vgdisplay command is used to display information about the LVM (Logical Volume Manager) volume groups that are currently active on a Linux system. This command provides a detailed overview of the volume group’s physical and logical volumes, as well as the attributes that define them.
vgdisplay command is used to display information about the LVM volume groups that are currently active on a Linux system. This command provides a detailed overview of the volume group’s physical and logical volumes, as well as the attributes that define them.
To use the
vgdisplay command, simply enter the command followed by the name of the volume group you want to display information about. For example:
This will display detailed information about the
vg01 volume group, including the number of physical volumes, the total size of the volume group, and the number of logical volumes that are currently active.
Here are some common examples of how the
vgdisplay command can be used:
- Display information about all volume groups on the system:
- Display information about a specific volume group:
- Display information about a specific logical volume:
vgdisplay -v /dev/vg01/lv01
The following table lists all available options for the
||Use colon-separated output instead of the default format|
||Do not print headings at the beginning of each section|
||Display information about logical volumes|
||Specify which fields to display|
||Use short output format|
||Use verbose output format|
Here are some common issues you may encounter when using the
vgdisplay command, along with troubleshooting tips:
- Error: Cannot open /dev/VolGroup00/LogVol00: No such file or directory
This error usually occurs when the logical volume or volume group you are trying to display information about does not exist. Double-check the name of the volume group or logical volume and try again.
- Error: Failed to read physical volume “/dev/sdb1”
This error usually occurs when the physical volume that is part of the volume group is not available or has been removed. Check the status of the physical volumes using the
vgdisplaycommand is part of the LVM (Logical Volume Manager) package, which is typically installed by default on most Linux distributions.
- The information displayed by the
vgdisplaycommand can be very useful for troubleshooting issues with storage and disk space on a Linux system.
vgdisplaycommand should be used in conjunction with other LVM commands, such as
lvdisplay, to get a complete picture of the storage configuration on a Linux system.