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Intermittent unable to communicate with node alert on single node

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19
Visibility:
Public
Votes:
0
Category:
storagegrid-webscale
Specialty:
sgrid
Last Updated:

Applies to

NetAppStorageGRID

Issue

  • Intermittent 'Unable to communicate with node' alert on single node that self-resolves within minutes.

unabletocommunicatewithnode.png

  • Dynip.log from problematic node indicates:

[2023-08-22T14:24:52.795]DummyThread-1125493 -   ERROR --Exception in send_node_update Traceback(most recent call last):

  File"/usr/lib/python2.7/dist-packages/dynip/threads/heartbeat.py", line155, in send_node_update

    response = send_request(msg_id, ipaddr,path, 'PUT', body)

  File"/usr/lib/python2.7/dist-packages/dynip/threads/heartbeat.py", line116, in send_request

    response = urlopen(request, timeout=10,context=_ssl_context)

  File"/usr/lib/python2.7/urllib2.py", line 154, in urlopen

    return opener.open(url, data, timeout)

  File"/usr/lib/python2.7/urllib2.py", line 429, in open

    response = self._open(req, data)

  File"/usr/lib/python2.7/urllib2.py", line 447, in _open

    '_open', req)

  File"/usr/lib/python2.7/urllib2.py", line 407, in _call_chain

    result = func(*args)

  File"/usr/lib/python2.7/urllib2.py", line 1241, in https_open

    context=self._context)

  File"/usr/lib/python2.7/urllib2.py", line 1201, in do_open

    r = h.getresponse(buffering=True)

  File"/usr/lib/python2.7/httplib.py", line 1137, in getresponse

    response.begin()

  File"/usr/lib/python2.7/httplib.py", line 448, in begin

    version, status, reason =self._read_status()

  File"/usr/lib/python2.7/httplib.py", line 412, in _read_status

    raise BadStatusLine("No status linereceived - the server has closed the connection")

BadStatusLine:No status line received - the server has closed the connection

 

  • Dynip.log from other storage nodes indicates:

[2023-08-22T14:15:12.091]DummyThread-1123635 - WARNING -- Update to (NODE_NAME) (IP_ADDRESS) failed:('The read operation timed out',)

[2023-08-22T14:18:36.155]DummyThread-1123873 - INFO -- Received heartbeat from node (NODE_NAME) (IP_ADDRESS)

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