Group Services Programming Guide and Reference

Index

Numerics
A B C D E F G H I J L M N O P Q R S T U V

Numerics

64-bit operating environment support (1150)

about this book (861)

adapter alias (1305)

multiple (1310), (1312)

adapter death (1303), (1309)

adapter deconfiguration (1304)

adapter information (1166)

adapter membership group

subscription to Ethernet adapter membership group (1109)

subscription to SP Switch adapter membership group (1110)

system-defined group (1111)

announcement callback routine, defining (1202)

announcement notification

definition (1060)

application program design

for a multicomputer environment (872)

application programming interface

GSAPI (888)

application size

minimizing for performance (1135)

applications

in multicomputer environment (876)

approval of a protocol

notification (1055)

asynchronous error handling (1206)

atomic multicast

and voting (932)

attribute change proposal

definition (1049)

attributes, group

changing (963)

defining (951)

definition (954)

mutability (964)

attributes of a group, changing (1158)

audience of this book (862)

barrier synchronization

and voting (931)

use in Group Services (900)

batch control

definition (960)

batching requests

using for performance (1141)

callback routine (Group Services)

announcement (1201)

avoiding deadlock (1133)

coordinating multiple notifications (1128)

delayed error (1204)

designing (1124)

ha_gs_announcement_callback (1227)

ha_gs_delayed_error_callback (1234)

ha_gs_n_phase_callback (1256)

ha_gs_protocol_approved_callback (1259)

ha_gs_protocol_rejected_callback (1262)

ha_gs_responsiveness_callback (1267)

ha_gs_subscriber_callback (1274)

n-phase (1208)

performance considerations (1126)

protocol approved (1212)

protocol rejected (1215)

responsiveness (982), (1218)

subscriber (1221)

change-attributes protocol

introduction (1001)

changing group attributes (1157)

checking for notifications (1160)

client example (1289)

client/server applications

in a multicomputer environment (877)

COLLIDE error code

for competing protocols (1019)

collision error code

for competing protocols (1018)

concepts

Group Services (864)

consistency

determining requirements for (1073)

loosely synchronous (1075)

strong (1077)

coordination

in multinode environment (912)

of applications using GSAPI (890), (910)

of processes using GSAPI (889)

counter-like responsiveness protocol

definition (979)

Deactivate-on-failure (1030)

deactivate script (1027)

deactivate scripts (1031)

sample_deactive_c_prog.c (1300)

sample_deactive_ksh.sh (1298)

deactivate scripts, exit codes (1034)

deactivate scripts, input parameters (1033)

deactivate scripts, invocation environment (1032)

deadlock

avoiding in callback routines (1132)

default vote

definition (959)

when used (1281)

delayed error callback routine, defining (1205)

design considerations

actions during voting (1086)

coding callback routines (1123), (1127)

for a multicomputer environment (871)

Group Services (1121)

migration and coexistence with PSSP 2.3 (1146)

multi-threaded applications (1130)

domain, Group Services

definition (914), (944)

errors

GSAPI (1284)

Ethernet adapter membership group

system-defined group (1112)

examples

group services example (1291), (1293), (1295), (1297), (1299)

expel protocol

deactivate script (1028)

description (1024)

expelling providers (1163)

expulsion

for a provider (938)

failure

causes in a multicomputer environment (873)

designing for quick recovery from (1145)

detection using GSAPI (892)

undoing actions (1144)

failure, node

Group Services handling (1081)

failure, process

failure leave protocol (1085)

responsiveness checking (1083)

failure leave

definition (1043)

for a provider (937)

failure leave protocol

removing failed providers (941)

failure to responsiveness check

Group Services action (983)

fault-tolerant system

design (908)

final notification

approval (1054)

rejection (1058)

First Failure Data Capture (FFDC) ID, getting a on GS daemon failure (1168)

goodbye, saying (leaving a group immediately) (1175)

group, Group Services

changing attributes (962)

creation (949)

defining attributes (950)

definition (918)

group attributes

changing (965)

defining for a group (952)

definition (953)

mutability (966)

group creation

definition (948)

group dissolution

announcement (1062)

group name

definition (946), (955)

group quorum

use with Group Services (1114)

Group Services client example (1290)

Group Services domain

definition (915), (945)

Group Services subroutines

adapter information (1165)

changing a group's attributes (1155)

changing a group's state value (1152)

checking for notifications (1159)

defining a callback routine

for announcements (1200)

for delayed errors (1203)

for handling protocol approved notifications (1211)

for handling protocol rejected notifications (1214)

for handling subscriber notifications (1220)

for responding to n-phase protocols (1207)

for responding to responsiveness checks (1217)

expelling providers (1162)

getting an FFDC ID (1167)

ha_gs_announcement_callback (1226)

ha_gs_change_attributes (1229)

ha_gs_change_state_value (1231)

ha_gs_delayed_error_callback (1233)

ha_gs_dispatch (1236)

ha_gs_expel (1238)

ha_gs_get_adapter_info (1240)

ha_gs_get_ffdc_id (1242)

ha_gs_get_node_number (1244)

ha_gs_goodbye (1246)

ha_gs_init (1248)

ha_gs_join (1250)

ha_gs_leave (1253)

ha_gs_n_phase_callback (1255)

ha_gs_protocol_approved_callback (1258)

ha_gs_protocol_rejected_callback (1261)

ha_gs_quit (1264)

ha_gs_responsiveness_callback (1266)

ha_gs_send_message (1269)

ha_gs_subscribe (1271)

ha_gs_subscriber_callback (1273)

ha_gs_unsubscribe (1276)

ha_gs_vote (1278)

joining a group as a provider (1179)

leaving a group (as a provider) (1182)

leaving a group immediately (saying goodbye) (1171)

mutability of group attributes (1156)

node number (1169)

registering with Group Services (1176)

saying goodbye (leaving a group immediately) (1172)

sending broadcast data (1188)

subscribing to a group (1191)

terminating the use of Group Services (1185)

unsubscribing to a group (1194)

voting on a proposal (1197)

Group Services subsystem

concepts (865)

coordination among applications (909)

definition (893)

design considerations (1122)

programming model (894)

protocol priorities (942)

summary of subroutines (1149)

synchronization within an application (896)

use of for coordination (911)

group state data

definition (924)

group state value

definition (926)

GS client

definition (923)

failure to responsiveness check (984)

GSAPI (Group Services Application Programming Interface)

error reference (1283)

functions supporting high availability (887)

return codes (1285)

GSAPI commands (1151)

GSAPI deactivate scripts (1223)

GSAPI First Failure Data Capture subroutine (1224)

ha_gs_announcement_callback subroutine

reference (1225)

ha_gs_change_attributes subroutine

reference (1228)

ha_gs_change_state_value subroutine

reference (1230)

ha_gs_delayed_error_callback subroutine

reference (1232)

ha_gs_dispatch subroutine

reference (1235)

ha_gs_expel subroutine

reference (1237)

ha_gs_get_adapter_info subroutine

reference (1239)

ha_gs_get_ffdc_id subroutine

reference (1241)

ha_gs_get_node_number

reference (1243)

ha_gs_goodbye subroutine

reference (1245)

ha_gs.h header file

reference (1287)

ha_gs_init subroutine

reference (1247)

ha_gs_join subroutine

reference (1249)

ha_gs_leave subroutine

reference (1252)

ha_gs_n_phase_callback subroutine

reference (1254)

ha_gs_protocol_approved_callback subroutine

reference (1257)

ha_gs_protocol_rejected_callback subroutine

reference (1260)

ha_gs_quit subroutine

reference (1263)

ha_gs_responsiveness_callback subroutine

reference (1265)

ha_gs_send_message subroutine

reference (1268)

ha_gs_special_block_t (1311)

ha_gs_special_data_t (1308)

ha_gs_subscribe subroutine

reference (1270)

ha_gs_subscriber_callback subroutine

reference (1272)

ha_gs_unsubscribe subroutine

reference (1275)

ha_gs_vote subroutine

reference (1277)

hardware techniques

for high availability (881)

header files

ha_gs.h (1288)

sample_utility.h (1296)

high availability

definition (879)

hardware techniques (880)

multicomputer environment (866)

software techniques

Group Services subsystem (885)

host membership group

subscription to host membership group (1107)

system-defined group (1108)

idempotent actions

definition (1142)

initializing with Group Services (1177)

interapplication dependency

managing with source-target groups (1101)

IP take over

for high availability (884)

join request

definition (919)

joining a group (1180)

as a provider (933)

membership list change (927)

leaving a group

as a provider (935), (1183)

membership list change (928)

leaving a group immediately (saying goodbye) (1173)

loosely synchronous consistency

definition (1074)

manual pages for public code (1315)

maximum

length of group name (1251)

membership change proposal

definition (1042)

membership change protocol

introduction (995)

membership in multiple groups

coordination of members (1100)

membership list

definition (925)

merging

of sundered networks (1120)

message size

minimizing for performance (1138)

migration

design considerations (1147)

multi-phase commit

use in Group Services (902)

multi-tailed disks

for high availability (882)

multi-threaded application

designing callback routines (1131)

multi-threaded GS client

responsiveness protocol (976), (980)

multicomputer environment

design of applications for (870)

failure (868)

recovery (869)

role of high availability (867)

multinode environment

coordination (913)

n-phase callback routine, defining (1209)

n-phase protocol

definition (990)

example (1068)

n-phase state change protocol

example (1072)

network address takeover

for high availability (883)

networks, sundered

handling of (1117)

merging of (1119)

node failure

Group Services handling (1080)

node number (1170)

nodes, SP system

Group Services domain (917)

non-voting protocol

one-phase protocol (930)

nonresponsive process

handling (970), (1026)

notification (1067)

notification

announcement (1059)

checking for (1161)

coordinating in callback routines (1129)

definition (1035)

for provider (1050)

for subscriber (1051)

ongoing protocol (1037)

protocol approval (1052)

protocol proposal (1036)

protocol rejection (1056)

responsiveness (967), (1063)

one-phase protocol

definition (988)

example (1070)

use in Group Services (901)

ongoing protocol notification

definition (1039)

peer process applications

in a multicomputer environment (878)

performance considerations

batching multiple requests (1140)

callback routines (1125)

minimizing application size (1134)

minimizing message size (1137)

ping-like responsiveness protocol

definition (975)

prerequisite knowledge for this book (863)

primary group

definition (947)

process failure

failure leave protocol (1084)

responsiveness checking (1082)

process group

use in Group Services (898)

process termination

and expel protocol (1025)

and Group Services (969)

notification (1066)

proposal

attribute change (1048)

membership change (1041)

provider-broadcast message (1046)

serialization (1079)

state value change (1044)

voting on (1199)

proposing a state change (1153)

protocol

approval (1015)

change-attributes (1000)

definition (986)

ending (1022)

expel (1023)

initiating (1013)

membership change (994)

n-phase (1002), (1012)

definition (991)

example (1069)

one-phase (989), (1011)

provider-broadcast message (998)

provider-initiated (1017)

rejection (1016)

simultaneous (1021)

source-state reflection protocol (1106)

state value change (996)

system-initiated (1014)

voting (1003)

protocol approval notification

definition (1053)

protocol approved callback routine, defining (1213)

protocol proposal notification

definition (1038)

protocol rejected callback routine, defining (1216)

protocol rejection notification

definition (1057)

protocols

approving (1007)

rejecting (1008)

provider

default vote (1006)

definition (920)

expelling (1164)

failure to responsiveness check (985)

joining a group (934), (1181)

leaving a group (936), (1184)

n-phase (1004)

proposing (1009)

rejecting (1010)

sending a message to (1190)

tokens (1096)

voting (1005)

provider-broadcast message proposal

definition (1047)

provider-broadcast message protocol

introduction (999)

provider failure

announcement (1061)

publish/subscribe programming model

basis for Group Services (895)

quitting Group Services (1187)

quorum

use with Group Services (1115)

recovery

in a multicomputer environment (874)

using GSAPI (891)

registering with Group Services (1178)

requests, Group Services

serialization (940)

responsiveness callback routine

initializing (972)

purpose (981)

responsiveness callback routine, defining (1219)

responsiveness check

definition (1065)

description (968)

initializing for (971)

responsiveness notification

definition (1064)

responsiveness protocol

counter-checking protocol (978)

no protocol (973)

ping-like protocol (974)

return codes

GSAPI (1286)

sample programs

sample_schg.c (1292)

saying goodbye (leaving a group immediately) (1174)

script, deactivate (1029)

sending a message to providers (1189)

serialization

Group Services requests (939)

notifications to subscribers (1092)

of proposals (1078)

single-threaded GS client

responsiveness protocol (977)

size

application

minimizing for performance (1136)

message

minimizing for performance (1139)

software abstractions, Group Services

barrier synchronization (905)

multi-phase commit (907)

one-phase protocol (906)

process group (903)

state data (904)

software techniques

for high availability

Group Services subsystem (886)

source-state reflection protocol

definition (1105)

source-target groups

choosing over subscription (1102)

managing interapplication dependency (1099)

source-state reflection protocol (1104)

source-target relationship

attributes (961)

SP Switch adapter alias (1306)

SP Switch adapter membership group

system-defined group (1113)

state data

use in Group Services (899)

state value, proposing a change (1154)

state value change proposal

definition (1045)

state value change protocol

introduction (997)

strongly-consistent synchronization

definition (1076)

subscribe request

definition (921)

subscriber

becoming (1193)

definition (922)

participation in group (943)

roles (1090)

tokens (1094)

unregistering as (1196)

subscriber callback routine

defining (1222)

subscribing to a group (1192)

notifications (1091)

overview (1089)

using for interapplication coordination (1093)

subscription

choosing source-target groups (1103)

subscription notification (1307)

subscription special data (1301)

formats (1302)

prerequisites (1313)

subsystems

in multicomputer environment (875)

summary of subroutines

Group Services (1148)

sundered networks

handling of (1116)

merging of (1118)

synchronization, intra-application

Group Services subsystem (897)

system partition

domain for Group Services (916)

tallying votes (1279)

terminating the use of Group Services (1186)

time limit

voting (1087)

tokens

provider (1097)

reuse (1098)

subscriber (1095)

trademarks (1314)

two-phase commit protocol

example (1071)

undoing actions

definition (1143)

unsubscribing to a group (1195)

utility functions

sample_utility.c (1294)

version code

definition (956)

votes

default (1282)

tallying (1280)

voting

approval (992)

callback routine for (1210)

on a proposal (1198)

phases (957)

protocol (987)

rejection (993)

response to protocol notification (1040)

time limit (958), (1020), (1088)

voting protocol

n-phase protocol (929)

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