Hi Experts,
Is there a possible way to monitor CPU Util for the drbd resource. Actually am
getting cent percent utilization even i dont have much load.
Am maintaining my setup with three blocks one for Data, other for
configurations and the other for logs which was logically mounted.
[root@pcpha-dev-01 ~]# iostat -x 5 | grep drbd
drbd0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
858980.47 0.00 0.00 99.94
drbd1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
101.94 0.00 0.00 99.94
drbd2 0.00 0.00 0.00 0.80 0.00 3.20 4.00
858935.49 0.25 1249.25 99.94
drbd0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
858980.46 0.00 0.00 100.00
drbd1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
102.00 0.00 0.00 100.00
drbd2 0.00 0.00 0.00 2.80 0.00 19.20 6.86
858935.46 0.07 357.14 100.00
[xxxx@xxxx]# iostat -x -d
Linux 2.6.32-431.el6.x86_64 (xxxx) 10/31/2016 _x86_64_ (4 CPU)
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz
avgqu-sz await svctm %util
sda 0.00 0.86 0.01 1.67 10.96 20.22
18.50 0.00 0.73 0.41 0.07
dm-0 0.00 0.00 0.00 0.02 0.05 0.12
9.97 0.00 9.66 1.99 0.00
dm-1 0.00 0.00 0.00 0.00 0.00 0.00
8.00 0.00 2.14 0.82 0.00
dm-2 0.00 0.00 0.00 0.02 0.02 0.12
9.22 0.00 1.97 0.01 0.00
dm-3 0.00 0.00 0.00 0.78 0.00 6.23
8.00 0.00 0.48 0.21 0.02
dm-4 0.00 0.00 0.00 0.00 0.00 0.00
7.99 0.00 3.30 2.89 0.00
dm-5 0.00 0.00 0.00 0.48 0.01 3.85
8.01 0.00 0.64 0.22 0.01
dm-6 0.00 0.00 0.00 0.01 0.00 0.04
8.00 0.00 24.47 0.02 0.00
dm-7 0.00 0.00 0.01 0.03 6.50 0.21
205.25 0.00 37.54 1.13 0.00
dm-8 0.00 0.00 0.00 0.02 2.21 0.15
109.64 0.00 9.22 0.89 0.00
dm-9 0.00 0.00 0.00 1.19 2.17 9.50
9.81 0.00 0.65 0.31 0.04
drbd0 0.00 0.00 0.00 0.01 0.00 0.08
8.00 0.20 421.71 10481.54 10.45
drbd1 0.00 0.00 0.00 0.01 0.00 0.07
7.95 0.06 76.94 12030.16 10.49
drbd2 0.00 0.00 0.00 0.56 0.00 3.26
5.85 0.15 0.61 176.92 9.87
[xxxx@xxxx]# iostat -x 5 /dev/vg1/lvdblog
Linux 2.6.32-431.el6.x86_64 (xxxx) 10/31/2016 _x86_64_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
2.21 0.00 0.75 0.00 0.00 97.04
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz
avgqu-sz await svctm %util
dm-9 0.00 0.00 0.00 1.60 0.00 12.80 8.00
0.00 1.00 0.62 0.10
Regards,
Madhan.
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