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If you hover your mouse over the disk you should see some stats.
Your logs show that disk 3 (one of your WD20EARS disks) has failed. It has 945 reallocated sectors and a current pending sector count of 695. I would suggest replacing this e.g. with a WD20EFRX.
Your smart_history.log would suggest this disk was failing possibly as far back as April. Certainly by May/June.
Not sure what the Smart stats are for the disks? Apart from the yellow 'degraded' alert, there is nothing else in any interface that looks like a problem?
If you hover your mouse over the disk you should see some stats.
Your logs show that disk 3 (one of your WD20EARS disks) has failed. It has 945 reallocated sectors and a current pending sector count of 695. I would suggest replacing this e.g. with a WD20EFRX.
Your smart_history.log would suggest this disk was failing possibly as far back as April. Certainly by May/June.
Sure thing, I can replace this disk. I assume that I can just remove the current disk and replace with a fresh one? Then the RAID configuration should take care of syncing - is that correct?
ps. What do you mean if I have a backup? This ReadyNAS is my backup?
ps. What do you mean if I have a backup? This ReadyNAS is my backup?
For some people, the ReadyNAS is only used to back up their PCs. If the ReadyNAS fails, not much harm is done since the original files are still on the PCs.
But if you have original files on the NAS, then you do need backups of the NAS. RAID is not enough to keep the data safe.
With one disk failure, you have no RAID redundancy, so if a second disk were to fail you'd lose everything on the NAS. So you should make sure that you have copies of everything that matters to you.
Sure thing, I can replace this disk. I assume that I can just remove the current disk and replace with a fresh one? Then the RAID configuration should take care of syncing - is that correct?
Yes. Remove the failed disk, and insert the unformatted replacement with the NAS running.
Yes. Provided the other disks are fine that should work fine. However if one of the other disks happens to be failing then it is possible the resync may fail, which is why I asked you if you have a backup.
So the primary copy of your data is on your PC and the NAS is holding the backup of that data? Or do you mean something else?
No important data should be stored on just the one device.
Yes, my files are still on my laptop, so this is simply the backup.
However this is the TimeMachine backup, so if I was to lose the TimeMachine, I would still have my current files, but I would lose all of my file version history stored in TimeMachine.
You're welcome. I should also have mentioned that you could get a higher capacity disk if you want, but you would need two of these in the NAS to see any increase in volume capacity. You would need to replace the failing disk, wait for the sync to complete then add the next disk.
