in the past I had one elasticsearch and today I created another node the cluster created. when I run GET /_cat/health?v I got status YELLOW. How I will make the status GREEN

Yellow status sfter creating cluster

saad March 9, 2018, 6:28pm 4

Thank you,

I am using the default shards and replica numbers (5 shareds and 1 replica)

What is the equation of replica with number of nodes??

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