VERITAS Volume Manager 4.1 Administrator's Guide

Index
442
use of spare disks and free space, 333
vxrelocd, 327
I
I/O
use of statistics in performance tuning, 402
using traces for performance tuning, 405
I/O operations
maximum number in parallel, 410
maximum size of, 410
identifiers for tasks, 267
initialization of disks, 76, 83
ioctl calls, 410, 411
IOFAIL plex condition, 217
IOFAIL plex state, 214
K
kernel states
for plexes, 217
volumes, 266
L
layered volumes
converting to non-layered, 322
defined, 36, 227
striped-mirror, 28
layouts
changing default used by vxassist, 235
left-symmetric, 33
specifying default, 235
types of volume, 226
left-symmetric layout, 33
len subdisk attribute, 209
LIF area, 88
LIF LABEL record, 88
load balancing, 352
lock clearing on disks, 169
LOG plex state, 215
log subdisks
associating with plexes, 206
DRL, 46
logdisk, 246, 253
logs
adding DRL log, 283
adding for RAID-5, 285
adding sequential DRL logs, 283
RAID-5, 35, 45
removing DRL log, 284
removing for RAID-5, 287
removing sequential DRL logs, 284
resizing using vxvol, 292
specifying number for RAID-5, 253
M
master node, 353
MC/ServiceGuard
interaction with vxclustd, 362
interaction with VXVM, 366
use with VxVM in clusters, 360
memory
granularity of allocation by VxVM, 412
maximum size of pool for VxVM, 413
minimum size of pool for VxVM, 414
persistence of FastResync in, 53
messages
complete disk failure, 332
hot-relocation of subdisks, 343
partial disk failure, 331
metanodes
DMP, 111
minor numbers, 170
mirrored volumes
adding DRL logs, 283
adding sequential DRL logs, 283
changing read policies for, 293
configuring VxVM to create by default, 273
creating, 242
creating across controllers, 240, 250
creating across enclosures, 250
creating across targets, 238
creating with logging enabled, 245
creating with sequential DRL enabled, 245
defined, 226
dirty region logging, 45
DRL, 45
FastResync, 45
FR, 45
logging, 45
performance, 396
removing DRL logs, 284
removing sequential DRL logs, 284
snapshots, 52
mirrored-concatenated volumes
converting to concatenated-mirror, 322
creating, 242
defined, 27
mirrored-stripe volumes
benefits of, 26