vol_id(8)
NAME
vol_id - probe filesystem type and read label and uuid
SYNOPSIS
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
- --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
- 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.
AUTHOR
Written by Kay Sievers <kay.sievers@vrfy.org>