---
name: "devmap_name"
section: "8"
platform: "linux"
package: "multipath-tools"
version: "0.4.8-14+lenny2"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/devmap_name"
---

# devmap\_name(8)

Query device-mapper name

## NAME

devmap\_name - Query device-mapper name

## SYNOPSIS

**devmap\_name** *major minor*

## DESCRIPTION

**devmap\_name** queries the device-mapper for the name for the device specified by *major* and *minor* number.\
 **devmap\_name** can be called from **udev** by the following rule in */etc/udev/udev.rules*:

```
KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", \
	NAME="%k", SYMLINK="%c"
```

## SEE ALSO

[**udev**(8)](/udev/8.md), [**dmsetup**(8)](/dmsetup/8.md)

## AUTHORS

**devmap\_name** was developed by Christophe Varoqui, \<christophe.varoqui@free.fr\> and others.