Cluster
A Cluster is a set of one or more networked Virtual I/O Server (VIOS) partitions, where each VIOS within the cluster has access to a common set of physical volumes.
Cluster provides a distributed storage repository for Power systems. The Cluster is formed by shared storage pool which is a collection of physical volumes that can be accessed by every VIOS that is a part of the Cluster. A VIOS that is a part of the Cluster is called as a Node in the Cluster. All Nodes in the Cluster can read, write, and access data on physical volumes that are part of the shared storage pool.
The cluster repository disk is used as the central repository for the cluster configuration data. The minimal size of the repository is dependent on the cluster configuration.
The cluster capabilities attribute specifies whether the cluster is Tier capable and Tier Mirror capable
The major attributes in the Cluster are :
- ClusterName : User defined name for Cluster
- ClusterID : VIOS generated ID for Cluster
- RepositoryDisk : Physical volume used for book keeping
- ClusterSharedStoragePool : Atom-link generated for associated Shared Storage Pool created for Cluster
- Node : Collection of VIOS that are part of Cluster
- ClusterCapabilities : Capabilities to show if Cluster is Tier & Tier Mirror Capable
/rest/api/uom/Cluster/{Cluster_uuid}
Method | Description | Internet media type |
---|---|---|
GET | Fetch the cluster information from all managed VIOS. | application/atom+xml, application/vnd.ibm.powervm.uom+xml; type=Cluster |
POST | Update the existing Cluster such as :
|
application/atom+xml, application/vnd.ibm.powervm.uom+xml; type=Cluster |
User can fetch the only specified property.
/rest/api/uom/Cluster/quick/All
Supported property names available at /rest/api/uom/Cluster/quick/All URI.
Property Name | Description |
---|---|
ClusterName | User defined name for Cluster. |
ClusterID | VIOS generated ID for Cluster. |
UUID | UUID of Cluster. |
/rest/api/uom/Cluster/{Cluster_uuid}/quick
Supported property names available at /rest/api/uom/Cluster/{Cluster_uuid}/quick URI.
Property Name | Description |
---|---|
ClusterName | User defined name for Cluster. |
ClusterID | VIOS generated ID for Cluster. |
/rest/api/uom/Cluster/{Cluster_uuid}/quick/{Property Name}
Supported property names available at /rest/api/uom/Cluster/{Cluster_uuid}/quick/{Property Name} URI.
Property Name | Description |
---|---|
ClusterName | User defined name for Cluster. |
ClusterID | VIOS generated ID for Cluster. |
The Cluster does not support PUT and DELETE operation, kindly use below Jobs to create and delete Cluster.
Replacing repository disk of the Cluster is also supported by Job
Since: Version 1_1_0