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Top Forums Shell Programming and Scripting Failure rate of a node / Data center Post 303019960 by chercheur111 on Wednesday 11th of July 2018 05:49:31 AM
Old 07-11-2018
Failure rate of a node / Data center

Hi,

Please, i have a history of the state of each node in my data center. an history about the failure of my cluster (UN: node up, DN: node down).
Here is some lines of the history:



Code:
08:51:36 UN 127.0.0.1    08:51:36 UN 127.0.0.2    08:51:36 UN 127.0.0.3    08:53:50 DN 127.0.0.1    08:53:50 DN 127.0.0.2    08:53:50 DN 127.0.0.3


I'd like from this history, deduce the failure rate of each node. How can i do that please ? i have for example, to use AI technologies ML or i have to sum UN of each node and divide it on the number of line.
Thank you so much for help. Kind regards.
 

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VOTEQUORUM_LEAVING(3)				    Corosync Cluster Engine Programmer's Manual 			     VOTEQUORUM_LEAVING(3)

NAME
votequorum_leaving - Tell other nodes that we are leaving the cluster SYNOPSIS
#include <corosync/votequorum.h> int votequorum_leaving(votequorum_handle_t handle); DESCRIPTION
The votequorum_leaving function is used to tell the other nodes in the cluster that this node is leaving. They will (when the node actually leaves) reduce quorum to keep the cluster running without this node. This function should only be called if it is known that the node is being shut down for a known reason and could be out of the cluster for an extended period of time. Normal behaviour is for the cluster to reduce the total number of votes, but NOT expected_votes when a node leave the cluster, so the clus- ter could become inquorate. This is correct behaviour and is ther eto prevent split-brain. Do NOT call this function unless you know what you are doing. RETURN VALUE
This call returns the CS_OK value if successful, otherwise an error is returned. ERRORS
The errors are undocumented. SEE ALSO
votequorum_overview(8), votequorum_initialize(3), votequorum_finalize(3), votequorum_dispatch(3), votequorum_fd_get(3), corosync Man Page 2009-01-26 VOTEQUORUM_LEAVING(3)
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