Case:
When Mr. Chen sent the server of Rain5 array, he said several failures: 1. The RAID array multiple hard disk indicator lights alarm; 2. RAID-5 two hard disk indicator lights alarm;Lost; 3. Lost RAID information, all hard disks are offline; 4. The server cannot be turned on normally; 5. It cannot enter the RAID management interface or crashes when viewing raid information.
Solution:
These reasons analyzed by the engineer recovered: 1. A physical failure of one or more hard disks in the RAID array; 2. The damage of the RAID controller causes the loss of RAID information; 3. The RAID controller upgrade and the system update;RAID information is lost or initialized; 5. accidental power off or power failure causes the RAID module to damage; 6. The RAID array dust is not tagged and the disk sequences are chaotic.