pvscan --version (return code: 0)
WARNING: Running as a non-root user. Functionality may be unavailable.
/run/lvm/lvmetad.socket: connect failed: Permission denied
WARNING: Failed to connect to lvmetad. Falling back to internal scanning.
LVM version: 2.02.133(2) (2015-10-30)
Library version: 1.02.110 (2015-10-30)
/dev/mapper/control: open failed: Permission denied
Failure to communicate with kernel device-mapper driver.
Incompatible libdevmapper (unknown version) and kernel driver (unknown version).
pvscan --help (return code: 0)
WARNING: Running as a non-root user. Functionality may be unavailable.
/run/lvm/lvmetad.socket: connect failed: Permission denied
WARNING: Failed to connect to lvmetad. Falling back to internal scanning.
pvscan: List all physical volumes
pvscan
[-b|--background]
[--cache [-a|--activate ay] [ DevicePath | -j|--major major --minor minor]...]
[--commandprofile ProfileName]
[-d|--debug]
{-e|--exported | -n|--novolumegroup}
[-h|-?|--help]
[--ignorelockingfailure]
[-P|--partial]
[--readonly]
[-s|--short]
[-u|--uuid]
[-v|--verbose]
[--version]