| Column Name | Data Type | Description | 
| log_date | DATE | Log date. | 
| size_kb | NUMBER | Returns the size of the volume as it is used in operations. | 
| system_name | STRING | System name | 
| vnx_storage_system_id | NUMBER | Internal key, foreign key to aps_vnx_storage_system.vnx_storage_system_id. | 
| vnx_volume_id | NUMBER | Internal key, primary key in aps_vnx_volume. | 
| volume_name | STRING | Returns the name of the volume. The name is unique, but mutable. |