The basic types of objects that you create with Enhanced Storage are volumes, state database replicas, and hot spare pools. The following table gives an overview of these Enhanced Storage objects.
Enhanced Storage Components
Enhanced Storage Component |
What Is It? |
Why Use It? |
For More Information, See ... |
---|---|---|---|
Volumes, including RAID 0 devices (stripes, concatentations), RAID 1 devices (mirrors), RAID 5 devices, and soft partitions. |
A group of physical slices that appear to the system as a single, logical device. |
To increase storage capacity or reliability or both. |
|
State database replicas |
Store information about your Enhanced Storage configuration |
Enhanced Storage requires state database replicas. |
|
Hot spare pool |
Provides a collection of slices (hot spares) that are automatically substituted in case of slice failure in either a mirror or RAID 5 device. |
To increase data availability for RAID 1 and RAID 5 volumes. |
|
Disk sets |
Provide a collection of Solaris volumes that may be non-concurrently shared between two different systems. |
To provide a key component of a high availability system. |