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[ PCA ] During Management Node Failover, ovs-agent Logs "Error sending events: The read operation timed out" on the Compute Node (Doc ID 2416086.1)

Last updated on JULY 01, 2018

Applies to:

Private Cloud Appliance - Version 2.0.5 and later
Linux x86-64

Symptoms

On Oracle Private Cloud Appliance, when performing a management node failover, the ovs-agent process sometimes logs in /var/log/ovs-agent.log the following exception on compute nodes :

[2018-06-08 07:41:22 28402] ERROR (notificationserver:207) Error sending events: The read operation timed out
Traceback (most recent call last):
File "/usr/lib64/python2.6/site-packages/agent/daemon/notificationserver.py", line 193, in event_sender
session.post(events_formatted)
File "/usr/lib64/python2.6/site-packages/agent/daemon/notificationserver.py", line 64, in post
return self._do_post(data)
File "/usr/lib64/python2.6/site-packages/agent/daemon/notificationserver.py", line 78, in _do_post
response = self.getresponse()
File "/usr/lib64/python2.6/httplib.py", line 1049, in getresponse
response.begin()
File "/usr/lib64/python2.6/httplib.py", line 433, in begin
version, status, reason = self._read_status()
File "/usr/lib64/python2.6/httplib.py", line 389, in _read_status
line = self.fp.readline(_MAXLINE + 1)
File "/usr/lib64/python2.6/socket.py", line 479, in readline
data = self._sock.recv(self._rbufsize)
File "/usr/lib64/python2.6/ssl.py", line 215, in recv
return self.read(buflen)
File "/usr/lib64/python2.6/ssl.py", line 136, in read
return self._sslobj.read(len)
SSLError: The read operation timed out

Cause

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