Hi,
One of my elasticsearch index is red and when i dig this into deep i am getting this below error
GET _cluster/allocation/explain
{
"index" : "design",
"shard" : 0,
"primary" : true,
"current_state" : "unassigned",
"unassigned_info" : {
"reason" : "CLUSTER_RECOVERED",
"at" : "2023-06-19T09:58:16.814Z",
"last_allocation_status" : "no_valid_shard_copy"
},
"can_allocate" : "no_valid_shard_copy",
"allocate_explanation" : "cannot allocate because all found copies of the shard are either stale or corrupt",
"node_allocation_decisions" : [
{
"node_id" : "B8GDi6pHRa6NCpxRXTmK1A",
"node_name" : "127.0.0.1",
"transport_address" : "127.0.0.1:15155",
"node_decision" : "no",
"store" : {
"in_sync" : true,
"allocation_id" : "Mt7w6tFXRYOpb4GunXEOuQ",
"store_exception" : {
"type" : "index_format_too_old_exception",
"reason" : """Format version is not supported (resource BufferedChecksumIndexInput(SimpleFSIndexInput(path="C:\Users\rishabh2\Pulse\atom_v6\server\data\beehive\nodes\0\indices\z8SOcefcSKGCkdavUoS9Dg\0\index\segments_5s"))): 1229866072 (needs to be between 1071082519 and 1071082519). This version of Lucene only supports indexes created with release 6.0 and later."""
}
}
}
]
}