VxRail: How to Check the ESXi Maintenance Mode Status from the vSAN Perspective

• To check if ESXi has entered maintenance mode with vSAN, or is stuck, run the following command:

cmmds-tool find -t NODE_DECOM_STATE -f json

• The output should be similar to:

{
   "uuid": "5c99d5dd-3f98-0ee0-6f75-e4434b398000",
   "owner": "5c99d5dd-3f98-0ee0-6f75-e4434b398000",
   "health": "Healthy",
   "revision": "2546",
   "type": "NODE_DECOM_STATE",
   "flag": "2",
   "minHostVersion": "0",
   "md5sum": "5919c7a6c18472bea464f097b577e011",
   "valueLen": "144",
   "content": {"decomState": 0, "decomJobType": 0, "decomJobUuid": "00000000-0000-0000-0000-000000000000", "progress": 0, "affObjList": [ ], "errorCode": 0, "updateNum": 0, "majorVersion": 0, "auditReport": "", "numObjectsEvacuated": 0, "totalObjectstoEvacuate": 0, "bytesToSyncRemaining": 0, "totalBytesToSync": 0},
   "errorStr": "(null)"
 }

• In the output, locate the decomState status. Below are the known statuses for decomState and their meanings:
  • decomState: 0: This means that the node is not in maintenance mode.
  • decomState: 4: This means that the node is entering maintenance mode.
  • decomState: 6: This means that the node is in maintenance mode from a vSAN perspective.
• If the node is stuck entering or exiting maintenance mode for any reason, try the following:
  • If ESXi from vCenter can enter maintenance mode (the option is available when right-clicking ESXi), try to enter and exit (or exit and enter) the maintenance mode.
  • If this is unsuccessful, try to exit the vSAN maintenance mode by using the following command:

esxcli vsan maintenancemode cancel

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