Nutanix Cluster Check (NCC) 4.6.6.3 introduces significant improvements and updates designed to enhance cluster diagnostics and ensure optimal health and performance. This update includes compatibility enhancements, new security patches, and the resolution of various issues to improve the overall user experience.

Compatibility

• Supported Versions:
  • Acropolis Operating System (AOS): 5.20 and later
  • Prism Central: pc.2021.5 and later
• Platform Support:
  • All Nutanix NX and SX Series models
  • Cisco UCS B-Series / C-Series
  • Dell EMC XC series, Dell PowerEdge
  • Hewlett-Packard Enterprise (HPE) Proliant servers
  • Klas Voyager 2, Lenovo Converged HX Series
  • Fujitsu XF Series, Inspur InMerge Series

Key Updates

• Log Collection:
  • Deprecation of the legacy NCC Log Collector in favor of the new Logbay utility. Logbay supports AOS 5.5.7 and later versions.
• Security Patch:
  • High-risk security patch for libcurl (CVE-2023-38545) addressing a heap buffer overflow vulnerability.

Resolved Issues

• General Fixes:
  • Multiple checks failing with "Execution terminated by exception OSError(10, 'No child processes')"
  • Various false positive alerts and check failures across different scenarios, such as the cassandra_ssd_size_check and node_storage_tier_skew_check.

Recommendations

• Ensure all clusters and nodes run the same NCC version for consistency and to leverage the latest features and fixes.
• Use the latest Logbay utility for log collection and troubleshooting