HP-UX System Administrator's Guide: Logical Volume Management (762803-001, March 2014)

policies for allocating, 27
policies for writing, 28
size, 12, 21
synchronizing, 29
physical volume groups, 33, 36
naming convention, 18
Physical Volume Reserved Area see PVRA
physical volumes
adding, 54
auto re-balancing, 78
commands for, 42
converting from bootable to nonbootable, 87, 183
creating, 46
defined, 12
device file, 17, 18, 177
disabling a path, 90
disk layout, 19
displaying information, 45
moving, 74, 75
moving data between, 76
naming convention, 17
removing, 54
resizing, 80
pre-allocated extents, 109
primary swap logical volume, 26
as a dump area, 26
mirroring, 93
PV timeout, 175
pvchange command, 42, 166
disabling a path, 90, 137, 140, 142, 145
errors, 180
multipathing, 31
restoring volume group configuration, 73
setting timeout, 118
sparing, 80
pvck command, 15, 42, 116, 166
pvcreate command, 12, 15, 42, 46, 166
for boot disks, 47, 92, 94, 96
sparing, 80
pvdisplay command, 13, 38, 42, 45, 115, 116, 166
finding logical volumes using a disk, 131
sparing, 31
pvlinks see multipathing
pvmove command, 42, 76, 166
abnormal termination, 78
auto re-balancing, 78
moving physical extent 0, 62, 63, 66, 68
sparing, 80
PVRA
area on disk, 20
pvremove command, 42, 166
Q
quiescing a volume group, 68
quorum, 37
defined, 119, 194
enabling, 71
error messages, 119
overriding, 70, 119, 120, 194
overriding at boot, 94, 96, 120, 142, 145
requirements for booting, 123
R
raw data logical volume
stripe size for, 35
reducing a logical volume, 57
reducing the size of a file system logical volume, 102
reinstating a spare disk, 80
remote support, 153
removing a dump logical volume, 107
removing a logical volume, 60
removing a mirror copy from a disk, 134
removing a mirror from a logical volume, 59
from a specific disk, 59
removing a physical volume from a volume group, 54
removing a volume group, 71
renaming a logical volume, 59
renaming a volume group, 69
replacing a failed disk, 137
mirrored, 137, 142
unmirrored, 139
resizing a physical volume, 80
resizing a swap logical volume, 105
restoring data
volume group configuration, 73
resuming a queisced volume group, 68
root logical volume, 92
creating, 91
information in BDRA, 19
lvlnboot, 92
mirroring, 93
requirements, 91, 101
S
scheduling policy, 28
parallel, 28
sequential, 28
scsimgr command
during disk replacement, 138, 140, 143
multipathing, 31, 90
secondary swap, 26
configuration, 105
sequential scheduling policy, 28
snapshot logical volumes
creating, 108
defined, 194
displaying, 110
fully-allocated, 109
removing, 109
space-efficient, 109
types, 109
space-efficient snapshot, 109
spanning
defined, 11
performance considerations, 33
sparing, 15, 30
creating a spare disk, 79
defined, 11, 30
198 Index