INFORMATION ACQUISITION METHOD AND APPARATUS, STORAGE SYSTEM, DEVICE, AND MEDIUM

An information acquisition method and apparatus, a storage system, a device and a medium. The method comprises: acquiring disk information of each disk device in a storage system, the disk information comprising a disk identifier and a disk port address (201); acquiring first mounting information of corresponding disks (5) by means of the disk identifiers, the first mounting information comprising first device information of expanders (4) upstream of the disks (5) (202); establishing a first corresponding relationship between expander port addresses contained in the first device information and the disk port addresses (203); if the first device information comprises adapter identifiers of adapters (6) upstream of the expanders (4), establishing a second corresponding relationship between adapter port addresses corresponding to the adapter identifiers and the expander port addresses (204); and, on the basis of the first corresponding relationship and the second corresponding relationship, generating device inf