My problem is very similar to https://community.netgear.com/t5/Using-your-ReadyNAS-in-Business/Readynas-Pro-6-won-t-boot/td-p/1033801 It was running readyNAS OS6 without any problems, but after a failure it doesn't boot anymore (showing boot menu). There is also no network activity.Things I tried:Restoring with an usb drive using RAIDiator 4.2:- with OS6- with the downgrade image (6->4.2) supplied on this forum- on many different USB drivesAll with an empty (no partitions) hard drive Then I tried to run xpenology (DSM 6). This works as intended. Since I could now acces the system via SSH again I looked for the internal flash. Checking the timestamps, the USB drive did change something. As a last resort I copied the contents of the downgrade image:csums.md5 initrd.gz kernel kernel.up memtest root.tlz supplmnt.tlz syslinux.cfg version.txt to the internal flash. Installed an empty drive and tried to boot. Again, nothing (and still no LAN activity). It would be great if someone could supply me with the right image to flash using ssh (and serial number?)

Are you booting xpenology from an external USB device? If you re-wrote the internal boot device, then you've lost the ability to revert back to 4.2 or 6.x firmware. Netgear support should be able to rebuild it - but they might not, since they don't support OS 6 or xpenology on your NAS. If you only booted xpenology from an external USB device, then a mod ( JeraldM ) might willing to help. Can you boot into tech support mode?

I only booted xpenology from the USB drive. Mainly to see if the hardware (lan, etc.) was still working. When the NAS displays boot mode I'm supposed to cycle through the boot modes using the back-up button right? It doesn't respond to that. But that's been the case since it's running OS6.

liselotte111 wrote: When the NAS displays boot mode I'm supposed to cycle through the boot modes using the back-up button right? It doesn't respond to that. But that's been the case since it's running OS6. Yes, pushing the backup button is supposed to cycle through the modes. It should have been working after you converted to OS-6. Part of the puzzle here is that Netgear folks (whether a mod or support) would need some way to access the NAS. Normally that would be tech support mode. One option of course is to stick with xpenology.

I would rather not stick with xpenology, since for example the fans are spinning like crazy (suppose there should be a way to fix that, but still). Reading the post from tb303 my problem seems similar? I can acces the internal usb via ssh too, so maybe a similar approach would work?tb303:"I ended up using dd on a debian life boot disk to dd flash the image mdgm supplied to me back to the internal flash. After that I mounted the partition and copied the supplied serial number file to the internal flash." https://community.netgear.com/t5/Using-your-ReadyNAS-in-Business/Readynas-Pro-6-won-t-boot/m-p/1036934/highlight/true#M102282

Yes, at that time mdgm was a Netgear mod. So as with that case, only they can help. If sombody were to give you a dd of their flash, it would include the vpd file, which does include the serial number. And only Netgear can create the encryped vpd for your serial number. But since this is all of your own doing using unsupported software, you have to rely on the mods here doing so as a favor.

Readynas pro 6 not booting. | NETGEAR Communities

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StephenB
Guru - Experienced User
Dec 13, 2021
Are you booting xpenology from an external USB device? If you re-wrote the internal boot device, then you've lost the ability to revert back to 4.2 or 6.x firmware. Netgear support should be able to rebuild it - but they might not, since they don't support OS 6 or xpenology on your NAS.

If you only booted xpenology from an external USB device, then a mod ( JeraldM ) might willing to help.

Can you boot into tech support mode?
- liselotte111
  Aspirant
  Dec 13, 2021
  I only booted xpenology from the USB drive. Mainly to see if the hardware (lan, etc.) was still working.
  
  When the NAS displays boot mode I'm supposed to cycle through the boot modes using the back-up button right? It doesn't respond to that. But that's been the case since it's running OS6.
  - StephenB
    Guru - Experienced User
    Dec 13, 2021
    liselotte111 wrote:
    
    When the NAS displays boot mode I'm supposed to cycle through the boot modes using the back-up button right? It doesn't respond to that. But that's been the case since it's running OS6.
    
    Yes, pushing the backup button is supposed to cycle through the modes. It should have been working after you converted to OS-6.
    
    Part of the puzzle here is that Netgear folks (whether a mod or support) would need some way to access the NAS. Normally that would be tech support mode.
    
    One option of course is to stick with xpenology.
liselotte111
Aspirant
Jan 01, 2022
So after a lot of experimenting I still cannot proceed any further than the same error message: loading aborted.

I can however finally boot into tech support mode. I can telnet into the device and RAIDar tells me the following:

Model: None
Name: readynas
Serial: NONE000200000
Status: Techsupport mode
Firmware: -

Maybe one of the mods would be so kind to help me revive this ultra 6?

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Readynas pro 6 not booting.

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