On Wed, Jun 15, 2016 at 4:01 PM, Srinivas Naga Kotaru (skotaru) <
[email protected]> wrote:

> Hi
>
>
>
> While deploying EFK stack, I didn’t toggled ENABLE_OPS_CLUSTER to true.
> Default value if “false”
>
>
>
> Now my EFK stack is fully installed and working fine. Is there any way we
> can enable OPS logs without deleting whole stack and re create ?
>

If you do not need to have physical separation of your operations logs and
your application logs you can leave it with ENABLE_OPS_CLUSTER as false.
Setting that to true don't add any extra logs, it just creates a second
Elasticsearch cluster (the ops cluster) an Ops Kibana instance to serve up
the logs within the Elasticsearch ops cluster and tells Fluentd that the
operations logs that it is processing go to this new cluster instead.

To be honest, I would recommend reinstalling with ENABLE_OPS_CLUSTER=true
and tricking Fluentd to reprocess all your logs as if it were a new
installation.  You are missing the ops templates for the different
components which will come in handy especially when you want to later scale
up the number of ES nodes for a cluster.

Also you have the added benefit that some of your operations logs aren't in
the same ES cluster as your application logs (the main benefit for using
this deployment option)

You can trick Fluentd into reprocessing logs on its node by
1. Stop Fluentd on that node
2. Delete the "/var/log/es-containers.log.pos" and "/var/log/node.log.pos"
files on that node
3. Start Fluentd on that node again, it will act as if it had not processed
any log files yet


>
>
>
>
> --
>
> *Srinivas Kotaru*
>
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