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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F V5. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands.
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pair showobjs

pair showobjs

Function

The pair showobjs command is used to view information about pair objects.

Format

pair showobjs lunid

Parameters

Parameter

Description

Value

lunid

LUN ID.

To obtain the value, run "show

lun general" as the super

administrator.

Views

Diagnostic view

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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Updated: 2019-07-11

Document ID: EDOC1000181619

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