Hello,
As I am trying some configurations for storage solution. I found out
that, the last block device (normally, by alphabet) in striped LV or
soft RAID 0 will have longer await. Especially in high concurrency IO.
The same time, its avgrq-sz is more than others, but rrqm/s, wrqm/s, r/s
and w/s are almost the same.
I do not know much inside of lvm or soft raid. So I wonder if this
problem is reasonable.
Thanks.
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