# Upgrade elk 7 ，start elasticsearch failed

**URL:** <https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394>\
**Category:** Elasticsearch\
**Created:** [April 18, 2019, 2:30am UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394 "2019-04-18T02:30:18Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![shaonbean](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shaonbean/32/14416_2.png) [@shaonbean](https://discuss.elastic.co/u/shaonbean)\
**Post date:** [April 18, 2019, 2:30am UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394/1 "2019-04-18T02:30:19Z")

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[2019-04-18T10:22:34,929][WARN][o.e.c.c.ClusterFormationFailureHelper] [es-1] master not discovered yet, this node has not previously joined a bootstrapped (v7+) cluster, and [cluster.initial\_master\_nodes] is empty on this node: have discovered ; discovery will continue using from hosts providers and [{es-1}{7KOkSP8JREiCgYXhYhmVOQ}{QbeU\_ObJQZewVu8VcR0pSA}{30.16.27.210}{30.16.27.210:9300}{ml.machine\_memory=16639909888, xpack.installed=true, ml.max\_open\_jobs=20}] from last-known cluster state; node term 0, last-accepted version 0 in term 0

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**Author:** ![shaonbean](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shaonbean/32/14416_2.png) [@shaonbean](https://discuss.elastic.co/u/shaonbean)\
**Post date:** [April 18, 2019, 2:31am UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394/2 "2019-04-18T02:31:07Z")

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ENV： CentOS Linux release 7.5.1804 (Core)

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**Author:** ![DavidTurner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davidturner/32/22453_2.png) [@DavidTurner](https://discuss.elastic.co/u/DavidTurner)\
**Post date:** [April 18, 2019, 4:58am UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394/3 "2019-04-18T04:58:59Z")

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It looks like you have not [bootstrapped](https://www.elastic.co/guide/en/elasticsearch/reference/current/breaking-changes-7.0.html#_cluster_bootstrapping_is_required_if_discovery_is_configured) this cluster yet.

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**Author:** ![shaonbean](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shaonbean/32/14416_2.png) [@shaonbean](https://discuss.elastic.co/u/shaonbean)\
**Post date:** [April 18, 2019, 11:52pm UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394/4 "2019-04-18T23:52:26Z")

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hello david,

my es is single node, i follow your suggestions, config bootstrap,when i restart my es ,still report errors,ps 🙂

[2019-04-19T07:49:23,452][INFO][o.e.c.c.ClusterBootstrapService] [es-1] skipping cluster bootstrapping as local node does not match bootstrap requirements: [elk]

[2019-04-19T07:49:33,457][WARN][o.e.c.c.ClusterFormationFailureHelper] [es-1] master not discovered yet, this node has not previously joined a bootstrapped (v7+) cluster, and this node must discover master-eligible nodes [elk] to bootstrap a cluster: have discovered ; discovery will continue using from hosts providers and [{es-1}{7KOkSP8JREiCgYXhYhmVOQ}{Dr\_EC80vQTaqgS5yNXTBSA}{30.16.27.210}{30.16.27.210:9300}{ml.machine\_memory=16639909888, xpack.installed=true, ml.max\_open\_jobs=20}] from last-known cluster state; node term 0, last-accepted version 0 in term 0

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<div class="post-metadata">

**Author:** ![shaonbean](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shaonbean/32/14416_2.png) [@shaonbean](https://discuss.elastic.co/u/shaonbean)\
**Post date:** [April 18, 2019, 11:58pm UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394/5 "2019-04-18T23:58:03Z")

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thanks david, i change cluster.initial\_master\_nodes: equals my node.name,then restart es succees

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 16, 2019, 11:58pm UTC](https://discuss.elastic.co/t/upgrade-elk-7-start-elasticsearch-failed/177394/6 "2019-05-16T23:58:06Z")

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