Describe the bug I added External GlusterFS storage to Kadalu sto

[Bug]: External Storage will not connect to another GlusterFS host if first is down about kadalu HOT 2 CLOSED

marekvesely-direct commented on June 9, 2024

[Bug]: External Storage will not connect to another GlusterFS host if first is down

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Comments (2)

marekvesely-direct commented on June 9, 2024 1

The logs repeated itself over and over, but now I tested outage and it worked as expected. Before we had broken disks on physical machines so from 3 node cluster, there was 1 working node and 2 with really big latency and in healing state. Maybe this was because of this strange thing with hardware, but still one node was working fine (but it was the server-3) and it failing on the first node server-1. I suppose to close this issue now and if it happens again i will raise the ticket.

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leelavg commented on June 9, 2024

kadalu/lib/kadalulib.py

Lines 110 to 125 in 77ff63e

 def is_host_reachable(hosts, port): 

 """Check if glusterd is reachable in the given node""" 

 timeout = 5 

 for host in hosts: 

 try: 

 sock = socket.create_connection((host, int(port)), timeout=timeout) 

 sock.shutdown(socket.SHUT_RDWR) 

 return True 

 except socket.error as msg: 

 logging.error(logf("Failed to open socket connection", 

 error=msg, host=host)) 

 continue 

 finally: 

 sock.close() 

 return False

If some GlusterFS server will be unavailable it has to connect to another one.

based on above code, you should see the Exception for every failed host, however log has only one failure and so it seems the other node is reachable
is there any log after above error?

from kadalu.

[Bug]: External Storage will not connect to another GlusterFS host if first is down about kadalu HOT 2 CLOSED

Comments (2)

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	def is_host_reachable(hosts, port):
	"""Check if glusterd is reachable in the given node"""

	timeout = 5
	for host in hosts:
	try:
	sock = socket.create_connection((host, int(port)), timeout=timeout)
	sock.shutdown(socket.SHUT_RDWR)
	return True
	except socket.error as msg:
	logging.error(logf("Failed to open socket connection",
	error=msg, host=host))
	continue
	finally:
	sock.close()
	return False