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The resync operation finished on volume data. However, the volume is still degraded.
Hello, - my RN10400 (latest FW6.6.1) contains 2x WD30EZRX in RAID1 and serves as my backup medium - Every morning I replace the second WD30EZRX (which I take with me at home) with a 3rd WD30EZRX, s...
So, in the past you were forcing a resynch on your RAID1 every morning by exchanging the disk in the second slot against a spare disk?
May I ask, for how many days/weeks/months/years you conducted this kind of backup procedure?
When the resync happens everything from the disk in the first slot is copied to your second disk and beyond that to my understanding each and every sector on both disks is also touched for consistency checking.
With your approach conducted for a long time it could very well be, that the first disk has just been weared off. Your second and third disk might become bad after twice the time the first one survived so far.
What ever you are going to do, just let me recommend to replace your current backup approach by something, which is not stressing your disks that much.
If you like you can read about MTBF on Wikipedia here
Hi Roland,
thanks for your answer, i'm using this procedure for about 3 years now, without any problem.
I agree that this method is very stressing for the HDD's, maybe I should have used WD RED HDD's from the beginning.
I'll look into another approach, thanks
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