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Parity check much slower than with new motherboard


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I was running a supermicro X8SIL-F and the parity check was very quick (just under a hundred MB per sec)

Parity check took 13 1/2 hours on the X8SIL-F


I upgraded my motherboard to a supermicro X8DTH-6F and now the parity check is about 28MB/sec

This one says it was going to take over 2 days


I have 15 hard drives and 2 SSD cache drives


Is there something I could tweak to speed up the parity check?

I am attaching a diagnostic



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13 hours ago, Squid said:

Every read error means that the system has to recalculate the information that is supposed to be in that sector from all of the other drives, and re-write the offending sector.  So, yes

I also think it should be , but recent disk read error event show negative.

So, if it is true, then tick correction or not during parity check also need consider.



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