@danp
Think i am facing this issue now. Just tried to put master host into maintance mode to apply latest 8.3 updates and getting the error.
host.setMaintenanceMode
{
"id": "c1372ec6-3651-4481-808b-34293e53e144",
"maintenance": true
}
{
"code": "HOST_NOT_ENOUGH_FREE_MEMORY",
"params": [
"OpaqueRef:1571e2f7-c235-dc10-d766-8883ddd99fd0"
],
"task": {
"uuid": "631dc2d9-7598-8ce6-5dd0-558342eb7d1f",
"name_label": "Async.host.evacuate",
"name_description": "",
"allowed_operations": [],
"current_operations": {},
"created": "20260710T15:20:03Z",
"finished": "20260710T15:20:03Z",
"status": "failure",
"resident_on": "OpaqueRef:119546e4-e0fd-adc7-d42a-b17c4efe789d",
"progress": 1,
"type": "<none/>",
"result": "",
"error_info": [
"HOST_NOT_ENOUGH_FREE_MEMORY",
"OpaqueRef:1571e2f7-c235-dc10-d766-8883ddd99fd0"
],
"other_config": {},
"subtask_of": "OpaqueRef:NULL",
"subtasks": [],
"backtrace": "(((process xapi)(filename ocaml/xapi/xapi_host.ml)(line 629))((process xapi)(filename hashtbl.ml)(line 159))((process xapi)(filename hashtbl.ml)(line 165))((process xapi)(filename hashtbl.ml)(line 170))((process xapi)(filename ocaml/xapi/xapi_host.ml)(line 625))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/xapi/rbac.ml)(line 228))((process xapi)(filename ocaml/xapi/rbac.ml)(line 238))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 78)))"
},
"message": "HOST_NOT_ENOUGH_FREE_MEMORY(OpaqueRef:1571e2f7-c235-dc10-d766-8883ddd99fd0)",
"name": "XapiError",
"stack": "XapiError: HOST_NOT_ENOUGH_FREE_MEMORY(OpaqueRef:1571e2f7-c235-dc10-d766-8883ddd99fd0)
at XapiError.wrap (file:///opt/xen-orchestra/packages/xen-api/_XapiError.mjs:16:12)
at default (file:///opt/xen-orchestra/packages/xen-api/_getTaskResult.mjs:13:29)
at Xapi._addRecordToCache (file:///opt/xen-orchestra/packages/xen-api/index.mjs:1078:24)
at file:///opt/xen-orchestra/packages/xen-api/index.mjs:1112:14
at Array.forEach (<anonymous>)
at Xapi._processEvents (file:///opt/xen-orchestra/packages/xen-api/index.mjs:1102:12)
at Xapi._watchEvents (file:///opt/xen-orchestra/packages/xen-api/index.mjs:1275:14)"
}