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Solved
ReadyNAS error: "mount_block_root+1f1"
After installing the 6.7.3 firmware (6.7.1 > 6.7.3 upgrade), I'm seeing the error message "mount_block_root+1f1" on the LCD. I was going to try the USB Recovery method, but I saw in this similar thre...
USB Recovery with a variety of thumb drives, syslinux.exe versions and 6.7.3/4 didn't work on the unit that was having trouble.
Netgear sent a replacement 314, and the USB Recovery process worked great (on the first try!) for updating the firmware.
So the problem was that 6.7.3 effectively bricked my unit.
It's not working. I tried using a 4GB SanDisk Cruzer, but the 314 kept booting as normal even though I was holding the Backup button. That resulted in the "mount_block_root+1f1" error.
Tried formatting the same USB drive using Rufus, but the instructions were unclear. Is "FreeDOS" the right choice? Do I run Rufus and then run usbrecovery.exe? Do I transfer the contents of a USB created with usbrecovery.exe to a Rufus-formatted USB?
Then I tried a Patriot 8GB USB drive. Now the 314 is in this weird state where it says "Netgear Storage / Welcome [ ]" and the power button is flashing. There doesn't appear to be any USB disk activity.
The disk needs to be syslinux bootable.
The same contents of the x86 folder that usbrecovery.exe puts on the USB key need to be put on the USB key.
Rufus should put the syslinux boot loader on the USB key itself if you chose the correct option.
If you have updated to 6.7.3 and ran into this issue please try USB Boot Recovery with ReadyNAS OS 6.7.4 which is now available!
If you have not yet upgraded please upgrade to 6.7.4 rather than 6.7.3. If your system has already been fixed I would still suggest updating to 6.7.4 the normal way using the web admin GUI.
If you can't do USB Boot Recovery despite trying multiple different USB keys and following the directions you'll need to contact support.
USB Recovery with a variety of thumb drives, syslinux.exe versions and 6.7.3/4 didn't work on the unit that was having trouble.
Netgear sent a replacement 314, and the USB Recovery process worked great (on the first try!) for updating the firmware.
So the problem was that 6.7.3 effectively bricked my unit.
nsne wrote:
USB Recovery with a variety of thumb drives, syslinux.exe versions and 6.7.3/4 didn't work on the unit that was having trouble.
Netgear sent a replacement 314, and the USB Recovery process worked great (on the first try!) for updating the firmware.
So the problem was that 6.7.3 effectively bricked my unit.
I just upgraded to OS version 6.7.4 and it also practically bricked my unit. Now I'm getting this error at bootup. Although the first reboot after the upgrade went fine. I will try the USB recovery method.
What's the accepted method for the USB recovery? Do we need to downgrade to before 6.7.3?
OS 6.7.4 doesn't help really!
I've update the RN516 after the security Mail from Netgear from 6.7.1 and they work after the Restart.
And so I also update also the RN316 from 6.7.1 to 6.7.4.
Now after some Days are both RN bricked with "mount_block_root". :(
"USB Boot Recovery" only ends with "boot from external USB" and flashing USB-LED.
I try different USB's and one of them is located next to the RN316, because they done Recovery some time before.
You could try using Rufus to create the recovery key and/or perhaps try an experimental version of USB Boot Recovery with some improvements: https://www.readynas.com/contributed/mdgm/usbbootrecovery/usbrecovery.v2.0.R15-T3.zip
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