This issue occurs only on vSAN all-flash hosts with deduplication and compression enabled and only when the following conditions are met:
- You have an existing disk group created on a vSAN version earlier than vSAN 7.0 Update 3.
- You have added new capacity disks to such a disk group.
- You upgrade the vSAN host to ESXi 8.0 Update 1.The issue does not impact vSAN hosts with compression-only or checksum-only disk groups.
This PSOD may occur repeatedly but typically will not prevent a normal reboot of the host.
Issue Detection ToolAttached to this KB is a script that helps determine if a vSAN cluster is exposed to this issue or not.
Customers planning to upgrade their vSAN clusters to vSAN 8.0U1 are requested to use this script to determine their exposure to this issue.
Two files are available for download in this KB:
- README-Issue-Detection-Tool-kb-92458.pdf
- Issue-detection-tool-kb-92458.zip