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OceanStor UltraPath for vSphere V100R008C50 User Guide 06

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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General Settings

General Settings

This section describes how to set the general parameters of UltraPath for vSphere.

Procedure

  1. In the Device area on the left of the vCenter management interface, click Disk Array Management to enter the array management page.
  2. At the upper right corner, click Global Settings.
    The Global Parameter Settings dialog box is displayed.
  3. Click the General tab and set the general parameters in the Common Settings area. The following table describes the parameters:

    Parameter

    Description

    Value

    Load balancing mode

    Load balancing mode of UltraPath for vSphere.

    The value is either Within controller or Between controllers.

    [Default value]

    Within controller

    [Example]

    Within controller

    Load balancing algorithm

    Path selection algorithm of UltraPath for vSphere.

    The value can be Minimum queue depth, Minimum task, or Round robin.

    [Default value]

    Minimum queue depth

    [Example]

    Minimum queue depth

    LUN trespass

    Enabling or disabling LUN trespass.

    The value can be either Enable or Disable.

    [Default value]

    Enable

    [Example]

    Enable

  4. Set the number of consecutive I/Os for load balancing.

    NOTE:
    Increasing the consecutive I/Os of a path can improve the efficiency of processing sequential I/Os. However, it does not apply to discrete I/Os, and an extra-large amount of consecutive I/Os causes path blockage for short periods of time. Therefore, set an appropriate value based on your service I/O model to improve performance.

    1. Click Continuous I/O Quantity Settings next to Load balancing algorithm.
      The Continuous I/O Quantity dialog box is displayed.
    2. In Load balancing continuous I/O quantity, set the number of consecutive I/Os.

      The value ranges from 1 to 10,000. The default value is 1.

    3. Click OK.
  5. Click OK.

    NOTE:
    If you want to restore the default global settings, click Restore to Default.

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Updated: 2019-03-06

Document ID: EDOC1000105152

Views: 37198

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