Elasticsearch status is in red

gsumilhig · January 14, 2020, 6:30am

elasticsearch is in red status and found this log in master node.
[2020-01-14T14:25:39,232][INFO ][o.e.c.r.a.DiskThresholdMonitor] [elastic02] low disk watermark [85%] exceeded on [h_w0x3riSpS1Dh-WQANUhQ][elastic02][/var/lib/elasticsearch/nodes/0] free: 9.2gb[10.8%], replicas will not be assigned to this node
space in /var is 90%

Thanks,

Christian_Dahlqvist · January 14, 2020, 6:31am

I think the error message is quite clear: you are running out of disk space and can therefore not allocate new shards. You need to either add resources to the cluster or delete data to free up space.

gsumilhig · January 14, 2020, 7:59am

How can i delete old data?

gsumilhig · January 15, 2020, 2:58am

Is it possible to delete data in /var/lib/elasticsearch/node/0/indices?

Christian_Dahlqvist · January 15, 2020, 6:10am

No, delete indices using Delete index API. You should NEVER directly delete anything at the file system level directly.

system · February 12, 2020, 6:10am

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