A Fibre Channel Disk can only be mounted as read/write once.
Required: Filesystem type to mount. Must be a filesystem type supported by the host operating system. Ex. 'ext4', 'xfs', 'ntfs'
Required: FC target lun number
Name of the fc_volume_source.
Optional: Defaults to false (read/write). ReadOnly here will force the ReadOnly setting in VolumeMounts.
Required: FC target world wide names (WWNs)