BIOS stability improvements in early detection and error handling related to memory DIMMs

Products Affected:
NX-G6/G7 Platforms with BIOS versions prior to PB42.300, PU42.300 or PW42.300 or later


If we go in IPMI we can see critical error like

Correctable ECC
IPMI Error.

Nutanix has further improved the ability to detect problematic DIMMs and prevent unnecessary service
disruption as a result of uncorrectable memory errors (UECC).

BIOS improvements introduced in PB41.002,PU41.002 and PW42.000 or later include:
• Improved proactive detection of memory errors during Patrol Scrub alerts will generate in NCC
• Reduction in correctable memory error threshold to generate an alert
• Enabling of Adaptive Data Correction (ADC)

BIOS improvements introduced in PB42.300,PU42.300 and PW42.300 include:

• Enabling of Post Package Repair (PPR)
• Patrol Scrub correctable errors integrated into the CECC error handling and operate as a part of the RAS workflow
• Fixed an issue where a watchdog “three-strike” error could cause the host to stop or restart


Latest Stable BIOS Version

Nutanix has released latest stable BIOS version with stability and lots of improvements / fixes in early detection and error handling related to memory DIMMs.

Nutanix NX – BIOS latest and stable version are that can be repair DIMM after host reboot.:

  1. PB42.300 or later
  2. PU42.300 or later
  3. PW42.300 or later

Leave a Reply