Piston:Disks
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Piston Openstack Storage Use Cases
Ceph Managed Data
Emphemeral
Partition Types
| Piston Open Stack Partition Types | |||||
|---|---|---|---|---|---|
| Partition Type | Description | ||||
| Ceph Data | The Ceph Object Storgage Daemon (OSD) stores objects on the ceph data parition and makes them available over the network. Theres 1 OSD per partition. | ||||
| Ceph Monitor | Ceph maintains a map of the resources in the cluster and which ones are up or down, this cluster map is written to the ceph monitor partition | ||||
| Ceph Journal | The Ceph OSDs temporarily write data to the journal partition | ||||
| Ephemeral | Ephemeral partitions store data that does not persist and is not shared, such as boot disks and paged data | ||||
| Identity | A 64MB partition thate stores the identity information about the cluster. | ||||