Is everything ok with %wa on the server?

Question

linux

Hello.
When executing the command

sync; dd if=/dev/zero of=tempfile bs=1M count=1024; sync

top command shows this:
top - 23:18:52 up 9 min, 2 users, load average: 4.05, 3.27, 1.66
Tasks: 86 total, 1 running, 85 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.2 us, 0.8 sy, 0.0 ni, 26.3 id, 72.6 wa, 0.0 hi, 0.2 si,
0.0
st
I wanted to ask if everything is normal with %wa or is there something wrong with the disk?

Answer 1

https://habrahabr.ru/post/71020/

Answer 2

Well, you create a wild load on the disk and see that the disk has grown, this is logical.
You already need to judge either by smarts if you care about health, by disk tests if speed, and not by you