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Forum Discussion
My ReadyNAS 104 died due to lightning - how to recover data
Hi! My area was hit by a lightning, approx 40 meters from my house (one tree ). And unfortunately my ReadyNAS 104 died. I am not 100% sure how it was setup, but I know I had it in a raid setup. Al...
jma73 wrote:
- If I am very lucky, it is only the power-adapter that broke, but I doubt it. Eg. My router was completely dead (both power adapter and the router it self.).
Still might be worth a risk-buy of a compatible adapter. You can find them (US anyway) for about $20 USD.
jma73 wrote:Questions:
- Anybody who can suggest how I can check if the disks are still working?
You can connect them to your PC (either SATA or with usb/adapter dock) and check them with vendor tools. Seatools for Seagate, Dashboard for Western Digital. Windows won't mount them, but the software will find them.
jma73 wrote:
- Is the filesystem EXT3 or EXT4? (I probably set it up around 2014-15 ). I must have used the default.
No, it's BTRFS.
jma73 wrote:
- And how to access the data again. I guess I need to somehow create the setup in another raid system. Or what?
- I have a old stationary PC. Could it be possible to set them up? Or would I need some raid hardware?
The NAS uses software RAID (mdadm), so no RAID hardware needed.
Options for recovery include:
- purchasing a replacement OS-6 NAS (or a 4.2 NAS that can be converted to OS-6). These would be used, and possibly old. Then upgrade the firmware to the current version using a spare disk, and migrate the disks to the new NAS.
- Get the hardware needed to connect the disks to your PC. This could be a 4-bay USB enclosure, or possibly two 2-bay enclosures. Cost (US pricing) would be ~$100--$150. Note you will need enough storage to offload the data.
If you go with (2), you will need to either
- boot the PC up with linux, and install mdadm and btrfs. Then manually mount the data volume.
- purchase RAID recovery software that includes btrfs support. ReclaiMe is one option people here have used with success.
- install beta software on the PC for mdadm/btrfs under windows, and try to use that.
The beta software would be
Definitely a work-in-progress, but free to try.
It could be just the power supply. But a strike that close can often induce a voltage between the ground of the LAN port and the power, which could fry the LAN connection as well. Your fried router is a sign that could well be the case. You could try another supply, but I'd say your chances of that working are less than typical. It may boot, only to find you have no way to access it because the LAN port is dead.
Of course, if you are going to replace the NAS with another ReadyNAS if the replacement supply doesn't fix the problem, you'd already have a new supply and could include NAS without one in your search for the replacement.
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