What are two reasons why a datastore in a Storage DRS cluster cannot enter maintenance mode? (Choose
two.)
A.
Storage latency is too high to allow Storage DRS initiate Storage vMotion.
B.
Storage DRS is configured for a VMFS3 datastore.
C.
Storage DRS is disabled on the virtual disk.
D.
Rules prevent Storage DRS from making migration recommendations.
Explanation:
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%
2Fcom.vmware.vsphere.troubleshooting.doc%2FGUID-91D4FBBC-0677-44DA-B0F2-43A3504F8CA0.html
C,D
Problem
A datastore in a datastore cluster cannot enter maintenance mode. The Entering Maintenance Mode status remains at 1%.
Cause
One or more disks on the datastore cannot be migrated with Storage vMotion. This condition can occur in the following instances.
■
Storage DRS is disabled on the disk.
■
Storage DRS rules prevent Storage DRS from making migration recommendations for the disk.
6.5 reference:
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.troubleshooting.doc/GUID-D99F9ADA-5067-4C3B-9A36-5364388B98A9.html