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Shares disappeared after partition filled
A few days ago, network access to my ReadyNAS became unreliable. I logged into the control panel and saw a warning in the logs that the root partition was >90%. I SSHed in and deleted a mess of wha...
()Thanks, both. I tried replying to the PM but it says I've reached my limit.)
So I thought I had fixed it. I renamed the old shares, created new shares in the Control Panel, then copied the files from the old shares into the new shares. All was well, until Disk 2/6 and 4/6 started showing errors. I replaced Disk 4, only to get wind up with another bad disk (the RMA unit). I went on vacation, and during that time, the volume went from degraded to dead. So I think I'm toast.
A little more detail and a question:
I thought I had fixed the issue on my rn716x by renaming my old shares, creating new shares, and copying the files from the old shares to the new shares. All was good for a few weeks.
Then, 2 disks started showing errors. I did an advance RMA but foolishly started wiping the old bad disk before the new one was resynced. It failed to resync b/c it too had sector errors.
At that point, I went on vacation, during which time, the other bad disk failed, and the volume went from degraded to dead.
I tried cloning the disk that failed, but I guess it's out of sync now. Do you know if there's any way to get it back in sync?
I started looking at ReclaiMe and their RAID recovery tool, but can't tell if it will work with my X-RAID configuration.
Thanks for any advice/help.
pl804 wrote:
I started looking at ReclaiMe and their RAID recovery tool, but can't tell if it will work with my X-RAID configuration.
ReclaiMe does work with OS 6 XRAID volumes, and several users have reported success using it.
pl804 wrote:
I tried cloning the disk that failed, but I guess it's out of sync now. Do you know if there's any way to get it back in sync?
Technically no. Once it's out of sync, the only way to sync it is to rebuild it from the others. That can't be done if you have multiple failures.
But it is possible to force the out-of-sync disk into the RAID array. However, it is risky - there is certain to be some file system corruption. Some of that is because of errors on the disk, the rest is because it isn't in sync.
RAID recovery is probably the only real option. You could use Netgear support btw - https://kb.netgear.com/69/ReadyNAS-Data-Recovery-Diagnostics-Scope-of-Service.
1. Ah, that's good to hear that ReclaiMe works with X-RAID. I have 4 good drives that were in the array, 1 good drive that was cloned from the 1 bad drive, and 1 missing drive b/c I wiped the bad drive before confirming that the replacement drive was good. IIUC, I need to connect all 5 drives I have at the same time to a host computer. Can I just use 3 dual-bay SATA docks via USB? I tried connecting even 1 to a Windows VM on a Mac host, but it wouldn't connect properly, so I figure I'll try with a native Windows computer this weekend.
2. Can Netgear do RAID recovery remotely? I saw that support link but couldn't find out how to file a ticket or start the process. I also can't purchase an out-of-warranty support contract because I've never been able to register my RN716X because I bought it refurbished from an Amazon 3P seller years ago, and it had already been registered to someone else.
TIA.
BTW, Seagate also offers a RAID recovery service (that doesn't require Seagate drives). You'd ship them the drives. I haven't used it (or seen any posts here about it), but it might be worth contacting them and asking if they can handle BTRFS. https://www.seagate.com/services-software/recover/in-lab-recovery/
pl804 wrote:
2. Can Netgear do RAID recovery remotely?
They can.
I was told at some point that the service would be available to used equipment owners, but I'm not sure if that actually is the case (or how you would get it if your equipment can't be registered at my.netgear.com). Hopefully Marc_V or another Netgear mod can clarify that.
pl804 wrote:
1. IIUC, I need to connect all 5 drives I have at the same time to a host computer. Can I just use 3 dual-bay SATA docks via USB?
Yes, you will need all 5. The USB docks should work. ReclaiMe only runs on Windows (as you already know).
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