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Forum Discussion
ReadyNAS RN204 files not working after degraded disk recovery
Hi Everyone,
I recently noticed that my ReadyNAS had the status DEGRADED and when I googled I found out that this is typically due to
a disk failure. I only had 2 disks in a RAID1 configuration and from the Admin page I could see that DISK 1 had failed. (or so I think because Disk 1 was yellow and Disk 2 was green. Usually green means OK).
I promptly went out and bought 2 new disks and I changed the failed one first. I let it re-sync and it later said that it had finished the task, but that the disk was still DEGRADED. I then changed DISK 2 also and let it resync again.
I could see all my files and I could also see that they appeard to be right sizes on disk.
However, now I have just noticed that when I download a file, whether a document or an image, although the file size indicates that it has downloaded the file, the file cannot be opened. It is like all files are the correct size, but somehow corrupt?
Have anyone had this issue? Any recommendations on how to fix, or is it even possible to fix? Below the error I get for a jpg file.
Appreciate any help or suggestions.
Cheers, Matt
This is the error for a jpg file that appears the correct size
10 Replies
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MattWall1 wrote:
I changed the failed one first. I let it re-sync and it later said that it had finished the task, but that the disk was still DEGRADED.
It should have been redundant at that point.
One thing you could try: power down and remove both of the current disks (labeling them by slot as you remove them). Then insert the original (failed) disk 1 and see if the system boots. If it does, then see if you can download the jpg sucessfully.
Assuming that all works, then immediately copy off your data.
StephenB wrote:
MattWall1 wrote:I changed the failed one first. I let it re-sync and it later said that it had finished the task, but that the disk was still DEGRADED.
It should have been redundant at that point.
Unless you had two layers to the volume. Did you at one time have smaller drives that you upgraded? If so, there were two layers that needed to sync. Unfortunately, the ReadyNAS reports a sync has completed when it finishes the first one, then goes on with the second.
But I'd expect it would be saying your volume is dead in that case. So maybe the first new drive was just bad.
What happens if you remove both new drives and put in just the good one from the first set? Don't try mixing that one and one of the new ones right now, as they won't be in sync and that could further confuse the NAS.
Thanks for the tip.
I will try to only insert the bad drive and see if it boots up. If it works I'll copy the files to my computer temporarily, before
I then try to sync with one of the good drives. I will let you know how I go.
Cheers, Matt
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