Common Lvm Tasks; Initializing A Disk For Lvm Use - HP -UX 11i Administrator's Manual

Common LVM Tasks

The section addresses the following topics:
"Initializing a Disk for LVM Use" (page 43)
"Creating a Volume Group" (page 44)
"Migrating a Volume Group to a Different Version: vgversion" (page 46)
"Adding a Disk to a Volume Group" (page 51)
"Removing a Disk from a Volume Group" (page 51)
"Creating a Logical Volume" (page 52)
"Extending a Logical Volume" (page 53)
"Reducing a Logical Volume" (page 55)
"Adding a Mirror to a Logical Volume" (page 55)
"Removing a Mirror from a Logical Volume" (page 56)
"Renaming a Logical Volume" (page 56)
"Removing a Logical Volume" (page 57)
"Exporting a Volume Group" (page 57)
"Importing a Volume Group" (page 58)
"Modifying Volume Group Parameters" (page 58)
"Quiescing and Resuming a Volume Group" (page 65)
"Renaming a Volume Group" (page 66)
"Splitting a Volume Group" (page 67)
"Removing a Volume Group" (page 68)
"Backing Up a Mirrored Logical Volume" (page 68)
"Backing Up and Restoring Volume Group Configuration" (page 69)

Initializing a Disk for LVM Use

CAUTION:
on the disk.
NOTE: If your disk is already connected to the system, skip the first four steps of this procedure.
To initialize a disk for use as a physical volume, follow these steps:
1. Shut down and power off the system.
2. Connect the disk to the system and power supply. For detailed information and instructions
on adding a particular type of disk, see your device documentation.
3. Power on the disk.
4. Boot the system.
5. Determine the disk's associated device file. To show the disks attached to the system and their
device file names, enter the ioscan command with the -f, -N, and -n options. For example:
# ioscan -f -n -N -C disk
For more information, see ioscan(1M).
Initializing a disk using pvcreate results in the loss of any existing data currently
Common LVM Tasks 43