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Please read [[Raid Instruction]] firstly. You can freely choose the four RAID modes supported by NASPi Gemini 2.5 by setting the jumper cap. Strongly recommend to use the same brand and capacity HDDs when use RAID Mode.
1. Inert 2 picese SSDs/HDDs to X882 shield and fix it (Refer to [[#Installation Video]] to assemble, only the top cover is not installed, because you need to use the onboard buttons) 2. Power on the this kit. It doesn't matter whether you insert the micro sd card with OS or not, here is just need to supply power to X882 shield. 3. Please choose your raid setting:
'''Jumper instruction of Raid Setting:'''
[[File:Raid-Setting.jpg|400px|NASPi Gemini Raid Setting]]
4. Press the '''RAID SET''' button for about '''5 seconds''', and release it till the blue LED indicators starts flashing, and it means the RAID setting is complete.
You need flash OS Image into the Micro sd card and insert Micro SD card into Pi 4. Press the '''RAID SET''' button for about '''5 seconds'''board then boot this device, and release it till then open Teminal program to type the blue LED indicators starts flashing.following command:<pre>pi@raspberrypi:~ $ fdisk -lfdisk: cannot open /dev/ram0: Permission deniedfdisk: cannot open /dev/ram1: Permission deniedfdisk: cannot open /dev/ram2: Permission deniedfdisk: cannot open /dev/ram3: Permission deniedfdisk: cannot open /dev/ram4: Permission deniedfdisk: cannot open /dev/ram5: Permission deniedfdisk: cannot open /dev/ram6: Permission deniedfdisk: cannot open /dev/ram7: Permission deniedfdisk: cannot open /dev/ram8: Permission deniedfdisk: cannot open /dev/ram9: Permission deniedfdisk: cannot open /dev/ram10: Permission deniedfdisk: cannot open /dev/ram11: Permission deniedfdisk: cannot open /dev/ram12: Permission deniedfdisk: cannot open /dev/ram13: Permission deniedfdisk: cannot open /dev/ram14: Permission deniedfdisk: cannot open /dev/ram15: Permission denied* After RAID mode changed, please confirm that the PC can recognize the disk(s) properly and shows the right capacity.fdisk: cannot open /dev/mmcblk0: Permission deniedfdisk: cannot open /dev/sda: Permission deniedfdisk: cannot open /dev/sdb: Permission denied</pre>
You can found two hard drives if you select 'clear raid mode'(this is PM mode)