I am running a 3 node cluster on XCP-NG 8.2. Node 1 has 192GB of ram (179 free), Node 2 has 512GB (431 free), and Node 3 has 512 GB (493GB free). Node 3 has one VM running on it which is allocated 4GB of ram. When I hit restart on Node 3 through XOA, I get HOST_NOT_ENOUGH_FREE_MEMORY. I am not sure why I am getting this error when I have so much free ram. I have already rebooted all nodes and restarted the tool stacks. I have also tried restarting different nodes and get the same error.
Would appreciate any insight!
host.restart
{
“id”: “df35f1fe-ecba-4fb0-b4c6-1a9db0efac2b”,
“force”: false
}
{
“code”: “HOST_NOT_ENOUGH_FREE_MEMORY”,
“params”: [
“OpaqueRef:a399f13f-ca17-44c7-a2de-4c25d0319293”
],
“task”: {
“uuid”: “48724829-015b-3de1-4542-5fb21b56fd12”,
“name_label”: “Async.host.evacuate”,
“name_description”: “”,
“allowed_operations”: [],
“current_operations”: {},
“created”: “20210219T23:36:59Z”,
“finished”: “20210219T23:36:59Z”,
“status”: “failure”,
“resident_on”: “OpaqueRef:f6b6a08e-f323-4883-82a4-7418a4780633”,
“progress”: 1,
“type”: “”,
“result”: “”,
“error_info”: [
“HOST_NOT_ENOUGH_FREE_MEMORY”,
“OpaqueRef:a399f13f-ca17-44c7-a2de-4c25d0319293”
],
“other_config”: {},
“subtask_of”: “OpaqueRef:NULL”,
“subtasks”: [],
“backtrace”: “(((process xapi)(filename ocaml/xapi/xapi_host.ml)(line 560))((process xapi)(filename hashtbl.ml)(line 266))((process xapi)(filename hashtbl.ml)(line 272))((process xapi)(filename hashtbl.ml)(line 277))((process xapi)(filename ocaml/xapi/xapi_host.ml)(line 556))((process xapi)(filename lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/xapi/rbac.ml)(line 231))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 103)))”
},
“message”: “HOST_NOT_ENOUGH_FREE_MEMORY(OpaqueRef:a399f13f-ca17-44c7-a2de-4c25d0319293)”,
“name”: “XapiError”,
“stack”: “XapiError: HOST_NOT_ENOUGH_FREE_MEMORY(OpaqueRef:a399f13f-ca17-44c7-a2de-4c25d0319293)
at Function.wrap (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/_XapiError.js:16:12)
at _default (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/_getTaskResult.js:11:29)
at Xapi._addRecordToCache (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/index.js:866:24)
at forEach (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/index.js:887:14)
at Array.forEach ()
at Xapi._processEvents (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/index.js:877:12)
at Xapi._watchEvents (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/index.js:1038:14)”
}