Mapping between the master and slave instances in a Redis cluster

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The master and slave instances are deployed in pairs. If a master instance is faulty, the remaining master instances in the cluster will select a slave instance to serve as the new master instance. The selection can be performed only when more than half of the master instances are normal. Each Redis cluster in a FusionInsight Farmer environment supports one-to-one mapping between active and slave instances.

Other related questions:
What is the relationship between master and slave Redis instances?
The master and slave instances are deployed in pairs. If a master instance is faulty, the remaining master instances in the cluster will select a slave instance to serve as the new master instance. The selection can be performed only when more than half of the master instances are normal. Each Redis cluster in a FusionInsight Farmer environment supports one-to-one mapping between active and slave instances.

What is the relationship between Redis instances?
The master and slave instances are deployed in pairs. If a master instance is faulty, the remaining master instances in the cluster will select a slave instance to serve as the new master instance. The selection can be performed only when more than half of the master instances are normal. Each Redis cluster in a FusionInsight Farmer environment supports one-to-one mapping between active and slave instances.

Definition of the Redis cluster
A Redis cluster consists of multiple Redis instances and provides an external, distributed, key-value database.

Master or Slave subracks of OSN9800
OSN 9800 does not support optical-layer slave subracks.

What is a Redis cluster?
A Redis cluster consists of multiple Redis instances and provides an external, distributed, key-value database.

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