Usable Volumes
The Usable Volumes fields provide an overview of available storage capacity.
Table: Usable Volumes
Column name | Description |
|---|---|
|
Usable Summary | |
|
Disk Space |
Sum of the number of drives times the drive capacity |
|
Available Disk Space |
The value is calculated using the following: [(number of disks - number of spare disks) - (number of spare modules x 12)] x disk capacity x 0.96/2 |
|
Formatted Volume Space |
Sum of all volume sizes, or total allocated (or provisioned) storage |
|
Formatted Snapshot Space |
Sum of volume sizes minus the sum of all volumes used |
|
Formatted Space |
Formatted available and usable storage |
|
Formatted Space Used |
The Formatted Space Used value is used to derive Formatted Utilization |
|
Formatted with No Volumes |
The unused portion of the provisioned capacity shared by all volumes; volumes do not consume storage until pages are written by the OS; all LUNs are thin |
|
Overall Unavailable Disk Space |
Metadata and system reserve used for traces and statistics |
|
Subscription |
The thermometer tooltip indicates if storage has been over-subscribed. |
|
Formatted Utilization |
The thermometer tooltip indicates the formatted storage utilization %, calculated as Formatted Space Used/Formatted Space |