pair showbusyio
Function
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. |