pair showobjs
Parameters
Parameter |
Description |
Value |
|---|---|---|
| lunid | LUN ID. | To obtain the value, run "show lun general" as the super administrator. |
Usage Guidelines
If the pair is abnormal, you can run this command to view information about pair objects.
Example
View information about pair objects.
admin:/diagnose>pair showobjs 1500
PairStatus :0=SYSC 1=ROLLBACK 2=PAUSE 3=STOP 4=ROLLBACK_WITH_SYNC
PairType=PairGroupType
PairEntry
IsRollBack : FALSE
holdFlag : FALSE
hangFlag : FALSE
dbWriteRight : TRUE
dwLogType : 0
dclIntegrated : 0x0
logLeft : 0
HostIoFilter : ffff88024b802ed8
EntryGroup : ffff880254305c78
EntryGroup status : 1
holdTimeOut : 10
EntryGroup counter : 1
pairHangCount : 0
hangStatus : 0
callback : (null)
arg : (null)
GroupType : ENTRY_GROUP
ChunkSize : 128
ChildNum : 1
MaxChildNum : 8
Parent : (null)
Children : ffff880254305cb8
ObjStatus : 1
RefCnt : 1
Object : ffff880254305e80
PairGroupData
GroupType : SYCN_RM
ChunkSize : 128
ChildNum : 1
MaxChildNum : 8
Parent : ffff880254305c78
Children : ffff880254305ec0
ObjStatus : 1
RefCnt : 1
Object : ffff880254dd0818
PairData
HashListNode : ffff880254dd0828
PairType : 9
SrcLunId : 1500
DstLunId : 268436284
PairStatus : 0
PairId : 200
ChunkSize : 128
Arbitration : 3
Queue : ffff88025911a428
Parent : ffff880254305e80
LogId : 384018
HoldFlag : 0
SeqAccessor : (null)
seqAccStatus : 1
TimeType : 1
StartTime : 78
IsolateTime : 78
rimObj : (null)
arrayId : 0
lmrData : 0
version : 131072
writeSlaveTime : 30000
freelogCnt : 0
hangFlag : 0
hangCallback : (null)
hangContext : (null)
lockPriority : 0
lockType : 1
optLockCnt : 0
optLockCollisionCnt : 0
collision ratio : 0%
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
| PairEntry | Entry object of the pair I/O submodule. |
| IsRollBack | Whether the entry is in the rollback state. |
| holdFlag | Hold flag. |
| hangFlag | Hang flag. |
| dbWriteRight | Write permission of layer-1 cache. |
| dwLogType | Difference record type in dual-write. |
| dclIntegrated | DCL integrity flag. |
| logLeft | Log remaining flag. |
| HostIoFilter | Mutually exclusive solution. |
| EntryGroup | Entry group. |
| EntryGroup status | Entry group status. |
| holdTimeout | Hold timeout period. |
| EntryGroup counter | Count of entry groups. |
| pairHangCount | Count of hanging pair I/Os. |
| hangStatus | Status of current hang. |
| callback | Callback function after suspension. |
| arg | Callback parameters after suspension. |
| GroupType | Pair group type. |
| ChunkSize | Pair chunk size. |
| ChildNum | Number of contained child objects. |
| MaxChildNum | Maximum number of child objects. |
| Parent | Parent group. |
| Children | Pointer array of child objects. |
| ObjStatus | Reference status of child objects. |
| RefCnt | Count of members in a child object group. |
| Object | Member in a child object group. |
| PairGroupData | Static data type of a pair group. |
| GroupType | Pair group type. |
| ChunkSize | Pair chunk size. |
| ChildNum | Number of contained child objects. |
| MaxChildNum | Maximum number of child objects. |
| Parent | Parent group. |
| Children | Pointer array of child objects. |
| ObjStatus | Reference status of child objects. |
| RefCnt | Count of members in a child object group. |
| Object | Member in a child object group. |
| PairData | Static data type of a pair group. |
| HashListNode | Linked list node in a hash table. |
| PairType | Pair group type, also serving as the key value of the hash function. |
| SrcLunId | Source LUN ID. |
| DstLunId | Target LUN ID. |
| PairStatus | Pair object status. If SYSC is set to 0, the pair object is being synchronized. If ROLLBACK is set to 1, the pair object is rolled back. l If PAUSE is set to 2, the pair object is suspended. If STOP is set to 3, the pair object is stopped. If ROLLBACK_WITH_SYNC is set to 4, the pair object is rolled back and synchronized. |
| PairId | Pair object ID. |
| ChunkSize | Pair chunk size. |
| Arbitration | Arbitration flag. |
| Queue | Pair queue object. |
| Parent | Owning group object. |
| LogId | Corresponding log ID in the DCL. |
| HoldFlag | Hold flag. |
| SeqAccessor | Sequential access object. |
| seqAccStatus | Status of a sequential access object. |
| TimeType | Time mode, indicating synchronous mode or asynchronous mode. |
| StartTime | Start time. |
| IsolateTime | Isolation time. |
| rimObj | RIM object. |
| arrayId | ID of the target disk array. |
| lmrData | LUN mirror flag. |
| version | Version of the I/O communication. |
| writeSlaveTime | Write of the slave timeout interval. |
| freelogCnt | Count of delayed log deletions. |
| hangFlag | Hangs the flag. |
| hangCallback | Callback function after the hang. |
| hangContext | Callback parameter after the hang. |
| lockPriority | Lock priority attribute of HyperMetro pairs. |
| lockType | Lock type of HyperMetro pairs. |
| optLockCnt | Total times of adding the optimistic lock. |
| optLockCollisionCnt | Times when collisions occur in adding the optimistic lock. |
| collision ratio | Collision rate of adding the optimistic lock. |
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