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Exalogic Exachk Health-Check Tool Known Issues (Doc ID 1478378.1)

Last updated on SEPTEMBER 20, 2022

Applies to:

Oracle Exalogic Elastic Cloud Software - Version and later
Linux x86-64


This document provides information on known issues related to Exachk health-check tool for Exalogic.




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In this Document
 1. Remote Root Login
 2. Error Message Indicating Existence of Another Exachk Instance
 3. False Positives due to Prompts in User Profile
 4. Extra File Extension
 5. Exachk zip file, exachk_<version_number> Wrapped in Another Layer of Compression
 6. Skipped Checks For Compute Nodes, Storage Appliance & Switches
 7. Checks Fail on Exalogic Elastic Cloud Software Version
 8. Exachk Report Does Not Display the Exalogic System Identifier
 9. Skipped Test due to Non-Standard Hostname Naming Convention
 10. Missing Rack Type
 11. Exachk Failing At Software Profile Check Complaining On Missing ipmitool-
 12. Exachk Not Reporting System Health Score When Run From DOM0 In Exalogic Virtual Environment
 13. Hardware and Firmware Profile Check failing on PSU Versions, and
 14. False positive on "Network Interface Connectivity for Control vServers" for an upgraded vDC from 2.0.4.x.x to 2.0.6.x.x
 15. False positive on "NTP Configuration for Control vServers" when run in a hybrid rack.
 16. Exachk Version "225_20140530" does not run ZFSSA health checks on X4-2 racks
 17. Exachk reports "class Loading Error" for uce-scheduler even though it has been turned off
 18. Exalogic Exachk Indicates Low Compute Node Memory. Remediation Steps Are Wrong, Produce An Error
 19. "ZFS Mirror Profile Status" check is not correctly checking the status.
 20. Missing partial checks for ZFSSA
 21. Exachk reporting skipped switch related checks
 22. Exachk reporting Xen vulnerability patch has not been patched for all the OVS nodes
 23. Exachk falsely reports the following ZFS warning :  ZFS Storage Appliance Check : The domain setting between NFSv4 and NIS does not match.
 24. In Exalogic Linux Physical racks running Jan 2015 PSU, Exachk reports "IPoIB is not in connected mode" on compute nodes.
 25. False positive on Ghost vulnerability check on Exalogic Linux Physical and Virtual releases earlier than
 26. False positive on "IBSWITCHES INFORMATION VALIDATION " check in Exachk version ""
 27. False positive on warning for Virtual memory tuning check on Exalogic physical rack 
 28. INFO alert for ARI BIOS setting on Compute nodes.
 29. WARNING for Switch Check EoIB Control SL and EoIB Data SL in Exachk version "".
 30. Exachk Not Collecting Checks Information From Exalogic IB Spine Switch.
 31. Failed false-postive bios checks (ari, sr-iov) on the x4-2 rack.
 32. False alerts in Exachk version - Infiniband Switch - Exachk alert for "Life expectancy".
 33. False alerts regarding "Life expectancy" on IB Switches running FW version 2.0.X
 34. False alert regarding correct IB card slot check
 35. Exachk reports failure for free space check on IB switches after applying OCT 2016 PSU
 36. Exachk v12. Showing 3rd Storage Head in ZFS Storage Appliances Report
 37. Exachk Version Execution Fails On Exalogic Racks With October 2017 & later PSU's With "An unexpected error occurred" Error
 38. Exalogic Exachk Version "daemon" Feature Does Not Work As Expected
 39. Exalogic Exachk Version Guest vServers Checks Not Working
 40. Exachk displays incorrect exachk version in 'exalogic rack summary' table 
 41. EXACHK Recognizes the Rack Type as Virtual when ran on a Physical rack
 42. Exalogic: Exachk Version "18.3.0_20180808" Reports Skipped Checks for ZFS Storage Head ILOM's
 43. Exalogic: Exachk Version: 18.4.0_20181129 Throwing "RC-002- Unable to read driver files" Error
 44. Exalogic: Getting "Found cgrep file or dir under /exalogic-general/exachk. Please delete or rename the file or dir and run exachk again" Error When Running Exachk Tool
 45. Exalogic Virtual: "/" Root Filesystem Becoming Full On Compute Nodes When Executing Exachk Report
 46. Exalogic Virtual: - Exachk reports WARNING "PCI 64-bit resource allocation is not disabled"
 47. False Positive On "WARNING System Wide Check The NTP configuration for the switch nodes does not match Oracle VM Servers." In A Virtual Rack
 48. False Positive On "WARNING OS Check NTP is not synchronized." Across Compute Nodes (dom0) In A Virtual Rack
 49. Exachk reports WARNING "O2cb cluster heartbeat timeout threshold is not 43201"
 50. Exachk reports WARNING "MTU for one or more InfiniBand Links within Control vServers are not set to recommended values"

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