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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
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cache show concur

cache show concur

Function

The cache show concur command is used to query information about cache concurrency.

Format

cache show concur info layer concurType [partitionId]

cache show concur pool poolId

cache show concur concurrent layer concurType

Parameters

Parameter

Description

Value

info

Concurrency information about cache.

-

layer

Queries the range of cache concurrency.

The value can be "a", "v", or "s", where:

  • a:volume and stripe cache.
  • v:volume cache.
  • s:stripe cache.

partitionId

Partition ID.

The value ranges from 0 to 8.

concurType

Concurrency type.

The value can be "all", "I/O", or "dsg", where:

  • all: I/O and destage concurrency.
  • I/O: I/O concurrency.
  • dsg: destage concurrency.

pool

Pool object.

-

poolId

Pool ID.

The value ranges from 0 to 2^32-1.

concurrent

Concurrency.

-

Views

Diagnostic view

Usage Guidelines

None

Example

Query information about concurrency in the cache partition whose I/O ID is 0, including the I/O, destage and other concurrency information.

ibc_os_hs:/diagnose>cache show concur info v all 0 
--------------------------- 
Volume Total Io concurrent 
--------------------------- 
                   remain concur                       
                   -----------------                   
                   page         req         hangNum 
                   ------       ------      -------- 
  total io volume  786431      9756        0          
-------------------------- 
Volume Root Io concurrent 
-------------------------- 
                   remain concur                                 
                   -----------------                             
                   page         req         hangNum actType 
                   ------       ------      --------  -------- 
  io act volume 524288/524288 8192/8192 0         PREFETCH 
  io act volume 524288/524288 9692/9692 0         NORMAL_DSG 
-------------------------- 
Volume Dsg Base concurrent 
-------------------------- 
                                          remain concur                       
                                          -----------------                   
                   partition  type        page         req         actType 
                   ---------  --------- -------      ------      -------- 
  dsg base volume  0          thick       524288       768         NORMAL_DSG 
  dsg base volume  0          thick       524288       768         WRITE_THROUGH 
  dsg base volume  0          thin        524288       768         NORMAL_DSG 
  dsg base volume  0          thin        524288       768         WRITE_THROUGH 
  dsg base volume  0          rowthin     524288       8192        NORMAL_DSG 
  dsg base volume  0          rowthin     524288       768         WRITE_THROUGH 
  dsg base volume  0          fs          524288       1024        NORMAL_DSG 
  dsg base volume  0          fs          524288       1024        WRITE_THROUGH 

---------------------------- 
Some other global concurrent 
---------------------------- 
  g_concur                    mir del     0                   128                                      
  g_concur                    asyprefetch 0                   8192                                     
  g_concur                    voldirty 0                   0                                        
  g_concur                    stpdirty 0                   0                                        
  g_concur                  smartCache  0                   128                                      
  g_concur                    get dmn     0                   256                                      
ibc_os_hs:/diagnose>

System Response

None

Translation
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Updated: 2019-07-11

Document ID: EDOC1000181575

Views: 641820

Downloads: 30

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