Hi everyone: I used ES-0.90.2 as my index server.I have three pcs and each pc has a ES instance.They run as a cluster.And they worked well,but now I want upgrade my ES from 0.90.2 to 1.1.1. At first,I read the document on the elasticsearch.org.I shutdown my ES0.90.2,and unzip the ES1.1.1 in each pc. Then I copy the 'data' folder in the ES0.90.2 to the same dictionary in ES1.1.1.At last,i run the three ES1.1.1.But the shards became unassigned.Why,and how could i upgrade rightly. In my ES0.90.2,there is one index and more more than 30 types.I creat 20 shards and 2 replica in my index.So there are 60 shards in total and there are 20 shards in each pc. When I start ES1.1.1,it seemed can find the meta infomation of the old index data.Because,ES1.1.1 could know the name of old index data and know how many shards the old index data has. the status of my ES1.1.1 is: { "cluster_name" : "test", "status" : "red", "timed_out" : false, "number_of_nodes" : 1, "number_of_data_nodes" : 1, "active_primary_shards" : 0, "active_shards" : 0, "relocating_shards" : 0, "initializing_shards" : 0, "unassigned_shards" : 60 }
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