Device Mapper Commands
| Command | Descriptions |
|---|---|
| multipath -h | Prints usage information |
| multipath -ll | Displays the current multipath topology using all available information (sysfs, the device mapper, path checkers, and so on) |
| multipath | Re-aggregates multipathing device with simplified output. |
| multipath -f <multipath_dev_node> | Flushes out Device Mapper for the specified multipathing device. Used if the underlying physical devices are deleted/unmapped. |
| multipath -F | Flushes out all unused multipathing device maps. |