问题：SERVICE_UNAVAILABLE/1/state n

我有17个节点，3个master，14个node data。当我设置gateway.recover_after_nodes: 10 时启动集群出现下面报错，当我将gateway.recover_after_nodes: 10 删除时 集群正常启动。

Caused by : org.elasticsearch.discovery.MasterNotDiscoveredException: ClusterBlockException[blocked by:[SERVICE_UNAVAILABLE/1/state not recovered /initialized];]
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[WARN] [r.suppressed] path: /_aliases, params:{} 
org.elasticsearch.transport.RemoteTransportException: [master1][192.168.1.103:9300][indices:admin/get]
Caused by: org.elasticsearch.discovery.MasterNotDiscoveredException: 
ClusterBlockException[blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized]]
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