======VMware - ESX - Raw Device Mapping (RDM)======


=====VMware KB=====

[[http://kb.vmware.com/kb/1007021/|Expanding the size of a Raw Device Mapping (RDM)]] \\


=====Determine which RDM LUN is connected to which VM=====

Get the Physical LUN vml.xxx from the settings of the hard disk on the VM in vCenter/ESXi Host UI. \\
And then use the following commands on an ESX host connected to the storage:

<code>
# Get what naa.xxx and what is LUN number.
esxcfg-mpath -b -d vml.xxx

# More LUN info.
esxcfg-scsidevs -l -d vml.xxx 
</code>
Source: Binoche on [[https://communities.vmware.com/thread/261982|VMware Communities - Solved: help with " Physical LUN and datastore mapping File "]]