HP-UX System Administrator's Guide: Logical Volume Management HP-UX 11i v3 (B3921-90053 September 2011) Transform used: ESS version 2.2
backing up via mirroring, 68
boot file system see boot logical volume
creating, 97
determining who is using, 57, 68, 99, 100, 131
extending, 98
guidelines, 22
in /etc/fstab, 98
initial size, 21
OnlineJFS, 98
overhead, 21
performance considerations, 22
reducing, 99, 115
HFS or VxFS, 100
OnlineJFS, 100
resizing, 22
root file system see root logical volume
short or long file names, 98
stripe size for HFS, 32
stripe size for VxFS, 32
unresponsive, 109
finding logical volumes using a disk, 123
fsadm command, 99, 100
fully allocated snapshot, 103
fuser command, 55, 57, 68, 99, 100, 131
and NFS, 99, 100
G
GB, defined, 178
group device file, 44
H
hot-swappable disks, 123
HP SMH, 9, 38
managing LVM, 38
naming conventions, 13
running, 38
I
idisk command, 89, 92, 93, 136, 139
importing a volume group, 58
insf command, 89, 90, 93, 136, 139
Insight Remote Support, 145
interleaved swapping, 102
io_redirect_dsf command, 130, 133, 136
ioscan command, 35, 107, 130, 133, 136, 164
to determine device files, 43, 73
to determine hardware paths, 129, 131, 134
to determine instance numbers, 130, 132, 135
K
KB, defined, 178
L
legacy view, 12
LIF volume
area on disk, 17
maintenance mode boot, 108
requirement for boot disks, 44, 89
logical extents
and rounding logical volume size, 21
defined, 9
mapping to physical extents, 10
Logical Interface Format see LIF volume
logical volumes, 23, 101
see also boot logical volume
see also dump logical volume
see also root logical volume
see also swap logical volume
commands for, 40
configuration information, 71
creating, 52
creating on a specific disk, 54
defined, 9
determining who is using, 55, 57, 68, 99, 100, 131
device file, 14, 15, 52, 56
displaying information, 42
extending, 53
extending to a specific disk, 54
for swap, 22
naming convention, 14
performance issues, 21
reducing, 55
removing, 57
renaming, 56
size, 20
LV timeout, 161
lvchange command, 40, 53, 152
bad block relocation, 111
errors, 164
setting allocation policy, 24
setting scheduling policy, 25
setting synchronization policy, 25, 90
setting timeout, 110
lvcreate command, 40, 52, 152
for dump logical volume, 102
for swap logical volume, 102
setting allocation policy, 24
setting scheduling policy, 25
setting synchronization policy, 25
striped logical volumes, 52
without a size, 22
lvdisplay command, 10, 26, 35, 40, 42, 107, 108, 152
displaying extent status, 123
displaying mirror status, 123
displaying timeout value, 110
scheduling policy, 29
lvextend command, 40
adding a mirror, 56, 91, 94, 152
errors, 94, 164
extending a file system, 99
extending a logical volume, 53, 152
extending swap, 102
extending to a specific disk, 54, 88
lvlnboot command, 12, 17, 35, 40, 152
displaying boot information, 16, 89, 92, 94, 107, 123
errors, 165
for boot logical volume, 88, 89
for dump logical volume, 89, 103
180 Index