Block Services (BS) metrics supply all read and write cache management, including mirroring. None indicates that the statistics for the subcomponent are not included in the output.
| Category | Description |
|---|---|
| Extent Lock Miss | The count of extent lock misses |
| Read Operations | The count of all read operations |
| Read Time | The time of all reads in clock cycles |
| Bytes Read | The total number of bytes read. This does not include the 8 bytes of CRC when T10 DIF. |
| Read Cache Hits | The number of complete hit operations |
| Read Aheads | The count of all read ahead operations |
| Read Ahead Bytes | The count of all bytes read ahead. This is valid only if the VLUN type is not bs_vlun_ui_statistics_type_pm. |
| Transport Count | The count of all SLAT transports. This is valid only if the VLUN type is bs_vlun_ui_statistics_type_pm. |
| Write Operations | The count of all write operations |
| Write Through Operations | The count of write through operations |
| Write Time | The time of all writes in clock cycles |
| Bytes Written | The total number of bytes written. This does not include the 8 bytes of CRC when T10 DIF. |
| Destage Operations | The count of all destage operations |
| Destage Time | The time of all destage operations in clock cycles |
| Bytes Destaged | The total number of bytes destaged. This does not include the 8 bytes of CRC when T10 DIF. |