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Cluster status

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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

Cluster details

Additional explanations:

FieldDescription
LabelName given to your cluster
RegionWe currently deliver Ceph clusters on Strasbourg, Gravelines and Beauharnois.
VersionWe currently deliver clusters up to version 9.2.1 (official Ceph releases)
TunableIt's the algorithm used to place datas.
StatusInstalled means that all tasks requested are done.
StateActive
MonitorsIP that you have to use to reach your monitors.
Create dateCreation date of your cluster
Update dateDate of the last task applied to your cluster

Cluster health

Cluster health

Additional explanations:

FieldDescription
StatusHEALTH_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
HealthyBoolean indicating if everything is ok with Ceph cluster or not
Available bytesFree bytes available in the cluster (before replication)
Used bytesBytes currently used in the cluster (after replication)
Space usage [%]Percentage of used bytes in relation to total bytes
Cluster active tasksList 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
}

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