- PR 2271176: ESXi hosts might fail with a purple diagnostic screen during power off or deletion of multiple virtual machines on a vSphere Virtual Volumes datastore ESXi hosts might fail with a purple diagnostic screen during power off or deletion of multiple virtual machines on a vSphere Virtual Volumes datastore. You see a message indicating a PF Exception 14 on the screen. This issue might affect multiple hosts. This issue is resolved in this release.
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PR 2423302: After you revert a virtual machine to a snapshot, change block tracking (CBT) data might be corrupted When reverting a virtual machine on which CBT is enabled to a snapshot which is not a memory snapshot, and if you use the
QueryChangedDiskAreas()API call, you might see anInvalidArgumenterror. This issue is resolved in this release. With ESXi650-201912002, the output of theQuerychangedDiskAreas ()call changes toFileFaultand adds the messageChange tracking is not active on the disk <disk_path>to provide more details on the issue. With the fix, you must power on or reconfigure the virtual machine to enable CBT after reverting it to a snapshot and then take a snapshot to make a full backup. -
PR 2385716: Virtual machines with Changed Block Tracking (CBT) enabled might report long waiting times during snapshot creation
Virtual machines with CBT enabled might report long waiting times during snapshot creation due to the 8 KB buffer used for CBT file copying. With this fix, the buffer size is increased to 1 MB to overcome multiple reads and writes of a large CBT file copy, and reduce waiting time.
This issue is resolved in this release.