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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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Qos show front_concur

Qos show front_concur

Function

The Qos show front_concur command is used to view information about front-end concurrency control of the current storage system.

Format

Qos show front_concur

Parameters

None

Views

Diagnostic view

Usage Guidelines

None

Example

View existing cache partitions and concurrency usage of each priority in the current storage system.

admin:/diagnose>Qos show front_concur 
Maximum system concur     : 1024 
Refused system concur     : 0 
Max single LUN concur     : 2048 
Frontconcur io in         : 0 
Frontconcur io back       : 0 
Current left IO in queues : 0 
Priority weight           : 0  40  0  32  25  0  0  0 
Cache partition(0) information: 
         Current max total concur                 : 1024 
         Current total concur (include waiting io): 0 
         Current left IO number in this queue     : 0 
         Current total concur (actual num)        : 46 
         priority maxConcur concurUsed        NotSatisfyCnt            AllIo LeftIo     maxUsedConcur maxWaitIONum adjustNumber defaultMaxConcur 
         ---------  --------- ---------         ---------              --------- ---------  ---------        ---------      ---------      --------- 
              0         1           0                0                   0        0           0              0             723                 1 
              1        12           0                   0                   0        0           0              0             723               422 
           2         1           0                   0                   0        0           0              0             723                 1 
              3        13           0                   0                   0        0           0              0          723               337 
              4        16           0                   0                   0        0           0              0             723               263 
              5         1           0                   0                   0        0           0              0             723                 1 
              6         1           0                   0                   0        0           0              0             723                 1 
              7         1         0                   0                   0        0           0              0             723                 1 

System Response

The following table describes the parameter meanings.

Parameter

Meaning

maximum system concur

Maximum system concurrencies.

Refused system concur

Number of concurrencies that exceed the maximum system concurrencies and are

refused.

max single LUN concur

Maximum concurrencies of a single LUN.

Frontconcur io in

Number of I/Os received by front-end concurrencies.

Frontconcur io back

Number of returned I/Os received by frontend concurrencies.

priority weight

Weight of front-end concurrency priority.

Current max total concur

Maximum concurrencies of cache partition N.

current total concur (include waiting io)

Current concurrencies of cache partition N.

Current left IO number in all priority queues

Number of I/Os in all priority queues.

Current left IO number in this queue

Number of I/Os in this priority queue.

Current total concur (actual num)

Total number of current concurrencies.

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Updated: 2019-07-11

Document ID: EDOC1000181619

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