[role="xpack"]
[testenv="basic"]
[[ilm-start]]
=== Start {ILM} API
++++
<titleabbrev>Start {ILM}</titleabbrev>
++++

beta[]

Start the {ILM} plugin.

==== Request

`POST /_ilm/start`

==== Description

Starts the {ILM} plugin if it is currently stopped. {ILM} is started
automatically when the cluster is formed. Restarting {ILM} is only
necessary if it has been stopped using the <<ilm-stop, Stop {ILM} API>>.

==== Request Parameters

include::{docdir}/rest-api/timeoutparms.asciidoc[]

==== Authorization

include::ilm-cluster-mgt-privilege.asciidoc[]

==== Examples

The following example starts the ILM plugin.

//////////////////////////

[source,js]
--------------------------------------------------
PUT _ilm/policy/my_policy
{
  "policy": {
    "phases": {
      "warm": {
        "min_age": "10d",
        "actions": {
          "forcemerge": {
            "max_num_segments": 1
          }
        }
      },
      "delete": {
        "min_age": "30d",
        "actions": {
          "delete": {}
        }
      }
    }
  }
}

PUT my_index

POST _ilm/stop
--------------------------------------------------
// CONSOLE
// TEST

//////////////////////////

[source,js]
--------------------------------------------------
POST _ilm/start
--------------------------------------------------
// CONSOLE
// TEST[continued]

If the request succeeds, you receive the following result:

[source,js]
--------------------------------------------------
{
  "acknowledged": true
}
--------------------------------------------------
// CONSOLE
// TESTRESPONSE