Nutanix has released updated latest version of BIOS with significant improvement in stability and proactive detection of problematic DIMMs and prevent unnecessary service disruption as a result of uncorrectable memory errors (UECC).
If you are also facing issues in BIOS, LCM, BMC, and NCC then you should upgrade it to latest one – that will be better for your cluster stability and performance.
BIOS Affected Versions
Following are the affected / problematic version of BIOS running on NX-G6 / G7 Platforms with BIOS versions:
- PB41.002 and prior
- PU41.002 and prior
- PW42.000 and prior
Above BIOS version PB41.002,PU41.002and PW42.000 released with following improvements but having lots of known issues.
- Improved proactive detection of memory errors during Patrol Scrub
- Reduction in correctable memory error threshold to generate an alert
- Enabling of Adaptive Data Correction (ADC)
If your Nutanix NX node are running on above BIOS version or prior then you must upgrade it to latest one.
Read also: Nutanix AHV – Boot VM in BIOS UEFI Mode
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:
- PB42.300 or later
- PU42.300 or later
- PW42.300 or later
Nutanix Latest BIOS Version PB42.300,PU42.300 and PW42.300 having following improvements /fixes :
- 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 unexpectedly
Upgrade Comparability Matrix
Nutanix recommends to upgrade your Nutanix cluster to latest software – LCM, BMC, BIOS and NCC versions to following version or later.
|Platform||BMC Version||BIOS Version||NCC Version||LCM Version|
|BMC-7.07||BIOS-PB42.300||NCC 3.9.5||LCM 184.108.40.206|
|BMC-7.07||BIOS-PU42.300||NCC 3.9.5||LCM 220.127.116.11|
|BMC-7.05||BIOS-PW42.300||NCC 3.9.5||LCM 18.104.22.168|
Follow above upgrade matrix to upgrade the software.
Read more: Top 10 Nutanix Useful Commands
How to upgrade Nutanix software through Nutanix Prism – watch this video.
Hopefully, Now you can upgrade your Nutanix acropopolis cluster with latest one to improve the stability and performance.
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