| Field |
Internal name |
Type |
Warn |
Crit |
Info |
| Device utilization (percent) |
util |
gauge |
|
|
Utilization of the device. If the time spent for I/O is close to 1000msec for a given second, the device is nearly 100% saturated. |
| Average device IO time (ms) |
svctm |
gauge |
|
|
Average time an I/O takes on the block device |
| Average IO Wait time (ms) |
avgwait |
gauge |
|
|
Average wait time for an I/O from request start to finish (includes queue times et al) |
| Average Read IO Wait time (ms) |
avgrdwait |
gauge |
|
|
Average wait time for a read I/O from request start to finish (includes queue times et al) |
| Average Write IO Wait time (ms) |
avgwrwait |
gauge |
|
|
Average wait time for a write I/O from request start to finish (includes queue times et al) |
