Unassigned replica shards after cluster restart

Elastic Stack Elasticsearch
1

We are using ES version 1.4.1. We have hourly index with 50 shards per
index and replication is 1 . We restarted our cluster after the some
maintenance we had from system side. No we don't have any disk failures.
After the restart, i see all primary shards are assigned but all replicas
are unassigned?

After cluster shutdown, these are the steps we followed to do the restart

  1. Start all master nodes
  2. "cluster.routing.allocation.enable" : "none"
  3. Start all data nodes
  4. After all nodes joined the cluster we did
    cluster.routing.allocation.enable" : "all"

for cluster setting this it shows.
{

  • persistent: { },
  • transient:
    {
    • cluster:
      {
      • routing:
        {
        • allocation:
          {
          • enable: "all"
            }
            }
            }
            }

}

Pending tasks queue is empty. Cluster status is yellow

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2

One correction. Pending tasks queue is not empty and it shows one task.

18596 56.1m URGENT reroute_after_cluster_update_settings. I think this is *cluster.routing.allocation.*enable" : "all" we executed after all nodes joined the cluster. Setting got updated on all the nodes. But why it is still in the queue from last 56 m?

On Friday, January 23, 2015 at 4:48:10 PM UTC-8, Darsh wrote:

We are using ES version 1.4.1. We have hourly index with 50 shards per
index and replication is 1 . We restarted our cluster after the some
maintenance we had from system side. No we don't have any disk failures.
After the restart, i see all primary shards are assigned but all replicas
are unassigned?

After cluster shutdown, these are the steps we followed to do the restart

  1. Start all master nodes
  2. "cluster.routing.allocation.enable" : "none"
  3. Start all data nodes
  4. After all nodes joined the cluster we did
    cluster.routing.allocation.enable" : "all"

for cluster setting this it shows.
{

  • persistent: { },
  • transient:
    {
    • cluster:
      {
      • routing:
        {
        • allocation:
          {
          • enable: "all"
            }
            }
            }
            }

}

Cluster status is yellow

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