=====DM-Multipath===== 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 | 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. | ====Redhat=== ===Official Documentation=== [[http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/DM_Multipath/|DM-Multipath in RHEL6]]\\ [[:linux:redhat:dm-multipath:rhel6| Process for EHEL 6]] [[http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/DM_Multipath/index.html|DM-Multipath in RHEL5]]\\ [[:linux:redhat:dm-multipath:rhel5| Process for RHEL 5]]