pair showpairio
Function
Parameters
Parameter |
Description |
Value |
|---|---|---|
| lunid | LUN ID. | To obtain the value, run "show lun general" as the administrator. |
| reqType | I/O type to be displayed. |
|
Usage Guidelines
- This command must be executed on the working controller of a LUN.
- When "reqType" is set to "1", a host I/O list is displayed. When "reqType" is set to "2", a dual-write I/O list is displayed.
Example
-
Query the host I/O list on a specified LUN.
ibc_os_hs:/diagnose>pair showpairio 0 1 Num objId objLba len opCode result PreCnt PostCnt QueueCnt SetDclCnt SetDclRet Flag timePoint logId reqType ------ ---------- ---------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---- ---------------- ---------------- -------
-
Query the dual-write I/O list on a specified LUN.
ibc_os_hs:/diagnose>pair showpairio 0 2 Num objId objLba len opCode result PairType Flag PairStatus DclId WaitingCnt ChunkNum QueueFlag WaitCkCnt FlyingCnt PostCnt PairId SrcLun DstLun Status ------ ---------- ---------- ------ ---------- ---------- -------- -------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
| num | I/O number. |
| objId | LUN ID corresponding to an I/O. |
| PostCnt | Number of REQs that are processing dual-write. |
| PreCnt | Count of write preprocessing. |
| result | I/O result. |
| opCode | Command word corresponding to an I/O. |
| objLba | LBA offset corresponding to an I/O (unit: sector). |
| len | I/O length (unit: sector). |
| QueueCnt | Count of deleting dual-write REQ from a queue. |
| SetDclCnt | Count of writing DCL in postprocessing. |
| SetDclRet | Result of writing DCL in postprocessing. |
| Flag | Status of the source REQ. |
| timePoint | Point in time of an I/O. |
| logId | ID of a log in the log zone. |
| reqType | I/O object type (LUN or file system). |
| PairType | Pair type. |
| PairStatus | Pair status when an I/O is delivered. |
| DclId | DCL ID of a pair. |
| WaitingCnt | Count of I/Os that have been delivered. |
| PairId | Pair ID. |
| SrcLun | Source LUN ID of a pair. |
| DstLun | Target LUN ID of a pair. |
| Status | Current status of a pair. |
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