Reinstall the HBA driver after replacing the HBA

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If the driver of the original HBA in the server has been installed, you do not need to reinstall the driver after replacing the HBA with an HBA of the same model.

Other related questions:
Download address of rack server HBA drivers
Download address of Huawei's rack server HBA drivers: Qlogic HBA driver Emulex HBA driver

Whether FusionCompute includes the FC HBA driver
For non-Huawei storage devices, the FC HBA driver provided by Linux is used. For Huawei storage devices, the FC HBA driver is delivered with FusionCompute.

Whether the WWN of the HBA changes after the board of a blade server is replaced
Does the WWN of the HBA change after the board of a blade server is replaced? Yes. After the WWN changes, the Linux host cannot discover the mapped LUNs. Add the initiator for the host on the ISM again, and run the hot_add command to scan for mapped LUNs.

Whether HBAs are included in the standard configuration of Huawei servers
HBAs are optional components. Huawei rack servers provide PCIe slots for installing HBA cards, and blade servers support HBA mezz cards. If you want to purchase HBA cards, contact the sales personnel in the local office or query the compatibility list.

Method used to enable the FC SAN startup on the HBA
Method used to enable the FC SAN startup on the HBA: FAQ-How can I enable the FC SAN startup on the HBA

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