<div>â€â€â€â€â€â€â€ Original Message â€â€â€â€â€â€â€<br></div><div> On Thursday, November 5, 2020 3:28 PM, Yaniv Kaul <ykaul@redhat.com> wrote:<br></div><div> <br></div><blockquote class="protonmail_quote" type="cite"><div dir="ltr"><div class="gmail_quote"><div style="font-family:arial,helvetica,sans-serif">Waiting for IO, just like the rest of those in D state. <br></div><div style="font-family:arial,helvetica,sans-serif">You may have a slow storage subsystem. How many cores do you have, btw?<br></div><div style="font-family:arial,helvetica,sans-serif">Y.<br></div></div></div></blockquote><div><br></div><div>Strange because "iostat -xtcm 5" does not show that the disks are 100% used, I've pasted below a sample output of "iostat -xtcm".<br></div><div><br></div><div>Both nodes have 1 CPU Intel Xeon E5-2620 v3 @ 2.40GHz which as 12 cores.<br></div><div><br></div><div>11/05/2020 03:37:25 PM<br></div><div>avg-cpu: %user %nice %system %iowait %steal %idle<br></div><div> 0.93 0.00 84.81 0.03 0.00 14.22<br></div><div><br></div><div>Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util<br></div><div>sda 0.00 0.00 0.60 23.80 0.00 0.20 17.31 0.03 1.31 45.33 0.20 1.25 3.04<br></div><div>sdc 0.00 0.00 0.60 24.80 0.00 0.24 19.15 0.03 1.04 40.00 0.10 1.01 2.56<br></div><div>sdg 0.00 0.00 0.60 23.00 0.00 0.22 19.05 0.03 1.39 45.33 0.24 1.25 2.96<br></div><div>sdf 0.00 0.00 0.60 25.00 0.00 0.23 18.25 0.03 1.16 41.33 0.19 1.06 2.72<br></div><div>sdd 0.00 0.00 0.60 24.60 0.00 0.19 15.43 0.02 0.86 32.00 0.10 0.83 2.08<br></div><div>sdh 0.00 0.00 0.40 25.00 0.00 0.22 17.64 0.03 1.10 58.00 0.19 1.01 2.56<br></div><div>sdi 0.00 0.00 0.40 25.80 0.00 0.23 17.71 0.03 1.01 60.00 0.09 0.98 2.56<br></div><div>sdj 0.00 0.00 0.60 24.00 0.00 0.19 15.67 0.02 0.91 32.00 0.13 0.85 2.08<br></div><div>sde 0.00 0.00 0.60 26.60 0.00 0.20 15.12 0.03 1.00 36.00 0.21 0.91 2.48<br></div><div>sdk 0.00 0.00 0.60 25.20 0.00 0.20 16.12 0.02 0.78 29.33 0.10 0.74 1.92<br></div><div>sdl 0.00 0.00 0.60 25.00 0.00 0.22 17.56 0.02 0.94 37.33 0.06 0.94 2.40<br></div><div>sdb 0.00 0.00 0.60 15.40 0.00 0.21 27.80 0.03 2.15 42.67 0.57 1.95 3.12<br></div><div><br></div>