How to perform a health check in ONTAP 9

Applies to

• ONTAP 9
• AFF & FAS Systems

Description

• This article describes the procedure to conduct a basic system health check for the following scenarios:
  • ONTAP upgrades or Firmware upgrades
  • Hardware replacements
  • Maintenance activities
  • Power related events
•  For a full list of commands to check system health, see How to perform a cluster health check with a script in ONTAP

Procedure

1. Confirm each node in the cluster shows true for both Health and Eligibility:

::> cluster show

2. Confirm the System Storage Configuration shows expected MPHA state (multi-path, quad-path, single-path):

::> system controller config show -slot "-" -device System

3. Confirm the SP/BMC is online:

::> system service-processor show -fields status

4. Confirm each aggregate is online:

::> storage aggregate show -fields state

5. Confirm all volumes are online:

::> volume show -fields state

6. Confirm the state of each network port is as expected:

::> network port show

7. Confirm all LIFs are home and operational:

::> network interface show -fields is-home,status-oper

8. Confirm there are no system faults present:

::> system health alert show

9. Confirm no storage faults are present:

::> system health subsystem show

10. Confirm all EMERGENCY/ALERT/ERROR/INFO events in past 24 hours.

         ::> event log show -severity <=NOTICE -time >24h

11. Confirm that any CIFS shares that should be connected are so:

::> vserver cifs show
::> vserver cifs session show
::> vserver cifs connection show