Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

Concurrent I/O
benefits 102
disabling 104–105
enabling 102, 105
configuration
LVM 400
configuration VxVM 400
conversion
errors 507
non-interactive 432
speed 431
vxvmconvert 402
converting
Quick I/O files back to regular files Quick I/O
converting back to regular files 65
Quick I/O files back to regular filesQuick I/O
converting back to regular files 46
regular files to Quick I/O files 48, 68
converting a data Storage Checkpoint to a nodata
Storage Checkpoint 279
converting non-CDS disks to CDS 467
converting non-CDS disks to CDS disks 467
copy-on-write
used by instant snapshots 203
copy-on-write technique 267, 271
CREADs 84, 96
creating
Quick I/O files 41, 61
symbolic links to access Quick I/O files 41, 60
creating a DRL log 479
creating a multi-volume support file system 327
creating CDS disk groups 466
creating CDS disks 464–465
creating DRL logs 479
creating non-CDS disk groups 477
creating pre-version 110 disk groups 477
cross-platform data migration 23
cross-platform data sharing
recovery file 494
current-rev disk groups 461
customizing Cached Quick I/O 85, 97
D
data Storage Checkpoints definition 272
database
specifying type for Quick I/O 46, 65
database performance
using Quick I/O 35
databases
incomplete media recovery 197
integrity of data in 135
online backup of 155
preparing off-host replica for Oracle 525
rolling back 197
using Storage Checkpoints 195
DCO
adding to volumes 143
adding version 0 DCOs to volumes 253
considerations for disk layout 147
dissociating version 0 DCOs from volumes 257
effect on disk group split and join 147
moving log plexes 146, 256
reattaching version 0 DCOs to volumes 257
removing version 0 DCOs from volumes 257
specifying storage for version 0 plexes 256
dcolen attribute 255
deactivate
disk group 441
volume group 441
decision support
using point-in-time copy solutions 177
default activation 482
default CDS setting
changing 477
defaults files 467, 471
deport
disk group 441
destroy
disk group 442
determining
if Quick I/O installed and enabled 71
device nodes
controlling access for volume sets 321
displaying access for volume sets 321
enabling access for volume sets 320
for volume sets 319
device quotas 460, 482
displaying 482
setting 478
disable
mirror 448
disabled file system
snapshot 261
disabling Cached Quick I/O for a file 85, 97
disabling Concurrent I/O 104–105
disabling qio_cache_enable flag 79, 91
disabling Quick I/O 56, 75
547Index