Step 1: Connect to the storage with a serial cable, and enter the command prompt interface with a terminal emulation program. Step 2: Reboot the SAN. The SAN will start booting, and you’ll notice two points where this process stops. The system will ask you to press any key at both points. Skip the first point! As soon as you see the second break point, press Enter to stop auto start. Step 3: Then you’ll be suggested to choose variants, from 1 to 4. Type 1 - Reset all admin account passwords and press Enter. Step 4: After that, type 4 - Continue with boot operation.