Hi, Thanks for your reply. I've been reviewing and I noticed with the command srstatvlun shows the raise of the IO/s and KB/s aprox. in 4:00 and in 7:10 am today (see attached file). A high qlen is observed in the file, too.
On the other hand, today I added space to a VV with configured remote copy (syncronous FC), and during the sincronization of the additional space, the following output was observed in the statcpu: 10:43:39 06/04/2020 node,cpu user sys idle intr/s ctxt/s 0,0 0 55 45 0,1 1 89 10 0,2 0 40 60 0,3 0 59 41 0,4 0 48 52 0,5 0 66 34 0,6 0 42 58 0,7 0 85 15 0,8 0 30 70 0,9 0 31 69 0,10 0 29 71 0,11 0 67 33 0,total 0 53 47 83660 111046
1,0 1 49 49 1,1 0 89 11 1,2 0 40 60 1,3 0 55 45 1,4 0 44 56 1,5 0 64 36 1,6 0 37 63 1,7 0 83 17 1,8 0 31 69 1,9 0 31 69 1,10 100 0 0 1,11 0 70 30 1,total 8 49 42 90614 102367
My asumption is that the interrupts and context switching increases during intensive I/O and this affects to system CPU. But the array is far from its maximum theorical capacity and I don't think the CPU should be affected.
Regards.
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File comment: srstatvlun
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