Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
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 at 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 at 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 at 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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