Reading Time: 2 minutes Some weeks ago, VMware has discover a possible issue in all VMware vSAN 6.6 and 6.7 cluster, related to hot (or also cold) disk-extend operations. Applications such as databases report in-guest data inconsistency on a VMDK that has been extended while residing on VMware vSAN 6.6 and later. More information of this issue are provided in the VMware KB 58715 (Virtual Machines running on VMware vSAN 6.6 and later report guest data consistency concerns following a disk extend operation).