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Forum Discussion
Degraded volume after resync
I have a reasonably old RN314 which I have had to fix up some failing drives.
Having resynced the volume from one disk to a new hot spare, the volume says it's still degraded. I have tried to post this with evidence, but the posts keep disappearing
I ran a disk test which said both drives had failed, but both are working seemingly fine. One of the log files has
May 29 11:33:39 Surire readynasd[3045]: Failed to call method ResetFailedUnit noflushd.service: No such file or directory
May 29 11:33:40 Surire readynasd[3045]: Disk test started for volume data.
May 29 11:36:24 Surire readynasd[3045]: Disk test failed on disk in channel 2, model WDC_WD30EFRX-68AX9N0, serial WD-WMC1T2306984.
May 29 11:36:24 Surire readynasd[3045]: Disk test failed on disk in channel 3, model WDC_WD30EFRX-68EUZN0, serial WD-WCC4N6XZY5N8.
Do you think this is now something I should treat as dead - it's quite many years old - bought in 2011.
Not really sure I want/need to replace it...
4 Replies
If the volume is reported as "degraded", that means no redundancy and the data is still available for backup. Do that backup now if you don't already have one. Under no circumstances power down or restart the NAS, as there is a good chance it will come up with the volume "dead".
With two failing drives, I wouldn't even try replacing each disk and letting it go through another re-sync. Back up the data and configuration, replace the two (or maybe all) drives, factory default, and restore. Or, take the plunge and start looking at new NAS hardware that's still supported by the manufacturer.
I agree with @Sandshark that you should first back up the data.
The disks are of course old, with sdb showing 10 years of power-on hours (88478). Did you also look at smart_history.log?
I would treat a self-test failure seriously. You could power down the NAS, connect the disks to a PC and check them with WD tools (their current tools is KitFox).
Make sure the NAS remains powered down until you reinsert the disks.
Thanks for the replies - yes, backups have been done when I first noticed the disks failing. I've been reluctant to power down in case it never came back. The NAS is pretty much read-only these days, and I keep wondering if I really need to replace it. Probably due to procrasination, I think I'm going to wake up one morning and wonder why my music is no longer playing :)
The NAS is pretty much read-only these days, and I keep wondering if I really need to replace it.
The NAS is most likely fine, it's the disks that are problematic.
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