You can use the Commvault VMFSSanInfo tool to get information about the mapping between physical disks and datastores.
The tool is available on VSA proxies:
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Windows machines: C:\Program Files\Commvault\ContentStore\Base folder
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Linux machines: /opt/commvault/iDataAgent folder
Arguments
help
Show usage options.
disks
Shows the mapping between physical disks and datastores.
disks -showguid
Shows the mapping between physical disks and datastores and shows the VMFS GUID.
datastores
Shows the mapping between datastores and physical disks.
datastore datastore_name
Show the mapping between a datastore name and physical disks.
disk disk_name
Shows the mapping between a disk name and a datastore.
Examples
VMFSSanInfo helpVMFSSanInfo disksVMFSSanInfo disks -showguidVMFSSanInfo datastoresVMFSSanInfo datastore DataStore1VMFSSanInfo disk PhysicalDisk1