vol_id - Unix, Linux Command

NAME

vol_id - probe filesystem type and read label and uuid

SYNOPSIS

Tag	Description
vol_id [--export] [-t] [-l] [-u] [device]

DESCRIPTION

vol_id is usually called from a udev rule, to provide udev with the filesystem type, the label and the uuid of a volume. vol_id supports all common filesystem formats and detects various raid setups to prevent the recognition of raid members as a volume with a filesystem.

OPTIONS

Tag	Description
--export
	print all values in key/value format to import them into the environment.
-t	print the filesystem type
-l	print the label of a volume
-u	print the uuid of a volume

ENVIRONMENT

Tag	Description
UDEV_LOG
	Set the syslog priority.

EXIT STATUS

vol_id will only return successful if the value asked for is not empty. All trailing whitespace will be removed, spaces replaced by underscore and slashes ignored.