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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 showcounter

pair showcounter

Function

The pair showcounter command is used to view the count of asynchronous ports of the pair module.

Format

pair showcounter

Parameters

None

Views

Diagnostic view

Usage Guidelines

If the pair module is abnormal, you can run this command to view the count of asynchronous ports of the pair module.

Example

View the count of asynchronous pair ports.

admin:/diagnose>pair showcounter 
  Name                                      Start        Back Good Back Retry Back Bad     Not Back     avgLatency maxLatency     occurTime      
  --------------------------------          ------------ ------------ ------------ ------------ ------------ ------------ ------------ -------------------  
  Copy Read Page to Write                         0            0            0            0            0            0            0        ----  
  Get Log                                        12           12            0            0            0            0            0        ----  
  Get One Log                                     0            0            0            0            0            0            0        ----  
  Alloc Log Mutex                                12           12            0            0            0            0            0        ----  
  Free Log Mutex                                 12           12            0            0            0            0            0        ----  
  Write Dcl Record                                0            0            0            0            0            0            0        ----  
  Delete Dcl Record                               0            0            0            0            0            0            0        ----  
  Dcl accessor get next chunk                     0            0            0            0            0            0            0        ----  
  Cache accessor get next chunk                   0            0            0            0            0            0            0        ----  
  Share tree accessor get next chunk              0            0            0            0            0            0            0        ----  
  Private tree accessor get next chunk            0         0            0            0            0            0            0        ----  
  Union accessor get next chunk              530070       530070            0            0            0            0            0        ----  
  Union accessor get chunk bitmap                 0            0            0            0            0            0            0        ----  
  Union accessor chunk copy done             249357       249357            0            0            0            0            0        ----  
  Mix accessor get next chunk                176691       176691            0            0            0            0            0        ----  
  Mix accessor get chunk bitmap                   0            0            0            0            0         0            0        ----  
  Remote accessor get next chunk                  4            4            0            0            0            1            0        ----  
  Remote accessor get chunk bitmap                0            0            0            0            0            0            0        ----  
  Remote accessor chunk copy done                 2            2            0            0            0            7            0        ----  
  Pair remote chunk delete all                    0            0            0            0            0            0            0        ----  
  slave accessor get next chunk                   0            0            0            0            0            0            0        ----  
  slave accessor get chunk bitmap                 0            0            0            0            0            0            0        ----  
  slave accessor chunk copy done                  0            0            0            0            0            0            0        ----  
  Pair init receive get next data                 0            0            0            0            0            0            0        ----  
  Pair get data form init Accessor                0            0            0            0            0            0            0        ----  
  Init Accessor receive get next data             0            0            0            0            0            0            0        ----  
  Init Accessor list Object from space            0         0            0            0            0            0            0        ----  
  Init Accessor get data from space               0            0            0            0            0            0            0        ----  
  Init Accessor copy read to write                0            0            0            0            0            0            0        ----  
  Resync get next data                            0            0            0            0            0            0            0        ----  
  Resync get next chunk                      176699       176699            0            0            0            0            0        ----  
  Resync get next data form Accessor              0            0            0            0            0         0            0        ----  
  accessor getnextchunk data                      0            0            0            0            0            0            0        ----  
  Hang Queue Counter                              0            0            0            0            0            0            0        ----  
  UnHang Queue Counter                            0            0            0            0            0            0            0        ----  
  Hang Pair Counter                               6            6            0            0            0            0            0        ----  
  UnHang Pair Counter                             6            6            0            0            0            0            0        ----  
  create master accessor                          4            4            0            0            0            0            0        ----  
  create slave accessor                           0            0            0            0            0            0            0        ----  
  delete accessor                                 0            0            0            0            0            0            0        ----  
  pair clear sync progress                        0            0            0            0            0            0            0        ----  
  notify pair sync complete                       0            0            0            0            0            0            0        ----  
  init sync open obj num                          0         0            0            0            0            0            0        ----  
  init sync close obj num                         0            0            0            0            0            0            0        ----  
  pair add req to filter                   558573       558573            0            0            0            0            0        ----  
  pair get host concurrent                   558573       558573            0            0            0            0            0        ----  
  pair dlm lock                                   0            0            0            0            0            0            0        ----  
  pair opt lock                              558573       558573            0            0            0         0            0        ----  
  pair add req to queue                      558575       558575            0            0            0            0         7080        2018-07-27 15:29:39 
  pair get Log concurrent                    558575       558575            0            0            0            0            0        ----  
  write Log                                  558575       558575            0            0            0            0            0        ----  
  rollback before write                           0            0            0            0            0            0            0        ----  
  pair write master lun                      558575       558575            0            0            0            0        10212        2018-07-27 15:29:39 
  Copy Write Page to Write                   615602       615602            0            0            0            0            0        ----  
  pair per write slave lun                   615602       558516        57022            0           64           46        12377        2018-07-27 15:29:39 
  pair total write slave lun                 558582       558518            0            0           64           51        21553        2018-07-27 15:30:29 
  pair high pri write slave lun                0            0            0            0            0            0            0        ----  
  merge Log                                       0            0            0            0            0            0            0        ----  
  free Log                                   558518       558518            0            0            0            0            0        ----  
  pair dlm unlock                                 0            0            0            0            0            0            0        ----  
  pair hold req                                   0            0            0            0            0            0            0        ----  
  pair return busy when hang                      0            0            0            0            0            0            0        ----  
  pair read lun                                   0            0            0            0            0            0            0        ----  
  pair query bitmap                               0            0            0            0            0            0            0        ----  
  pair trans write                                0            0            0            0            0            0            0        ----  
  Recover log                                    12           12            0            0            0            0            0        ----  
  BackGroup Op                                    0            0            0            0            0            0            0        ----  
  Bgr log2dcl Op                                  0            0            0            0            0            0            0        ----  
  Start merge serv                                6            6            0            0          0            0            0        ----  
  Stop merge serv                                 0            0            0            0            0            0            0        ----  
  Start bgr serv                                  6            6          0            0            0            0            0        ----  
  Stop bgr serv                                   0            0            0            0            0            0            0        ----  
  Create atomic                                   0            0            0            0            0            0            0        ----  
  Stop atomic                                     0            0            0            0            0            0            0        ----  
  Get next replay log                             0            0            0            0            0            0            0        ----  
  Replay log                                      0            0            0            0            0            0            0        ----  
  Delete replay log                               0            0            0            0            0            0            0        ----  
  get one iolog                                   0            0            0            0            0            0            0        ----  
  delete one lognode                              0            0            0            0            0            0            0        ----  
  Pair try ilock                                  0            0            0            0            0            0            0        ----  
  Pair apply ilock                                0            0            0            0            0            0            0        ----  
  Pair cancel ilock                               0            0            0            0            0            0            0        ----  
  Pair release ilock                              0            0            0            0            0            0            0        ----  
  Pair test ilock                                 0            0            0            0            0            0            0        ----  
  Abort rollback read src data                    0            0            0            0          0            0            0        ----  
  Abort rollback read to write                    0            0            0            0            0            0            0        ----  
  PAIR_ROLLBACK_WRITE_SLAVE                       0            0          0            0            0            0            0        ----  
  create iterator                                 0            0            0            0            0            0            0        ----  
  delete iterator                                 0            0            0            0            0            0            0        ----  
  Pair counter for delete pair                    0            0            0            0            0            0            0        ----  
  create snap session                             0            0            0            0            0            0            0        ----  
  destroy snap session                            0            0            0            0            0            0            0        ----  
  query snap diff                                 0            0            0            0            0            0            0        ----  
  Pair create catchup                             0            0            0            0            0            0            0        ----  
  Pair stop catchup                               3            3            0            0            0            0            0        ----  
  Pair update log                                 0            0            0            0            0            0            0        ----  
  Pair get catchup log                            0            0            0            0            0            0            0        ----  
  Pair delete catchup log                         0            0            0            0            0            0            0        ----  
  Pair clear mem log                              0            0            0            0            0            0            0        ---- 

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Start

Count of I/Os to the module.

Back Good

Count of I/Os that successfully return.

Back Retry

Count of I/Os for which a retry message is returned.

Back Bad

Count of I/Os that unsuccessfully return.

Not Back

Count of I/Os that do not return.

avgLatency

Average latency.

maxLatency

Maximum latency.

occurTime

Point in time when the maximum latency occurs.

Copy Read Page to Write

Count of copying a read page to a write page.

Get Log

Count of obtained logs.

Get One Log

Reads a log.

Alloc Log Mutex

Applies for mutually exclusive locks for logs.

Free Log Mutex

Releases mutually exclusive locks for logs.

Write Dcl Record

Count of inserted DCL records.

Delete Dcl Record

Count of deleted DCL records.

Query Dcl Record

Count of queried DCL records.

MAP tree accessor get next chunk

Count of mapping tree query records.

Union accessor get next chunk

Count of union accessor query records.

Union accessor get chunk bitmap

Count of union accessor query bitmaps.

Union accessor chunk copy done

Count of done union accessor copies.

Mix accessor get next chunk

Count of mix accessor query records.

Mix accessor get chunk bitmap

Count of mix accessor query bitmaps.

Remote accessor get next chunk

Count of remote accessor query records.

Remote accessor get chunk bitmap

Count of remote accessor query bitmaps.

Remote accessor chunk copy done

Count of done remote accessor copies.

slave accessor get next chunk

Count of standby accessor query records.

slave accessor get chunk bitmap

Count of standby accessor query bitmaps.

slave accessor chunk copy done

Count of done standby accessor copies.

Pair init receive get next data

Count of initial pair receiving and query records.

Pair get data form init Accessor

Count of data queries from the initial synchronization accessor.

Init Accessor receive get next data

Count of query receiving records by the initial synchronization accessor.

Init Accessor list Object from space

Count of objects obtained from space by the initial synchronization accessor.

Init Accessor get data from space

Amount of data obtained from space by the initial synchronization accessor.

Init Accessor copy read to write

Amount of data copy to the write pages by the initial synchronization accessor.

Resync get next data

Amount of data queried by incremental synchronization.

Resync get next chunk

Count of data query records by incremental synchronization.

Resync get next data form Accessor

Amount of data queried from the accessor by incremental synchronization.

accessor getnextchunk data

Amount of data queried by the accessor.

Hange Queue Counter

Count of pair's hanging of the queue.

UnHang Queue Counter

Count of pair's unhanging of the queue.

Hang Pair Counter

Count of pair's hanging of the pair.

UnHang Pair Counter

Count of pair's unhanging of the pair.

create master accessor

Count of created active accessors.

create slave accessor

Count of created standby accessors.

delete accessor

Count of delete accessor.

pair clear sync progress

Count of cleared synchronous progresses.

notify pair sync complete

Count of pair copy completion notifications.

init sync open obj num

Count of objects opened by initial synchronization.

init sync close obj num

Count of objects closed by initial synchronization.

pair add req to filter

Count of REQs added to the filter.

pair get host concurrent

Count of concurrent host I/O operations.

pair dlm lock

Count of dlm locks.

pair add req to queue

Count of REQs added to the queue.

pair get Log concurrent

Count of concurrent log operations.

Write Log

Count of written logs.

rollback before write

Count of I/Os that rollback before write.

pair write master lun

Count of REQs written to the active node by the pair.

Copy Write Page to Write

Count of copying a write page to another

write page.

pair per write slave lun

Count of REQs written to standby node by the pair.

pair total write slave lun

Total count of REQs written to standby node by the pair.

merge Log

Count of merge log.

free log

Count of deleted logs.

pair dlm unlock

Count of dlm unlocks.

pair hold req

Count of pair hold REQs.

pair return busy when hang

Count that REQs to which busy is returned.

Abort rollback read src data

Count of active node data reading by the abort process.

Abort rollback read to write

Count of page reading by the abort process.

Recover log

Count of restoring logs from LOGZONE to the memory.

Pair counter for delete pair

Count of pair deletions.

BackGroup Op

Count of background transferring of logs in a DS to DCL.

Bgr log2dcl Op

Count of background transferring of a log to the DCL.

Start merge serv

Starts services.

Stop merge serv

Stops services.

Start bgr serv

Starts background services.

Stop bgr serv

Stops background services.

Create atomic

Creates the atomic copy task.

Stop atomic

Stops the atomic copy task.

Get next replay log

Obtains the next replay log.

Replay log

Replays the log.

Delete replay log

Deletes the replay log.

Alloc Log Mutex

Applies for the log lock.

Free Log Mutex

Releases the log lock.

get one iolog

Obtains an I/O log.

delete one lognode

Deletes a log node.

Pair try ilock

Pair applies for synchronous ilock.

Pair apply ilock

Pair applies for asynchronous ilock.

Pair release ilock

Pair releases the ilock.

Pair cancel ilock

Pair cancels the ilock.

Pair test ilock

Pair tests the ilock.

Pair_create_catchup

Creates a catchup task.

Pair_stop_catchup

Stops the catchup task.

Pair_update_log

Updates logs.

Pair_get_catchup_log

Obtains catchup logs.

Pair_delete_catchup_log

Deletes catchup logs.

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Updated: 2019-07-11

Document ID: EDOC1000181619

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