Today while working in my Lab I was seeing following warning message on my Esxi host:
Deprecated VMFS volume(s) found on the host. Please consider upgrading volume(s) to the latest version

1

This error occurred just after I added a new shared LUN from my openfiler appliance.

If you SSH to Esxi host you will see error similar to as shown below in the /var/log/hostd.log file

[root@harry:/var/log] cat hostd.log | grep “VMFS volume”
2016-04-01T16:51:14.942Z warning hostd[337F2B70] [Originator@6876 sub=Hostsvc.DatastoreSystem opID=7e27fc0f-5d18-42e9-881e-32243c0ab973-1223-ngc-25-e4-30-bf0c user=vpxuser] VMFS volume [/vmfs/volumes/56fea6e4-8714148f-7b99-000c291899c1] of version [0] is not supported.
[root@harry:/var/log]

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As per VMware KB-2109735 this is a known issue affecting vCenter Server 6.0

Cause:

This issue occurs because the version of the filesystem is not known during the initial detection. Therefore, comparing it against the list of valid filesystems does not return a match.

Starting with vSphere 6.0 the VMFS3 version is now deprecated, but in my case all block based datastores were already at VMFS version 5!

Resolution:

There is currently no resolution available for this issue but there is a workaround which helps in getting rid of this error.

Workaround:

Restart the management agents on the impacted hosts to clear the warning using the DCUI or the local command line.

[root@harry] services.sh restart

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Posted in: Vmware.
Last Modified: April 2, 2016

0 thoughts on “Deprecated VMFS volume(s) found on the host. Please consider upgrading volume(s) to the latest version

  1. Chris Childerhose

    Please note that it appears that Update 2 fixes this issue when you update both VC and Hosts. I just added 3 datastores and did not encounter this warning.

    1. Alex Hunt Post author

      Hey Chris,

      Thanks for the heads up on this. I will test vSphere 6 U2 soon in my lab.

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