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Forum Discussion
ReadyNAS Duo v2 fast flashing backup LED
Hello to all experts, Newbie on this forum, I now find myself in a desperate position and need help. Having searched the forum, I have found two threads that I have been trying to use as solutio...
StephenB, powered up the NAS with both disks removed and various USBs connected + powered up the NAS with both disks removed and no USB connected. No difference - the backup LED continues to flash fast and the NAS does not boot :-(
Sandshark, tried five different USBs from 256MB to 8GB with the following three files loaded:
usbrecovery.v1.0.T1marvellRAIDiator-arm-5.3.13
usbrecovery.v1.0.T1marvellDuov2uImage-recovery
usbrecovery.v1.0.T1marvellinitrd-recovery.gz
No difference - the backup LED continues to flash fast and the NAS does not boot :-(
Sad as it seems - the NAS and the chassis has a hardware fault and is beyond hope...
I have in the mean time tried the R-linux with a SATA-USB cable and learned the my files and data can be found on the hard disk! :-)
So, tomorrow I'll order a new NAS with new disks... maybe I'll try another brand this time! Heard that the brand that starts with syn- and ends with -ology have good reviews! :smileyvery-happy:
To both of you - Thank you! Excellent help and ideas received! Much appreciated.
There is a lot more to making a USB recovery key than just putting some files on it. It has to be bootable, which is done by running a program on a Windows PC expressly designed to make the key. I have not found an official Netgear source for the necessary files, but this link was in another forum message: ReadyNAS OS5 Recovery . Note that you typically have to run the executable as administrator on a Windows PC for other versions, so you likely do for this as well.
Sandshark wrote:There is a lot more to making a USB recovery key than just putting some files on it. It has to be bootable, which is done by running a program on a Windows PC expressly designed to make the key.
That is true for x86 systems, but for ARM systems such as the Duo v2 you just need to format the USB key appropriately using the MBR (master Boot Record) partitioning scheme. ARM systems have the process of searching the USB key for the boot recovery files and booting off them built into the u-boot, whereas x86 systems rely on a syslinux bootloader on a USB key that has been set to bootable.
- Find a USB drive with a capacity that is greater than 256 MB, but no more than 32 GB.
- Ensure that the USB drive has only one partition.
- Format the USB drive as FAT, FAT-32, or MS-DOS file system.
- Make a note of the drive letter your USB drive is assigned after formatting.
- Copy data to the USB:
initrd-recovery.gz
uImage-recovery
RAIDiator-arm-5.3.13
Note these files must be in the root of the partition on the USB key. There should be no folders on the USB key.
Then you plug the USB key into the front USB port and press and hold the backup button on boot to boot off it.
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