c. brandis

Recent Posts

Cluster Health: Overcoming Black Hole Node Syndrome

By c. brandis | March 14, 2015

Some cluster health issues are easier to detect than others—with issues ranging from new equipment delivery checks for defective devices to the hard to detectBlack Hole Node Syndrome (BHNS). In a recent survey, more than 64% of respondents stated that black hole node syndrome has affected their systems and their work.

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Cluster monitoring vs. health checking: What’s the difference?

By c. brandis | March 11, 2015

If you are responsible for managing a cluster, you certainly use monitoring software to help you keep it running right. Many organizations, however, tend to lump cluster monitoring with cluster health checks, as if they were one and the same, interchangeable. They’re not.

One way to look at it is that cluster monitoring involves tracking and measuring data. Health checks show how well things are working (diagnostic).  

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