[ceph-users] SSD Recovery Settings
bkennedy at cfl.rr.com
Wed Mar 20 18:21:06 PDT 2019
Lots of good info there, thank you! I tend to get options fatigue when trying to pick out a new system. This should help narrow that focus greatly.
From: Reed Dier <reed.dier at focusvq.com>
Sent: Wednesday, March 20, 2019 12:48 PM
To: Brent Kennedy <bkennedy at cfl.rr.com>
Cc: ceph-users <ceph-users at lists.ceph.com>
Subject: Re: [ceph-users] SSD Recovery Settings
Grafana <https://grafana.com/> is the web frontend for creating the graphs.
InfluxDB <https://www.influxdata.com/time-series-platform/influxdb/> holds the time series data that Grafana pulls from.
To collect data, I am using collectd <https://collectd.org/wiki/index.php/Plugin:Ceph> daemons running on each ceph node (mon,mds,osd), as this was my initial way of ingesting metrics.
I am also now using the influx plugin in ceph-mgr <http://docs.ceph.com/docs/luminous/mgr/influx/> to have ceph-mgr directly report statistics to InfluxDB.
I know two other popular methods of collecting data are Telegraf <https://www.influxdata.com/time-series-platform/telegraf/> and Prometheus <https://prometheus.io/> , both of which are popular, both of which have ceph-mgr plugins as well here <http://docs.ceph.com/docs/mimic/mgr/telegraf/> and here <http://docs.ceph.com/docs/luminous/mgr/prometheus/> .
Influx Data also has a Grafana like graphing front end Chronograf <https://www.influxdata.com/time-series-platform/chronograf/> , which some prefer to Grafana.
Hopefully thats enough to get you headed in the right direction.
I would recommend not going down the CollectD path, as the project doesn't move as quickly as Telegraf and Prometheus, and the majority of the metrics I am pulling from these days are provided from the ceph-mgr plugin.
Hope that helps,
On Mar 20, 2019, at 11:30 AM, Brent Kennedy <bkennedy at cfl.rr.com <mailto:bkennedy at cfl.rr.com> > wrote:
Reed: If you don’t mind me asking, what was the graphing tool you had in the post? I am using the ceph health web panel right now but it doesn’t go that deep.
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