/10-25
Microsoft Cluster Server (MSCS) 10-7
Microsoft Server Cluster Server
(MSCS) 10-14