reconfiguration, I/O 1-125
record, error, writing 1-162
recording area
clearing 1-163 formatting 1-163
recording Jlode BCC 1-156
processor retry 1-156
recovery from system failure 1-149 MCH functional 1-151
operator-initiated restart 1-151 system 1-151 system repair 1-151
of closed checkpointed spool file 1-225 System/370 1-151
control registers used by MCH 1-152
ECC validity checking 1-152
processor retry 1-151
Recovery Manage.ent support RMS (Recovery Management support» reduction
of CP overhead, for virtual machine I/O 1-27
of paging activity 1-27
of SIO operation 1-26
reenterable code, usage 1-27
reflection for the dispatched user 1-214
releasing, virtual storage pages 1-53,1-207 relocation, virtual 1-117 remote 3270 binary synchronous line
enabling/disabling 1-201 error recovery 1-171,1-202
CCi format 1-98
data formats 1-103 I/O programs for 1-99
programming 1-97
request handler, 3270 I/O 1-201 request stack, CP 1-136
requests
for real storage page frames 1-108 I/O scheduling 1-91
virtual 1-84 paging 1-105 RESERVE, operand 1-5
reserved page frames, performance option
1-5,1-29,1-32
reserve/release 1-94
resident, executable modules 1-80 resources, processor 1-11
restart, MCH, operator-initiated 1-151
restrictions, pageable CP aodules 1-79
return a page of free storage 1-203 RMS (Recovery Management support) S 1-149,1-220
channel check handler (CCD) 1-149
control register assignments 1-152
aachine check handler (MCH) 1-149 system initialization 1-150 saved systells
finding 1-69
verifying existence of 1-69
saving the 3704/3705 control program image 1-224
scheduler
functions, other 1-216 I/O paging 1-206 scheduling 1-214
console 1-198
interrupt handling 1-195 I/O 1-91,1-190,1-195 support routines 1-136
users for execution 1-215
virtual machines 1-128
exa.ples 1-130 second-level storage 1-117 seg.ent, shared segment)
seg.ent table 1-5,1-118
shadow 1-118
virtual 1-118
selector channel, virtual, I/O requests
1-86
shadow table 1-5,1-118
invalidation 1-119
shared reserve/release 1-94
shared segment attached processor 1-180 storage managellent 1-206 shutdown, normal 1-210 simulation privileged instruction 1-3,1-25
virtual console 1-96
control routine 1-97
invalid operation 1-97
read routine 1-96
sense operation 1-97
TIC operation 1-97
write routine 1-97
single-instruction !lode 1-9 SIO start I/O (SIO) instruction)
virtual 1-84 SMSG special message facility 1-41
usage 1-42
soft error, recovery 1-117 space, allocation, DASD 1-139
1-434 IBM VM/370 System Logic and Problem Determination Guide

special message facility, S8SG 1-40
spool buffer, management 1-138
spool data, format 1-137
spool file
attributes 1-145
checkpoint
initialization 1-224
recovery 1-224
closing with V8/VS Handshaking feature
1-43
commands 1-144
DASD, space exhausted 1-149
deletion of 1-219
error recovery 1-148
format 1-131
management, commands 1-141
manipulation 1-53
real
input processing 1-143
output processing 1-142
recovery
after checkpoint start 1-8
after force start 1-9
after warm start 1-8
states 1-145
virtual
input processing 1-141
output processing 1-140 spooling 1-216
commands
for real device 1-146
for virtual device 1-146
CP 1-136
DASD errors 1-148
described 1-1
real 1-22
management 1-142
terminal input 1-9
terminal output 1-9
to the real input device 1-219
to the real printer 1-218
to the real punch 1-218 via RSCS i-7
virtual 1-21
management 1-139
virtual console 1-141
virtual device to real device 1-216
start V8/310 cold 1-14
warm 1-14
Start I/O (SIO) instruction
handling 1-26
operation, CP 1-195
reducing 1-26
virtual 1-84
start/stop terminals, interrupt processing
1-191
states, spool file 1-145
status, changes, user 1-132
storage
allocation 1-203 dynamic paging 1-21
free, management of 1-11
protection 1-11
size, determining for virtual machine 1-61
storage management free 1-201
shared segment 1-206 temporary disk 1-206
storage protection
fetch 1-11
storing 1-11
storing, storage protection 1-11
subpool
calling D8KFREE for 1-121
calling DBKFRET for 1-121
subroutines
CCB
channel control 1-158
channel error analysis 1-159 BCH 1-152
buffer error 1-151
initial analysis 1-153 main storage analysis 1-154
operator communication 1-155
recovery facility mode switching
1-155
soft recording 1-156
storage protect feature (SPF)
analysis 1-154
termination 1-151
virtual user termination 1-155
supervisor, I/O 1-83
supervisor state, SVC interrupts,
processing of 1-184
support, dedicated channel 1-96
support routines, dispatching and
scheduling 1-136 SVC interrupt 1-74 handling 1-11 problem state 1-11,1-183
supervisor state 1-17,1-184 SVC 76 error recording 1-161,1-222 system dump of 1-210 dump spool file, reading 1-62
failure, recovery 1-149
initialization 1-122,1-209
for RBS 1-150 start, warm 1-209 symbol table, reading 1-63
termination 1-123
virtual machine, attaching to 1-211 system support modules 1-19
Index 1-435