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Forum Discussion
TylerAllam22
Nov 27, 2025Aspirant
Readynas Pro 2 Corrupt root
raidar is showing that both drives are fine but theres a corrupt root and no firmware. i use the boot menu to try and reinstall the OS from solutions i found online but it does nothing and just illuminates both drive LEDS while the power LED goes off and it stays like this til i restart it.
TylerAllam22 wrote:
its the same as before but it says no disks detected instead of corrupt root
What disks are you using? Generally you want to use NAS-purposed or enterprise class drives. Desktop drives often use SMR technology, which is not well suited for RAID.
If you have appropriate disks, you can put them back in the NAS (powered down), and then do a factory reset from the boot menu. Instructions are on pages 14-15 here:
The reset will take a while, and the NAS might not respond to RAIDar while that is happening. Still, you can wait 15 minutes and then try RAIDar again. Then you should see the firmware.
Access to the admin web ui might require use of firefox with some security setting changes - that depends on what firmware you have running. So post back with a RAIDar screenshot after the reset.
9 Replies
- StephenBGuru - Experienced User
Are you running 4.2.x firmware? Or did you conver this NAS to run OS-6?
Do you have a backup of the files?
- TylerAllam22Aspirant
I have no idea on the firmware, just shows blank but I haven't converted anything, no files to backup I bought it yesterday and just put 2 unformatted empty drives in
- StephenBGuru - Experienced User
TylerAllam22 wrote:
I bought it yesterday
Used? If so, it might have been converted. Note Netgear stopped making the Pro 2 back in 2013.
Try removing the disks, and see what RAIDar tells you then.
- StephenBGuru - Experienced User
TylerAllam22 wrote:
its the same as before but it says no disks detected instead of corrupt root
What disks are you using? Generally you want to use NAS-purposed or enterprise class drives. Desktop drives often use SMR technology, which is not well suited for RAID.
If you have appropriate disks, you can put them back in the NAS (powered down), and then do a factory reset from the boot menu. Instructions are on pages 14-15 here:
The reset will take a while, and the NAS might not respond to RAIDar while that is happening. Still, you can wait 15 minutes and then try RAIDar again. Then you should see the firmware.
Access to the admin web ui might require use of firefox with some security setting changes - that depends on what firmware you have running. So post back with a RAIDar screenshot after the reset.
- TylerAllam22Aspirant
did the factory reset and i can now get into the admin web ui
- StephenBGuru - Experienced User
TylerAllam22 wrote:
did the factory reset and i can now get into the admin web ui
Great. Let us know if you need any more help.
BTW, the final firmware was 4.2.31, which you can manually install from
(Remove the binary from the zip).
IMO it would be best to convert the NAS to run OS-6. That would require upgrading the RAM inside to 2 or perhaps 4 TB first. The conversion does require another factory reset, so you would need to reconfigure the NAS and restore the data.
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