pvck

Detect consistency of LVM metadata of physical volumes

Supplementary instructions

pvck command is used to detect the consistency of LVM metadata of physical volumes. By default, the first 4 sectors in the physical volume store the LVM volume label. You can use the --labelsector option to specify other locations (for example: during data recovery).

grammar

pvck(options)(parameters)

Options

-d: debug mode;
-v: detailed information mode;
--labelsector: Specify the sector where the LVE volume label is located.

Parameters

Physical volume: Specify the device file corresponding to the physical volume to be checked.

Example

Use the pvck command to check the physical volume /dev/sdb1. Enter the following command at the command line:

pvck -v /dev/sdb1 #Check physical volume metadata
Scanning /dev/sdb1
Found label on /dev/sdb1, sector 1, type=LVM2 001
Found text metadata area: offset=4096, size=192512
Found LVM2 metadata record at offset=125952,
size=70656, offset2=0 size2=0