This is a Lenovo SureFi bre400R/J disk array product maintenance guide, which mainly introduces the composition, function, operation method, maintenance specifications and other content of the disk array.
The document is intended for Lenovo storage engineers and related technical staff who need detailed knowledge of using, maintaining, and upgrading the SureFi bre400 RAID array. It outlines the required background and assumes familiarity with HBA, SFP, fiber switches, and storage devices.
The manual covers the system’s modules, indicator lights, power‑on sequence, inspection checklist, fault diagnosis, disassembly, component replacement, and the process for upgrading a bre400 to a bre400R configuration. This manual is written in Chinese.
It provides Lenovo storage engineers with detailed knowledge for using, maintaining, and upgrading the SureFi bre400 RAID system.
The manual describes step‑by‑step procedures under the “更换磁盘模块” section, including replacing online disks, failed disks, and multiple disks.
Section 4.2 outlines the upgrade process, which involves backing up data, removing power, installing additional controller and battery modules, and updating firmware.