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pair showbusyio
Function
The pair showbusyio command is used to query information about retried I/Os on the pair module.
Usage Guidelines
When the pair module is abnormal, query information about retried I/Os on the pair module.
Example
Query information about retried I/Os on the pair module.
admin:/diagnose>pair showbusyio Seq Operation Time Opcode VolumeId ObjectId ObjectLba Length Result SlaveStartTime CurrentTime Deadline RetryTimes --- ---------------- ------------------- ---------- ---------------- ---------------- ---------------- ---------- ---------- ---------------- ---------------- ---------------- ---------- 4 PAIR_DW_ERROR 2017-02-09 10:06:34 320962560 368 1027 649315064 8 80004b85 166967678 166987679 166995678 3792
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
| Seq | Serial number of retried I/Os. |
| Operation | Operation that causes I/O retries. |
| Time | Time when I/O is retried. |
| Opcode | Operation code. |
| VolumeId | Volume ID. |
| ObjectId | Object ID. |
| ObjectLba | Data start address. |
| Length | Data length. |
| Result | Returned value. |
| SlaveStartTime | Start time of writing the secondary LUN and FS. |
| CurrentTime | Current system time. |
| Deadline | End time of writing the secondary LUN and FS. |
| RetryTimes | Times of retrying to write the secondary LUN and FS. |
