The following table displays the supported field names for the Small Computer
System Interface (SCSI) disk I/O statistics. These fields are specific to the disk instances. They
can be accessed as
__stat.io.disk.<hdisk0...n>->fieldname. The following statistics can
be accessed in synchronous mode and asynchronous mode.
Table 1. SCSI disk I/O statistics
| Vue script field name |
Data type |
Description |
| name |
String[32] |
Disk name |
| block_size |
unsigned long long |
Disk block size in bytes |
| transfers |
unsigned long long |
Number of transfers to or from disk |
| rd_block_count |
unsigned long long |
Number of disk blocks read |
| rd_service_time |
unsigned long long |
Total read service name or receive service time in microseconds. |
| rd_min_service_time |
unsigned long long |
Minimum read service time in microseconds. |
| rd_max_service_time |
unsigned long long |
Maximum read service time in microseconds. |
| rd_timeouts |
unsigned long long |
Number of read timeouts |
| rd_failures |
unsigned long long |
Number of read failures |
| wr_block_count |
unsigned long long |
Number of blocks written |
| wr_service_time |
unsigned long long |
Total write service time in microseconds. |
| wr_min_service_time |
unsigned long long |
Minimum write service time in microseconds. |
| wr_max_service_time |
unsigned long long |
Maximum write service time in microseconds. |
| wr_timeouts |
unsigned long long |
Number of write timeouts |
| wr_failures |
unsigned long long |
Number of write timeouts |
| wait_queue_depth |
unsigned long long |
Driver wait queue depth |
| accum_wait_queue_time |
unsigned long long |
Accumulated wait queuing time in microseconds |
| min_wait_queue_time |
unsigned long long |
Minimum wait queue time in microseconds. |
| max_wait_queue_time |
unsigned long long |
Maximum wait queue time in microseconds. |
| num_queue_full |
unsigned long long |
Number of in-flight queue full count |