Cluster health turns to red

Elastic Stack Logstash
1

Please have a look at the output of _cluster/health?pretty

{
  "cluster_name" : "Elasticsearch",
  "status" : "red",
  "timed_out" : false,
  "number_of_nodes" : 2,
  "number_of_data_nodes" : 2,
  "active_primary_shards" : 364,
  "active_shards" : 364,
  "relocating_shards" : 0,
  "initializing_shards" : 7,
  "unassigned_shards" : 1055,
  "delayed_unassigned_shards" : 0,
  "number_of_pending_tasks" : 11,
  "number_of_in_flight_fetch" : 0,
  "task_max_waiting_in_queue_millis" : 1015,
  "active_shards_percent_as_number" : 25.52594670406732
}

And the log file from one node of Elasticsearch:

[WARN ][o.e.c.r.a.DiskThresholdMonitor] [elnode1] high disk watermark [90%] exceeded on [eGoDiOB3RWGqM5gCMvIhBw][elnode2][/var/lib/elasticsearch/nodes/0] free: 7.7gb[8.6%], shards will be relocated away from this node; currently relocating away shards totalling [0] bytes; the node is expected to continue to exceed the high disk watermark when these relocations are complete

Does anyone have idea of how to fix this issue?
Thanks

2

Your disk is almost full.

2 Likes
3

I freed up some disk space, the error was removed.

4

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