[Woc-notify] [nitc] Firewall

[Peter Laws]

At about 05:27 CDT this morning, the slave firewall in the HA pair decided 
that the master was gone and that it would therefore take over as master.

Except that the master was up and running.

We rebooted the master that had been the slave, expecting them to work it 
out.  They didn't.  NOAA lost outside connectivity entirely.

So, we decided to isolate the master-that-had-been-slave ... which caused 
all outside connectivity to go away.

Fortunately, plugging it back in "fixed" it even if the HA still thinks 
both nodes are master.

We won't be trying anything else until later.

I wish I could blame this on old Foundry gear, however ...


-- 
Peter Laws / N5UWY
National Weather Center / Network Operations Center
University of Oklahoma Information Technology
plaws at ou.edu
College of Architecture, Regional and City Planning, MRCP '16
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Feedback? Contact my director, Matt Younkins, younkinsm at ou.edu. Thank you!

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