The vgremove command is used to remove a volume group from a system that uses Logical Volume Management (LVM). This command is used when a volume group is no longer needed, or when the storage devices that make up the volume group are being repurposed.
Overview
The vgremove command requires the name of the volume group to be removed as an argument. Once executed, the command will remove the volume group and all of the logical volumes contained within it. It is important to note that this command does not remove any physical volumes that may have been added to the volume group.
Syntax
The syntax for the vgremove command is as follows:
vgremove [options] volume_group
Example
To remove a volume group named vg01, the following command would be used:
vgremove vg01
Use Cases
The vgremove command is used when a volume group is no longer needed or when the storage devices that make up the volume group are being repurposed. This command can also be used when a volume group is corrupt and needs to be removed.
Options
The vgremove command has the following options:
| Option | Description |
|---|---|
| -h, –help | Display help message and exit |
| -v, –verbose | Display verbose output |
| -f, –force | Force the removal of the volume group, even if it is still in use |
| -A, –all | Remove all volume groups |
Troubleshooting tips
If you receive an error message stating that the volume group is still in use, you can use the -f option to force the removal of the volume group. However, be aware that this can cause data loss if there are any active logical volumes within the volume group.
If you receive an error message stating that the volume group cannot be removed because it is still in use, you should first ensure that all logical volumes within the volume group have been deactivated and unmounted. You can use the lvchange command to deactivate logical volumes and the umount command to unmount file systems.
Notes
It is important to note that the vgremove command will remove all logical volumes contained within the volume group. If you only want to remove a specific logical volume, you should use the lvremove command instead.
Additionally, the vgremove command does not remove any physical volumes that may have been added to the volume group. If you want to remove a physical volume from a volume group, you should use the pvmove command to move the data off of the physical volume and onto another physical volume, and then use the vgreduce command to remove the physical volume from the volume group.