DAQ running to disk at relatively low rate (merger ~600k item/s, tapeserver ~4700kb/s)
Do these disk statistics look OK
aidas1> iostat -x
Linux 2.6.32-504.8.1.el6.x86_64 (aidas1) 06/08/2016 _x86_64_ (16 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
19.56 3.00 1.15 0.74 0.00 75.55
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util
sda 0.04 0.00 0.01 0.00 0.11 0.00 8.53 0.00 1.37 0.96 0.00
sdc 0.01 0.00 0.01 1.58 0.05 0.00 0.03 0.00 0.38 0.31 0.05
sdg 0.02 0.00 0.18 1.58 42.62 0.01 24.21 0.00 0.59 0.41 0.07
sdf 0.05 507.94 2.16 7.81 516.00 4113.00 464.34 0.69 69.54 4.77 4.76
sdd 0.19 3.95 0.05 0.10 1.36 32.36 225.17 0.00 6.63 3.57 0.05
sdb 1.40 38.38 2.17 3.35 185.34 332.20 93.75 0.14 26.19 2.60 1.44
sde 0.01 4.25 3.54 4.94 64.06 60.96 14.74 0.30 35.48 3.90 3.30
dm-0 0.00 0.00 3.56 41.53 185.07 332.20 11.47 12.54 278.00 0.32 1.44
dm-1 0.00 0.00 0.01 0.00 0.05 0.00 8.00 0.00 3.24 1.03 0.00
dm-2 0.00 0.00 0.15 4.05 1.23 32.36 8.00 0.05 11.49 0.12 0.05
dm-3 0.00 0.00 0.00 0.00 0.02 0.00 8.00 0.00 1.05 1.05 0.00
dm-4 0.00 0.00 5.92 522.90 622.57 4174.35 9.07 59.55 112.60 0.15 7.94
dm-5 0.00 0.00 0.01 0.00 0.07 0.00 7.95 0.00 3.11 0.69 0.00
aidas1> iostat
Linux 2.6.32-504.8.1.el6.x86_64 (aidas1) 06/08/2016 _x86_64_ (16 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
19.55 3.00 1.15 0.74 0.00 75.57
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 0.01 0.11 0.00 5682 0
sdc 1.58 0.05 0.00 2312 112
sdg 1.76 42.56 0.01 2170822 648
sdf 9.98 519.68 4114.55 26505990 209861264
sdd 0.15 1.38 32.32 70150 1648496
sdb 5.52 185.27 331.95 9449724 16931146
sde 8.47 63.97 60.90 3263022 3106264
dm-0 45.06 185.01 331.95 9436314 16931104
dm-1 0.01 0.05 0.00 2696 0
dm-2 4.20 1.24 32.32 63432 1648496
dm-3 0.00 0.02 0.00 864 0
dm-4 528.96 626.10 4175.46 31934274 212968288
dm-5 0.01 0.07 0.00 3778 24 |