| Column Name | Data Type | Description | 
| array_name | STRING | name of the array | 
| cur_data_rate | NUMBER | Current data rate of the disk | 
| disk_id | STRING | World-wide identifier | 
| disk_mode | STRING | Indicates whether the disk is assigned or not | 
| disk_slot | NUMBER | Disk slot | 
| disk_speed | NUMBER | RPM of the disk | 
| disk_status | STRING | Status of the disk | 
| drive_type | STRING | Drive type of the disk | 
| enclosure | NUMBER | Enclosure where the drive resides | 
| firmware_version | STRING | Firmware version | 
| ibms_array_id | NUMBER | Foreign key to array details | 
| ibms_physical_disk_id | NUMBER | Foreign key to physical disk details | 
| ibms_storage_subsystem_id | NUMBER | Foreign key to IBM storage subsystem details | 
| last_updated | DATE | last updated date | 
| product_id | STRING | Product ID | 
| raw_capacity_gb | NUMBER | Raw capacity in GiB | 
| raw_capacity_kb | NUMBER | Raw capacity in KiB | 
| serial_nbr | STRING | Serial number | 
| system_name | STRING | System name | 
| usable_capacity_gb | NUMBER | Usable capacity in GiB | 
| usable_capacity_kb | NUMBER | Usable capacity in KiB | 
| vendor | STRING | Disk vendor |