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Huawei SAN Storage Host Connectivity Guide for VMware ESXi

HUAWEI SAN Storage Host Connectivity Guide for VMware ESXi Servers

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Storage System Configuration

If you use UltraPath, retain the default initiator settings. Do not select Use third-party multipath software.

Figure 6-4 Initiator setting when UltraPath is used

Host Configuration

Install UltraPath by following instructions in the OceanStor UltraPath for vSphere User Guide.

After you install UltraPath, set the trespass policy for LUNs as follows:

  • This configuration must be performed on all hosts separately. Retain the default settings for other parameters.
  • If a LUN is mapped to multiple ESXi hosts in a cluster as VMFS datastores, raw devices (RDM), or virtual volumes (VVols), the host LUN IDs of the LUN for all of these ESXi hosts must be the same. You are advised to add all ESXi hosts in a cluster that are served by the same storage device to a host group and to the same mapping view.
  • For UltraPath earlier than 21.2.0, it is recommended that you run the set luntrespass command to disable the trespass policy.
    # esxcli upadm set luntrespass -m off 
    Succeeded in executing the command.
    The command format is set luntrespass [ -a array-id | -l vlun-id ] -m mode. Table 6-3 describes the key parameters in the command.
    Table 6-3 Parameter description



    Default Value

    -a array-id

    ID of the storage array

    You can run the show diskarray command to query the ID of the storage array.


    -l vlun-id

    ID of the virtual LUN

    You can run the show vlun command to query the IDs of all virtual LUNs.


    -m mode

    Trespass policy of LUNs

    • on: Switchover of LUNs' working controller is enabled.
    • off: Switchover of LUNs' working controller is disabled.


  • For UltraPath 21.2.0 and later, it is recommended that you retain the default settings (the trespass policy is disabled by default).
Updated: 2020-01-17

Document ID: EDOC1000144883

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