NAS5540 with RAID 5 recomputing parity from time to time
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Reinhold
Posts: 4 Freshman Member
Last Sunday my NAS540 again started do recompute RAID 5 parity. As I had to switch it of, I lost connection and it took some time until reconnect was possible again.
Why does the system have to resync RAID 5 parity?
Thanks!
Reinhold
#NAS_Sep
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All Replies
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I think one of your disks is dropped from the array from time to time. I didn't know it would re-add that disk without command.
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Strange. Having a hot spare I'd expect the system to switch to the hot spare.
I am not sure, but it may be that the problem occurs when I unplug the power supply for more that two days. I could test it, but I don't like the trouble when my assumption ist true.
I'll wait to see whether it happens again.
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