Need help with a large cluster restart

Elastic Stack Elasticsearch
1

I have 20 ES data nodes and 10 master nodes in my cluster. I have 6 minimum
master nodes for the cluster to function. I wanted to know if any one knows
of a correct way to restart a large cluster. I see different results on
each cluster restart. Some times, some of the shards are in Unassigned
state and they are stuck in that state. Some times the shards are getting
re-allocated. So far, I am always doing a Full Cluster restart. All I want
to do is restart and come back to the state where it was before restart. I
really appreciate any insight into this or a link to a documentation about
the cluster restarts.

Thanks.

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2

Some of these will help -

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: markw@campaignmonitor.com
web: www.campaignmonitor.com

On 26 February 2014 11:57, Search User feedworks@gmail.com wrote:

I have 20 ES data nodes and 10 master nodes in my cluster. I have 6
minimum master nodes for the cluster to function. I wanted to know if any
one knows of a correct way to restart a large cluster. I see different
results on each cluster restart. Some times, some of the shards are in
Unassigned state and they are stuck in that state. Some times the shards
are getting re-allocated. So far, I am always doing a Full Cluster restart.
All I want to do is restart and come back to the state where it was before
restart. I really appreciate any insight into this or a link to a
documentation about the cluster restarts.

Thanks.

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"elasticsearch" group.
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.
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