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OceanStor UltraPath for vSphere 21.3.0 User Guide 03

This document covers the functions, features, installation, configuration, upgrade, uninstallation, maintenance, troubleshooting, and FAQs of OceanStor UltraPath for vSphere (UltraPath forvSphere). UltraPath for vSphere is the multipathing software developed by HuaweiTechnologies Co., Ltd (Huawei for short). The document aims at helping users to be fully familiar with UltraPath for vSphere and its use.
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Querying Storage System Information

Querying Storage System Information

Function

The show diskarray command is used to query information about a specified or all storage systems connected to the application server.

Format

show diskarray [ -a array-id [ -v ] ]

Parameters

Keyword and Parameter

Description

Default Value

-a array-id

ID of a storage system.

You can run show diskarray without an ID to display all storage system IDs.

None

-v

Viewing details about a specified storage system.

NOTE:

Parameter-v can display details about a specified storage system only when it is used with parameter -a.

None

Level

User root

Usage Guidelines

  • Run show diskarray to view information about all storage systems connected to the application server.
  • Run show diskarray -a array-id to view information about a specified storage system.
  • Run show diskarray -a array-id -v to view detailed configuration information about a specified storage system.

Example

  • Run the following command to query information about all storage systems connected to the application server:
    ~ # esxcli upadm show diskarray                     
    -------------------------------------------------------------------------------------- 
     Array ID           Name                  Array SN        Vendor Name  Product Name  
        0           HUAWEI S5300        2102315401Z083000004    HUAWEI        S5300      
        1      SN_210235G6EDZ0C2000001  210235G6EDZ0C2000001    HUASY        S5600T      
    --------------------------------------------------------------------------------------
  • Run the following command to view information about the storage system whose ID is 1:
    ~ # esxcli upadm show diskarray -a 1    
    ======================================================= 
                      Array#1 Information                   
    ======================================================= 
    Name           : SN_210235G6EDZ0C2000001 
    Array SN       : 210235G6EDZ0C2000001 
    Vendor Name    : HUASY    
    Product Name : S5600T           
    Controller 0A: 
           Status  : Enable 
           LunCount: 4 
           PathInfo:  
                    Path1: Normal 
    Controller 0B: 
           Status  : Enable 
           LunCount: 4 
           PathInfo:  
                    Path2: Normal 
     
    =======================================================
  • Run the following command to view detailed configuration information about the storage system whose ID is 1:
    ~ # esxcli upadm show diskarray -a 1 -v 
    ======================================================= 
                      Array#1 Information                   
    ======================================================= 
    Name           : SN_210235G6EDZ0C2000001 
    Array SN       : 210235G6EDZ0C2000001 
    Vendor Name    : HUASY    
    Product Name : S5600T           
    Controller 0A: 
           Status  : Enable 
           LunCount: 4 
           PathInfo:  
                    Path1: Normal 
    Controller 0B: 
           Status  : Enable 
           LunCount: 4 
           PathInfo:  
                    Path2: Normal 
     
    Working Mode : load balancing within controller 
    LUN Trespass : on 
    LoadBalance Mode          : min-queue-depth 
    Loadbanlance io threshold : 1 
    Max io retry timeout      : 1800 
    =======================================================

System Response

The following table explains some parameters in the command output:

Parameter

Description

Default Value

Name

Name of the storage system.

None

Array SN

Serial No. of the storage system.

None

Vendor Name

Vendor of the storage system.

None

Product Name

Model of the storage system.

None

Working Mode

Working mode of the UltraPath.

1

LUN Trespass

Enabling or disabling LUN trespass.

Enable

LoadBalance Mode

Policies of load balancing implemented by the UltraPath. The value can be:

min-queue-depth

Loadbanlance io threshold

Number of consecutive I/Os for load balancing.

1

Max io retry timeout

Maximum I/O retry timeout.

1800

Controller

Name of the controller.

NOTE:
  • If Remote information is displayed after the controller name, the controller is a remote controller.
  • You can only view the information about a maximum of eight paths on one controller.

None

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Updated: 2019-06-29

Document ID: EDOC1100052672

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