| Inst ID |
Instance ID; 0 = non-CE |
| Device Name |
Device name |
| Device Type |
Device type (default disk, physical disk, archive database disk, other) |
| % Used |
% of total allocated size (at the OS level) that is used |
| Size (MB) |
Total allocated size (at the OS level), in megabytes |
| Used (MB) |
Amount of space used, in megabytes |
| Free (MB) |
Unused space, in megabytes |
| Allocated (MB) |
Amount of used space (Used (MB)) that is allocated to database objects, in megabytes |
| Unallocated (MB) |
Amount of used space (Used (MB)) that is unused by database objects, in megabytes |
| Physical Name |
Physical name (path) of the device |
| Device Status |
Options and attributes of the device |
