|Linux / Unix Command: pvcreate|
NAMEpvcreate - initialize a disk or partition for use by LVM
SYNOPSISpvcreate [-d|--debug] [-f[f]|--force [--force]] [-y|--yes] [-h|--help] [-v|--verbose] [-V|--version] PhysicalVolume [PhysicalVolume...]
DESCRIPTIONpvcreate initializes PhysicalVolume for later use by the Logical Volume Manager (LVM). Each PhysicalVolume can be a disk partition, whole disk, meta device, or loopback file. For DOS disk partitions, the partition id must be set to 0x8e using fdisk(8), cfdisk(8), or a equivalent. For whole disk devices only the partition table must be erased, which will effectively destroy all data on that disk. This can be done by zeroing the first sector with:
dd if=/dev/zero of=PhysicalVolume bs=512 count=1
- -d, --debug
- Enables additional debugging output (if compiled with DEBUG).
- -f, --force
- Force the creation without any confirmation. You can not recreate (reinitialize) a physical volume belonging to an existing volume group. In an emergency you can override this behaviour with -ff. In no case case can you initialize an active physical volume with this command.
- -s, --size
- Overrides the size of the physical volume which is normally retrieved. Useful in rare case where this value is wrong. More useful to fake large physical volumes of up to 2 Terabyes - 1 Kilobyte on smaller devices for testing purposes only where no real access to data in created logical volumes is needed. If you wish to create the supported maximum, use "pvcreate -s 2147483647k PhysicalVolume [PhysicalVolume ...]". All other LVM tools will use this size with the exception of lvmdiskscan(8)
- -y, --yes
- Answer yes to all questions.
- -h, --help
- Print a usage message on standard output and exit successfully.
- -v, --verbose
- Gives verbose runtime information about pvcreate's activities.
- -V, --version
- Print the version number on standard output and exit successfully.
ExampleInitialize partition #4 on the third SCSI disk and the entire fifth SCSI disk for later use by LVM:
pvcreate /dev/sdc4 /dev/sde
SEE ALSOlvm(8), vgcreate(8), vgextend(8), lvcreate(8), cfdisk(8), fdisk(8), losetup(8), mdadd(8)
Important: Use the man command (% man) to see how a command is used on your particular computer.