Veritas Volume Manager 5.0.1 Administrator's Guide, HP-UX 11i v3, First Edition, November 2009

volumes (continued)
layered 46, 52, 276
limit on number of plexes 35
limitations 35
making immediately available for use 303
maximum number of 533
maximum number of data plexes 524
merging snapshots 402
mirrored 44, 275
mirrored-concatenated 45
mirrored-stripe 45, 275
mirroring across controllers 287, 296
mirroring across targets 285, 296
mirroring all 315
mirroring on disks 315
mirroring VxVM-rootable 114
moving from VM disks 337
moving to improve performance 527
names 35
naming snap 363
obtaining performance statistics 525
performance of mirrored 522
performance of RAID-5 523
performance of striped 522
performing online relayout 340
placing in maintenance mode 313
preparing for DRL and instant snapshot
operations 318
preventing recovery on restarting 314
RAID-0 40
RAID-0+1 45
RAID-1 44
RAID-1+0 46
RAID-10 46
RAID-5 48, 275
raw device files 304, 587
reattaching plexes 268
reattaching version 0 DCOs to 409
reconfiguration in clusters 466
recovering after correctable hardware
failure 436
removing 336
removing DRL logs 328
removing from /etc/fstab 337
removing linked snapshots from 384
removing mirrors from 316
removing plexes from 316
removing RAID-5 logs 329
removing sequential DRL logs 328
volumes (continued)
removing snapshot mirrors from 384
removing support for DRL and instant
snapshots 323
removing version 0 DCOs from 409
resizing 330
resizing using vxassist 331
resizing using vxresize 330
resizing using vxvol 333
restarting moved 236, 238–239
restoring from instant snapshots 387
restrictions on VxVM-bootable 113
resynchronizing from snapshots 402
snapshots 63
spanned 38
specifying default layout 283
specifying non-default number of columns 295
specifying non-default relayout 344
specifying non-default stripe unit size 295
specifying storage for version 0 DCO plexes 408
specifying storage for version 20 DCO
plexes 319
specifying use of storage to vxassist 283
starting 314
starting using vxassist 303
starting using vxvol 303
states 308
stopping 313
stopping activity on 336
striped 40, 275
striped-mirror 46, 276
striping to improve performance 528
taking multiple snapshots 363
tracing operations 525
trigger point for mirroring in striped-mirror 296
types of layout 274
upgrading to use new features 324
using logs and maps with 276
zeroing out contents of 303
vxassist
adding a log subdisk 255
adding a RAID-5 log 328
adding DCOs to volumes 407
adding DRL logs 326
adding mirrors to volumes 266, 315
adding sequential DRL logs 327
advantages of using 278
command usage 279
configuring exclusive access to a volume 483
621Index