# Cluster health turns to red
**URL:** https://discuss.elastic.co/t/cluster-health-turns-to-red/304870
**Category:** Logstash
**Created:** [May 16, 2022, 8:44pm UTC](https://discuss.elastic.co/t/cluster-health-turns-to-red/304870 "2022-05-16T20:44:20Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@rachelyang](https://discuss.elastic.co/u/rachelyang)
#### Post date: [May 16, 2022, 8:44pm UTC](https://discuss.elastic.co/t/cluster-health-turns-to-red/304870/1 "2022-05-16T20:44:20Z")
Please have a look at the output of \_cluster/health?pretty
```auto
{
"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:
```auto
[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
---
### Author:  [@Rios](https://discuss.elastic.co/u/Rios)
#### Post date: [May 16, 2022, 9:15pm UTC](https://discuss.elastic.co/t/cluster-health-turns-to-red/304870/2 "2022-05-16T21:15:30Z")
> [@rachelyang](#):
>
> `free: 7.7gb[8.6%]`
Your disk is almost full.
---
### Author:  [@rachelyang](https://discuss.elastic.co/u/rachelyang)
#### Post date: [May 17, 2022, 4:21pm UTC](https://discuss.elastic.co/t/cluster-health-turns-to-red/304870/3 "2022-05-17T16:21:52Z")
I freed up some disk space, the error was removed.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [June 14, 2022, 4:22pm UTC](https://discuss.elastic.co/t/cluster-health-turns-to-red/304870/4 "2022-06-14T16:22:53Z")
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