Hello Jerry
I need more informations:
Which ONTAP Version are you using? With or without disk prefailing/copying? Did you start any ps -z ; wait one minute ; ps -c 1 traces? => Which processes make your CPU busy? Did you use statit (for showing usage and response times of every single disk) or wafl_susp (suspense reasons inside WAFL) for analysis?
Basically, I also would be astonished if the reconstruct of a "parity" disk would be the reason of this effect. I "kill" at least one random disk per week for demonstration/training purposes and haven't this effect yet (luckily :-) or sadly :-( because it would be interesting to analyze it ;-) )
Regards! Dirk
Jerry wrote:
Anyone ever experience really bad performance when rebuilding a parity disk?
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