The pvdisplay command is used to display the properties of physical volumes in LVM (Logical Volume Manager). It provides information about the physical volume such as its size, UUID, and the volume group it belongs to.
Overview
The pvdisplay command displays the properties of physical volumes in LVM. It provides information about the physical volume such as its size, UUID, and the volume group it belongs to.
Here is an example of how to use the pvdisplay command:
$ pvdisplay
This will display a list of all physical volumes on the system, along with their properties.
Specific Use Cases
Some specific use cases for the pvdisplay command include:
- Checking the properties of a physical volume before adding it to a volume group
- Verifying that a physical volume is functioning properly
- Troubleshooting issues with a physical volume
Options
The following table lists the available options for the pvdisplay command:
| Option | Description |
|---|---|
-C |
Display output in a comma-separated format |
-m |
Display information about the physical volume’s metadata areas |
-s |
Display only a summary of the physical volume’s properties |
-v |
Display verbose output |
Troubleshooting Tips
If you encounter issues with the pvdisplay command, here are some troubleshooting tips:
- If you receive an error message that the command is not found, make sure that LVM is installed on the system.
- If the command does not display any output, make sure that there are physical volumes on the system.
- If the command displays unexpected output, make sure that you are using the correct options and syntax.
Notes
- The
pvdisplaycommand is part of the LVM (Logical Volume Manager) package and is typically installed by default on most Linux distributions. - The output of the
pvdisplaycommand can be used in conjunction with other LVM commands, such asvgdisplayandlvdisplay, to provide a complete view of the logical volumes on the system.