One of my ESXi 6 hosts had the configuration issue message stating: “Deprecated VMFS volume(s) found on the host. please consider upgrading volume(s) to the latest version“. I only have two LUNs presented to my hosts and both are VMFS5:
After some brief searching I found VMware KB article 2109735 which states the possible cause:
This issue occurs because at the time of initial detection, the version of the filesystem is not known. Therefore, comparing it against the list of valid filesystems does not return a match.
Looking through the hostd log I did find the entry mentioned in the KB article. It appears that after I renamed my StarWind LUN it did not report the filesystem to the host fast enough which caused the error to occur:
The resolution was to restart the management agents on the host. I put the host in maintenance mode then restarted the management agents:
After the management services restarted the error cleared:
Leave comments below if you received this message and this KB article resolved your issue!