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

online backups
implementing 421
online invalid status 133
online relayout
changing number of columns 344
changing region size 346
changing speed of 346
changing stripe unit size 344
combining with conversion 347
controlling progress of 346
defined 54
destination layouts 340
failure recovery 58
how it works 54
limitations 57
monitoring tasks for 346
pausing 346
performing 340
resuming 346
reversing direction of 346
specifying non-default 344
specifying plexes 345
specifying task tags for 345
temporary area 55
transformation characteristics 58
transformations and volume length 58
types of transformation 341
viewing status of 345
online status 133
Operating system-based naming 78
ordered allocation 285, 292, 299
OTHER_DISKS category 84
overlapped seeks 584
P
parity in RAID-5 48
partial device discovery 81
partition size
displaying the value of 175
specifying 177
path aging 541
path failover in DMP 141
pathgroups
creating 148
paths
disabling for DMP 182
enabling for DMP 183
setting attributes of 172, 174
performance
analyzing data 526
benefits of using VxVM 521
changing values of tunables 531
combining mirroring and striping 523
effect of read policies 523
examining ratio of reads to writes 529
hot spots identified by I/O traces 529
impact of number of disk group configuration
copies 531
improving for instant snapshot
synchronization 392
load balancing in DMP 142
mirrored volumes 522
monitoring 524
moving volumes to improve 527
obtaining statistics for disks 527
obtaining statistics for volumes 525
RAID-5 volumes 523
setting priorities 524
striped volumes 522
striping to improve 528
tracing volume operations 525
tuning large systems 530
tuning VxVM 530
using I/O statistics 526
persistence
device naming option 100
persistent device name database 102
persistent device naming 102
Persistent FastResync 67–69
physical disks
adding to disk groups 200
clearing locks on 217
complete failure messages 436
determining failed 436
displaying information 132
displaying information about 132, 198
displaying spare 438
enabling 129
enabling after hot swap 129
excluding free space from hot-relocation use 441
failure handled by hot-relocation 433
initializing 97
installing 106
making available for hot-relocation 439
making free space available for hot-relocation
use 442
marking as spare 439
611Index