IJ27236: UNKNOWN NETWORK FOR TYPEERROR: UNHASHABLE TYPE: 'LIST'

APAR status

• Closed as program error.

Error description

• Customer upgraded Spectrum Scale from 5.0.4.1 to 5.0.5.1.
  The NETWORK changed to UNKNOWN since then. mmsysmonitor
  log contains such error:
  
  
  2020-08-23_08:46:37.774-0500: [E] ET_network      Network
  monitoring loop Exception (unhashable type: 'list') -
  NetworkService._monitor:90
  Traceback (most recent call last):
    File "/usr/lpp/mmfs/lib/mmsysmon/NetworkService.py",
  line 67, in _monitor
      NetworkAdapterFactory.doMonitor()
    File "/usr/lpp/mmfs/lib/mmsysmon/NetworkUtilities.py",
  line 274, in doMonitor
      cls._updateCache()
    File "/usr/lpp/mmfs/lib/mmsysmon/NetworkUtilities.py",
  line 338, in _updateCache
      cls._updateCESSpecificCache()
    File "/usr/lpp/mmfs/lib/mmsysmon/NetworkUtilities.py",
  line 410, in _updateCESSpecificCache
      ips.add(cls._normalizeIPv6(tmpIP))
  TypeError: unhashable type: 'list'
  

Local fix

Problem summary

• In certain conditions the monitoring code
  will not work properly resulting in an
  erroneous state being shown
  

Problem conclusion

• Benefits of the solution:
  After the fix monitoring will run as expected
  
  Work Around:
  Switch CES Policy to "even-coverage".
  
  Problem trigger:
  CES policy is "node-affinity" and
  ces-groups are declared
  
  Symptom:
  Error output/message
  Unexpected Results/Behavior
  
  Platforms affected:
  ALL Operating System environments
  
  Functional Area affected:
  System Health
  
  Customer Impact:
  High Importance
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  SPEC SCALE DME

• Fixed component ID

  5737F34AP

Applicable component levels