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[[File:NASPi2-04.jpg|thumb|right|NASPi Gemini2.5]][[File:NASPi2-01.jpg|thumb|right|NASPi Gemini 2.5 Interface]][[File:IMG-3743-Dimension.jpg|thumb|right|NASPi Gemini 2.5 Dimension]][[File:X882 V2.0-INTERFACE.jpg|thumb|right|X882 V2.0 InterfaceIndication]][[File:X882-V1.3-socket-indication.jpg|thumb|right|X882 V1.3 Interface Indication]][[File:NASPi-Gemini-Inner.jpg|thumb|right|NASPi Gemini 2.5 Inner View]][[File:X882-OLED.jpg|thumb|right|X882 Oled Support]][[File:NASPi-Gemini-Packing-list.jpg|thumb|right|NASPi Gemini 2.5 Packing List]]

At the early 2017, we made a NAS storage solution for Raspberry Pi. Accroding to customers' feedback, we made a series of improvements, like [[X800]], [[X820]], [[X825]] V1.5, [[X825 V2.0]], [[X828]], [[X829]], [[X822]], [[X880]], [[X883]], [[NASPi Lite]], [[NASPi]], etc. From only supporting single hard disk to support dual hard disks, from complicated installation to simple installation, now a new raspberry pi storage kit - [[NASPi Gemini 2.5]] (only support 2.5" HDD/SSD) is released. Hope you will like it! 'Gemini' means dual, '2.5' means 2.5-inch SSD/HHD; Click [[GEEKWORM NAS Family]] to know more. ===Update History=== * In December 2022, the NASPi Gemini 2.5 has been updated to a new version, it is the update of X882 V1.3 to X882 V2.0, remove the USB-C port on X882 V1.3, and update DC 5V power in to wide voltage input DC6-18V power in.* The new version completely solve the issue of I/O error.[[File:X882-Compare.jpg|700px|X882 V2.0 VS X882 V1.3]]

Geekworm NASPi Gemini 2.5 is an ultra-compact dual 2.5 inch SATA HDD/SSD NAS storage kit with safe shutdown and auto power on function that specially designed for Raspberry Pi 4 Model B computer, it allows two pcs 2.5" HDD/SSD to working at the same time with your Raspberry Pi 4. Also support use with one single 2.5" SATA HDD/SSD.

NASPi Gemini 2.5 is composed of three parts: [[X882]] dual 2.5" SATA HDD/SSD shield, NASPi Gemini 2.5 metal case and heat dissipation system(3Pin 4010 PWM fan with metal bracket). To get better heat dissipation of NASPi Gemini2.5, it also support install Max 7mm thickness heatsink above Pi4, as we use the M2.5*11+6mm spacers to fix the PWM fan with metal bracket. There is space for extra heatsink installation on Pi4.

* <span style="color:red;">Power NASPi Gemini 2.5 via USB-C or DC jack of X882 shield, DO NOT power via USB-C of Raspberry Pi 4, or you can't use the AUTO ON & Safe shutdown function</span>* Because the shielding of the metal casing will cause the <span style="color:red;">loss of 2.4G wifi signal</span>, we only recommend you to use Ethernet or 5G WiFi.

* Insert the SD card into Raspberry Pi 4 first before NASPi Gemini 2.5 installation start.* 5G WiFi is stable enough, recommend using Ethernet or 5G WiFi.* The Raspberry Pi4 board, 2.5" SATA SSDs/HDDs, power adapter are all not included in the packing list. '''Important!!''' For better system compatibility & performance, Please format your HDD/SSD to Ext4 file system.  We found that some newbies always ask strange questions about RAID; Please note:  # NASPi-Gemini 2.5 is a hardware RAID. It supports RAID at the hardware level and does not require any software configuration. This has nothing to do with software.# Although NASPi-Gemini 2.5 also supports hardware RAID, BUT we recommend that you use '''software RAID''', which will bring a certain degree of ease of maintenance later on. Software RAID comes from the NAS software you use, such as OMV

* Support <span style="color:red;font-weight:bold">Auto Power On</span> function by jumper setting (Automatically turn on when there is a power supplyapplied)

==Power Supply=for X882 V2.0===* Via Type-C port Power via DC5521 Jack of X882V2.0, <span style="color:red;">6-18Vdc, 5.1Vdc +≥4A</-5% span>, ≥4A（Geekworm Type-C 5V 4A 20W power supply is recommended.）* Via DC5521 Jack of Refer to the following diagram:[[File:X882, 5-V2.1Vdc +/0-5% , ≥4A (DC5525 Jack is compatible with DC5521, also support 5V PSU with DC5525 Jack)How_to_Power1.jpg|700px|How to Power NASPi Gemini V2.0]]

'''Note about ===for X882 V1.3===* Via DC5521 Jack of X882 V1.3, 5.1Vdc +/-5% , ≥4A <span style="color:red;">Recommend!!!</span> (DC5525 Jack is compatible with DC5521, also support 5V PSU:''' Please use with DC5525 Jack)* Via Type-C port of X882 V1.3, 5.1Vdc +/-5% , ≥4A（Geekworm Type-C 5V 4A 20W power supply is recommended.）* We recommend the high quality power adapter, or the HDD/SSD may cannot be recognized. Since NASPi Gemini 2.5 can install two pcs 2.5 inch hard drives, it needs a high-quality power supply to provide enough current.* Refer to the following diagram:[[File:NASPi2-pwr-in-diagram.jpg|700px|How to Power NASPi Gemini v1.3]]

[[File:NASPi2-05.jpg|700px|==How to Power Cooling?==* The NASPi Gemini2.5 uses the same cooling scheme as the [[NASPi]], we only increased the height of the copper spacer from 6mm to 11mm to allow a heatsink with a maximum thickness of 7mm to be placed on the CPU chip.* NASPi Gemini 2.5 uses 4010 PWM cooling fan (<span style="color:red;">3 wires, support speed adjustment NOT reading speed</span>), can support automatic adjustment of speed according to CPU temperature, need to install the shell script.

===Cooling Solution===* Using PWM cooling fan, can support automatic adjustment of speed according Refer to CPU temperature, need to install the shell script[[#Installation Video for X882 V1.3]] if you are using X882 V1.* Support Max 7mm thickness heatsinks installation on Raspberry Pi 4 as we use 11mm height spacers for the fan with bracket installation on Pi43.

===Operating SystemHow to Install Script===* All Raspberry Pi operating systems <span style="color:red;">(If the OS (such as Home Assistant) does not allow Refer to [[X-C1 Software | how to install the installation of external scriptsshell script]], then the software and this script is required to install to enable PWM fan runs and safe shutdown and automatic adjust fan speed functions are not supported;)</span>function.

===Note about How to choose SSD/HDD===

== Raid = How to Configure RAID Setting===Refer to [[Raid InstructionHow to Configure RAID Setting]]

===Some tutorials===*[[How to View/Partition/Format/Mount HDD/SSD]]*[https://raspberrytips.com/format-mount-usb-drive/ How to Format and Mount a USB drive on Raspberry Pi]* How to How to migrate Raspberry Pi SD card to a USB SSD: https://www.youtube.com/watch?v=AenM-JrG098* [https://www.jmicron.com/file/download/1033/JMS561_Product+Brief.pdf Chip Document]* How to Run Raspberry Pi 4 or 3 Off an SSD or Flash Drive: [[Does the X825/X855 support USB boot]]* Tutorial – How to Initialize, Partition and Format a Brand New SSD in Windows: [[File:RAIDTutorial_Initalize_New_SSD.pdf]]* [https://www.addictivetips.com/ubuntu-instructionlinux-tips/set-up-openmediavault-on-raspberry-pi-4/ How to set up OpenMediaVault on Raspberry Pi 4]*[[Properly Mount USB Storage on Raspberry Pi]]*[[Auto Mount an NTFS USB Drive on Raspberry Pi]]* [https://github.jpg|800px]com/raspberrypi/firmware/issues/1515 Difficulty booting from SSD drive]* How to build a Raspberry Pi NAS: https://youtu.be/gyMpI8csWis ==Packing List==* 1 x NASPi Gemini 2.5 Metal Case* 1 x X882 Dual 2.5'' SATA SSD/HDD Shield（V1.3 or V2.0 Version）* 1 x X823-A3 metal bracket with PWM fan* 1 x screws pack accessories ==Installation Video for X882 V1.3==For NASPi Gemini 2.5 Old version with X882 V1.3: https://youtu.be/7FzZeoTBQiI

You can freely choose the four RAID modes supported by NASPi Gemini by setting the jumper cap{{#ev:youtube|https://youtu.be/7FzZeoTBQiI}}

＊'''Warning''' ==FAQ==<span style="color: Please backup your data before setup and switch, otherwise you maybe lost your data.red;font-weight:bold">Q1: Why only one SSD/HDD is recognized?</span>

1. Inert HDDs to X882 shield and fix itA: You found only SSD/HDD if you select the RAID0/RAID1 mode.

2. Please connect '''exit the X882 to your PC or Raspberry Pi board RAID mode''' and keep power oncheck again after '''entering the PM mode(clear raid mode)'''.

3. Switch RAID mode* Set the switch button More details please refer to your preferred RAID mode(PM/RAID 0/RAID 1/SPAN) as per the RAID illustration table.* Press the '''SET''' button for about Set CLEAR RAID mode'''of [[NASPi_Gemini_2.5 seconds''', and release it till the blue LED indicators starts flashing.* After #How_to_configure_RAID|How to configure RAID mode changed, please confirm that the PC can recognize the disk(s) properly and shows the right capacity.]]

You found only one hard drive if you select the RAID0A: Please refer to [[How to View/RAID1 modelPartition/Format/Mount HDD/SSD]]

Once you set A: NASPi Gemini 2.5 support Max <span style="color:red;">16mm</span> thickness 2.5" HDD/SSD; The thickness of 2.5" HDD/SSD on the RAID mode successfullymarket is generally 7mm, 9.5mm, 12.5 and 15mm，so you need to partition&format&mount can choose the hddSSD/ssd, so that it can be recognized by HDD according to your Raspberry Pi OSrequirement. please refer to [[How to View/Partition/Format/Mount HDD/SSD]]

Some tutorialsQ4:Does raid inside of openmediavault function with NASPi-Gemini 2.5? A: NASPi-Gemini 2.5 support hardware RAID mode, please refer to above Raid_Setting, or you can set it to PM mode then let openmediavault control RAID setting.  Q5: What are the HDDs requirement when use RAID mode? A: Strongly recommend to use the same brand and capacity HDDs when use RAID Mode.*[[Properly Mount USB Storage on Raspberry Pi]]*[[Auto Mount an NTFS USB Drive on Raspberry Pi]]* [httpsQ6:What to do if meet I//githubO error? A: First please check if you use the USB Type-C power adapter, if yes, please change to use DC power adapter topower via DC jack of X882 to test.com/raspberrypi/firmwareThe USB Type-C PSU maybe not enough to power the dual HDD/issues/1515 Difficulty booting from SSD drive].  * How to build a Raspberry Pi NASQ7: httpsWhy only one SSD/HHD can be recognized? A:You choose the RAID1 mode, because it is a hardware RAID, so OS recognize only one HDD//youtuSDD.  Q8: How to know if there will be/gyMpI8csWisHDD errors? * A: If there is HDD error, there will be red led for the red marked part LED. [[How to View/Partition/Format/Mount File:Hdd.png|thumb|none|HDD/SSDerror]] 

===On board switch Q9: RAID issue with blue LED light===* Press button switch to turn on* Press button switch and hold for 1~2 seconds to reboot* Press button switch and hold for 3 seconds to implement safe shutdown* Press button switch and hold for more than 8 seconds to force shutdownOMV.

==Packing List==A: The RAID mode is not tested with OMV OS. The OMV also supports software RAID, you can set the X882 to PM mode and test the software RAID of OMV.* 1 x If you want to test the hardware RAID of X882 V1, it can be connectted to WINDOWS PC for testing.3 Dual 2.5'' SATA SSD/HDD Shield* 1 x NASPi Gemini Metal Case* 1 x 3pin 4010 PWM fan with metal bracket* 1 x screws pack accessories

==FAQ==Q1: What First of all, it depends on whether you use '''software RAID''' or '''hardware RAID'''. If you use software RAID, there will be corresponding functional modules in the NAS software to do if assist you in replacing the hard drive. After the HDD/SSD replacement is not recognized?completed, the NAS software will automatically synchronize the data to the new hard drive.

If you use '''hardware RAID''', you can refer to the following steps:# '''Confirm the faulty hard disk''': If the HHD1 or HDD2 LED lights up red, it means that the HDD feedback S.M.A.R.T read error, it is recommended to replace it # '''Back up important data''': Please refer It is recommended to connect to a Windows computer and back up important files directly through COPY. # '''Purchase a new hard drive''': To ensure compatibility and performance consistency, it is recommended to [[How purchase a hard drive of the same model and capacity as the original hard drive. # '''Shut down the NAS system''': to View/Partition/Format/Mount HDD/SSD]]avoid data corruption or other unexpected situations during the replacement process # '''Start the NAS system''': After startup, the RAID controller will automatically detect the new hard drive and start the data synchronization and reconstruction process. This process may take some time, depending on the size of the hard drive and the load on the system.

Q2PS: What is Although GEMINI also supports hardware RAID, we recommend that you use software RAID, which will bring certain convenience to later maintenance. The function of software RAID comes from the thickness of a 2NAS software you use such as OMV.5" HDD/SSD that can be accommodated for NASPi Gemini?