Method and device for querying hard disk VPD information in BIOS stage

By selecting hard drives under the RAID card during the BIOS stage and utilizing the RAID card to pass through the SCSI protocol, the problems of deviation and character loss when querying hard drive information in the BIOS are solved, achieving complete and accurate acquisition of hard drive information and improving server management efficiency.

CN120803549AActive Publication Date: 2025-10-17ENGINETECH COMPUTER CO LTD
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Patent Information

Application Number
CN202511299222.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2025-10-17
Estimated Expiration
2045-09-12

AI Technical Summary

Technical Problem

Existing technologies suffer from information discrepancies and character loss when querying hard drive information under a RAID card using the standard SCSI Inquiry command during the BIOS stage, failing to meet the requirements for the integrity and accuracy of hard drive information.

Method used

During the BIOS phase, multiple enumerated hard drives using the SCSI protocol are obtained. The target hard drive to be queried is selected based on the device connection method and connected to the motherboard via a RAID card. The RAID card transmits the VPD information query command through the SCSI protocol and receives the information returned by the target hard drive to ensure information consistency.

Benefits of technology

It enables complete and accurate acquisition of hard drive VPD information under RAID card from the BIOS, improving the efficiency and convenience of server hardware diagnosis, asset inventory and troubleshooting, and ensuring the accuracy and completeness of information.

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Abstract

The invention provides a method and device for querying hard disk VPD information in a BIOS stage, and belongs to the technical field of hard disk parameter acquisition. The method provided by the invention comprises the following steps: in a BIOS stage, obtaining a plurality of enumeration hard disks; screening a target to-be-queried hard disk from the enumerated hard disks based on the equipment connection mode of the enumerated hard disks, wherein the target to-be-queried hard disk is connected with the mainboard through the RAID card; the BIOS end sends a VPD information query instruction based on an SCSI protocol, and the RAID card forwards the query instruction to a target to-be-queried hard disk; the target to-be-queried hard disk returns hard disk information corresponding to the query instruction to the RAID card based on the SCSI protocol, the hard disk information is sent to the BIOS end through the RAID card, and the received hard disk information is completely consistent with hard disk information locally stored in the target to-be-queried hard disk. The method and the device for querying the hard disk VPD information in the BIOS stage are used for realizing complete acquisition of the hard disk information under the Raid card at the BIOS end.
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