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Forum Discussion
readynas duo2000 cat not boot after firmware upgrade
[background] when i got one ReadyNAS Duo 2000 v1, the firmware version is 4.1.7, and then i upgrade to 4.1.16, because there is no SSH, so i decide to downgrade to 4.1.3(I think there must has ssh i...
Hi Stephen,
thanks much! currently, the machine can not boot any more, if i try to restore factory default, it doesn't work. becasue when i plug the DC power cable, no matter i press the reset button or not, when i press the power button, the four LEDs(power, disk1, disk2, backup) quickly blink once(green color),and then all LEDs turned dark and fan is full of high speed, no response any more.
is this machine damaged? i really hope if i can fix the problem... thanks stephen for your help..
robert002 wrote:
is this machine damaged? i really hope if i can fix the problem...
Is there any data on the NAS that you care about?
If there isn't, then try removing both drives, and power up. Then see if RAIDar detects the system, and shows you a "no disks" status. IF it does, also let us know what firmware it is showing you. https://kb.netgear.com/20684/ReadyNAS-Downloads
What drives are you using? I don't recall exactly when 4.1.x firmware supported 2 TB drives, and if you are using something larger than 1 TB that might be a problem. I do know that 4K sector alignment showed up in 4.1.7, and you have downgraded below that.
It sounds like you need to do a USB recovery to 4.1.16, but a little more investigation to confirm is recommended if you have data not backed up that you need to recover, as suggested by StephenB .
Hi Sandshark:
Thanks! no data need to backup. can you show me the USB recovery way. i tried but faild. not sure if i do it correctly.
btw, if USB recovery failed, if there is other way to rescue..
Hi Stephen:
there is no data need to backup. RAIDar can not detect the system even i remove both drives. (my drive is 1TB / per disk)
no matter I hold reset button or not, when i power up the machine, fan is running with highest speed and all LEDs are dark.
this machine previously is running very well in 4.1.16, when i downgard to 4.1.3, it also can successfully boot up and i can login to its admin page. only when i upgrade from 4.1.3 to 4.1.4, it can not boot up any more.
I use Raw32 to write 4.1.16 img into a USB (4GB), and i plug USB into front usb slot, press the power button and hold for almost 1 minutes, nothing happened and it seems not work. i'm not sure whether i adopt the right way to boot from USB. thanks for advicing...
robert002 wrote:
Hi Stephen:
there is no data need to backup. RAIDar can not detect the system even i remove both drives. (my drive is 1TB / per disk)
no matter I hold reset button or not, when i power up the machine, fan is running with highest speed and all LEDs are dark.
this machine previously is running very well in 4.1.16, when i downgard to 4.1.3, it also can successfully boot up and i can login to its admin page. only when i upgrade from 4.1.3 to 4.1.4, it can not boot up any more.
I use Raw32 to write 4.1.16 img into a USB (4GB), and i plug USB into front usb slot, press the power button and hold for almost 1 minutes, nothing happened and it seems not work. i'm not sure whether i adopt the right way to boot from USB. thanks for advicing...
This looks like the correct process (described here: https://kb.netgear.com/21400/RAIDiator-4-1-USB-Recovery-Tool )
As the article notes, you might need to try a different drive. Generally older ones seem to work better/
Thanks Stephen..
it says: "Press and hold the power button on the front for approximately 20 seconds:
- you'll see all the disk LEDs blink at 5 secs, 10 secs, 15 secs, and 20 secs.
- Release the button right after the 4th blink.
- This will start the USB boot recovery process.
i will try to find another old usb to try. but i think when i hold the power button, no LED blink at all, all dark and fan is running with high speed. i think whether there is some kind of problem before boot from USB. such as some kind of native built-in boot loader (such as so called some kind of "BIOS") in ReadyNAS is damaged? if so, whether there is any way to repaire it...? thanks much 🙂
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