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Re: "Got error 4009 'Cluster Failure' from NDB. Could not acquire global schema lock" and "Could not connect to storage engine"
Posted by: Mikael Ronström
Date: October 09, 2017 09:40AM

The cluster is obviously up and running as shown in the
SHOW command output.

Equally obvious is that the MySQL Server haven't connected to
the cluster. It has not connected to the management server and
it is not connected to the data nodes since it gets 4009.

So one to check is that you started the MySQL Server on the
machine with You can probably check that the
ndb-connectstring is set properly in the management node.

Strangely enough it knows that there are 2 data nodes.

Please also check error log from MySQL Server and cluster log
for hints on what might be the problem.

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