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IBM Power HMC Preparations

Ensure you have correct date/time and NTPd running to keep it accurate!

  • Login to your HMC
  • Navigate to Console Settings
    • Go to Change Date and Time
      • Set correct timezone, if not done already
      • Configure one or more NTP servers, if not done already
      • Enable the NTP client, if not done already
  • Navigate to Users and Security
    • Create a new read-only/viewer hmci user, which will be used to connect to the HMC.
    • Click Manage User Profiles and Access, edit the newly created hmci user and click User Properties:
      • Set Session timeout minutes to 120 (or at least 61 minutes)
      • Set Verify timeout minutes to 15
      • Set Idle timeout minutes to 15
      • Set Minimum time in days between password changes to 0
      • Enable Allow remote access via the web
  • Navigate to HMC Management and Console Settings
    • Click Change Performance Monitoring Settings:
      • Enable Performance Monitoring Data Collection for Managed Servers: All On
      • Set Performance Data Storage to 1 day or preferable more

If you do not enable Performance Monitoring Data Collection for Managed Servers, you will see errors such as Unexpected response: 403.

Use the HMCi debug option (--debug) to get more details about what is going on.

Configure date/time through CLI

Example showing how you configure related settings through the HMC CLI:

chhmc -c date -s modify --datetime MMDDhhmm           # Set current date/time: MMDDhhmm[[CC]YY][.ss]
chhmc -c date -s modify --timezone Europe/Copenhagen  # Configure your timezone
chhmc -c xntp -s enable                               # Enable the NTP service
chhmc -c xntp -s add -a IP_Addr                       # Add a remote NTP server

Remember to reboot your HMC after changing the timezone.