Cluster status

This guide shows you how to check your Ceph cluster status and health.

Using web interface

First, connect to the Cloud Disk Array manager. Under 'Platforms and services' select your Ceph cluster. You will see two different parts: cluster details and cluster health.

Cluster details

Additional explanations:

Field	Description
Label	Name given to your cluster
Region	We currently deliver Ceph clusters on Strasbourg, Gravelines and Beauharnois.
Version	We currently deliver clusters up to version 9.2.1 (official Ceph releases)
Tunable	It's the algorithm used to place datas.
Status	Installed means that all tasks requested are done.
State	Active
Monitors	IP that you have to use to reach your monitors.
Create date	Creation date of your cluster
Update date	Date of the last task applied to your cluster

Cluster health

Additional explanations:

Field	Description
Status	HEALTH_OK means that every object is at the right place and have 3 replicates. HEALTH_WARN means that some objects are misplaced (like after a growth) or that some object are not replicated three times. In this case cluster is recovering
Healthy	Boolean indicating if everything is ok with Ceph cluster or not
Available bytes	Free bytes available in the cluster (before replication)
Used bytes	Bytes currently used in the cluster (after replication)
Space usage [%]	Percentage of used bytes in relation to total bytes
Cluster active tasks	List of user-initiated tasks that are currently being processed for this cluster

Using API

Get Ceph cluster details with a simple HTTP call.

GET/dedicated/ceph/{serviceName}

Example:

GET /dedicated/ceph/98d166d8-7c88-47b7-9cb6-63acd5a59c15
{
  updateDate: "2016-07-26T09:16:07"
  status: "INSTALLED"
  region: "SBG1"
  serviceName: "98d166d8-7c88-47b7-9cb6-63acd5a59c15"
  state: "ACTIVE"
  createDate: "2016-07-20T08:00:37"
  cephMons: [
    "10.99.187.210"
    "10.99.191.210"
    "10.97.131.210"
  ]
  crushTunables: "OPTIMAL"
  label: "Ceph cluster"
  cephVersion: "9.2.1"
}

Get Ceph cluster health:

GET/dedicated/ceph/{serviceName}/health

{
  status: "HEALTH_OK"
  availableBytes: 5891996504064
  serviceName: "98d166d8-7c88-47b7-9cb6-63acd5a59c15"
  healthy: true
  usedBytes: 124981248
}

Go further

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