54. Configuring Disk Devices
Version A.01
H3064S Module 8 Slides

55. Disk Partitioning Each HP-UX disk can have one or more partitions.
Each partition can be used for
a file system
swap space
raw data
boot area
/home file system
/opt file system
raw oracle data
swap space
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56. Whole-Disk Partitioning
There are five ways to partition a disk using the whole disk approach.
file system
swap
raw data
boot area
file system
file system
swap
swap
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57. LVM Disk Partitioning logical volume 1 logical volume 2 Physical
Group 00
logical
volume 3
logical volume 2
Physical
Volume
logical
Volume 3
Group 01
volume 3
logical
volume 1
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58. LVM Device Files /dev dsk rdsk vg01 vg device file c0t5d0 c0t5d0 group
lvol1
c0t6d0
c0t6d0
block lv
device files
lvol2
block pv
device
files
character
(raw) pv
device
files
rlvol1
raw lv
device files
(character)
rlvol2
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59. LVM Extents LEs for lvol1 LE0 LE1 LE2 LE3 PEs for c0tld0 PE0 PE1 PE2
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60. Creating Physical Volumes
PVRA/VGRA
PVRA/VGRA
BBRA
BBRA
c0t3d0
c0t4d0
pvcreate /dev/rdsk/c0t3d0
pvcreate /dev/rdsk/c0t4d0
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61. Creating Volume Groups
vg01
PVRA/VGRA
PVRA/VGRA
c0t3d0
c0t4d0
Create: mkdir /dev/vg01
mknod /dev/vg01/group c 64 0x010000
vgcreate vg01 /dev/dsk/c0t3d0 /dev/dsk/c0t4d0
Check: vgdisplay -v vg01
pvdisplay -v /dev/dsk/c0t3d0
pvdisplay -v /dev/dsk/c0t4d0
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62. Creating Logical Volumes
vg01
myswap
myfs1
myfs2
c0t3d0
c0t4d0
Create: lvcreate -L 16 -n myswap vg01
lvcreate -L 16 -n myfs1 vg01
lvcreate -L 16 -n myfs2 vg01
Check: vgdisplay -v vg01
lvdisplay -v /dev/vg01/myswap
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63. What’s Next Using Partitions or Logical Volumes to:
create and mount file systems
add swap area(s)
Manage Logical Volumes to:
extend, reduce and remove a VG
extend, reduce and remove a LV
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