Cloudera
CCA-500 · Question #49
Assuming you're not running HDFS Federation, what is the maximum number of NameNode daemons you should run on your cluster in order to avoid a "split-brain" scenario with your NameNode when running…
The correct answer is B. One active NameNode and one Standby NameNode. See the full explanation below for the reasoning.
Question
Assuming you're not running HDFS Federation, what is the maximum number of NameNode daemons you should run on your cluster in order to avoid a "split-brain" scenario with your NameNode when running HDFS High Availability (HA) using Quorum-based storage?
Options
- ATwo active NameNodes and two Standby NameNodes
- BOne active NameNode and one Standby NameNode
- CTwo active NameNodes and on Standby NameNode
- DUnlimited. HDFS High Availability (HA) is designed to overcome limitations on the number of
How the community answered
(26 responses)- A15% (4)
- B73% (19)
- C4% (1)
- D8% (2)
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