These columns represent the number and amount, in KB, of data read from or written to the logical device.
| Column Name | Mode | Description | Data Type |
|---|---|---|---|
| LdvReadKB | count | Number of KB read from the logical device. | FLOAT |
| LdvReads | count | Number of reads issued. | FLOAT |
| LdvWriteKB | count | Number of KB written to the logical device. | FLOAT |
| LdvWrites | count | Number of writes issued. | FLOAT |