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. |