December 10, 20214 yr Same drives, same USB stick. I just moved from an X3440 Xeon T310 to an R720XD. (Intel® Xeon® CPU E5-2630 0 @ 2.30GHz) 16GB RAM vs 32GB RAM in the 720. All that said, my parity checks are RADCIALLY faster in the 720. Two parity disks, but the X3440 never was above 40% usage or so. So, I can't figure out why the older was so much slower, SOMETIMES. Just put the drives in the 720 and I'm getting 67.5 about 15% in to the check. The 1 error is the same uncorrected one, on one of the parity drives, so I'm just running another due to the drive move. On the 9th tho, it ran at 95Mb/s (!!) but the speeds are all over the map. Just a puzzler. Before I shut it down it had an uptime of like 3 weeks and that has been because of power issues. UPS battery just failed today so it evidently was erroneously saying it was good....which lead to the power issues and I'm sure, the parity issues. And per advice here, now I only do the parity check once per month. I'll probably correct that 1 error on the Q drive IIRC the next time I run it.
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