• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 560
  • Last Modified:

Linux I/O analyze - part 2

Hi,

Could you please help me with an analyze of the following iostat values?
Are they OK or not?

Thank you!


Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.02    24.15  0.09  8.76     5.27   263.38    30.36     0.02    2.40   3.06   2.71
sda               0.13    11.62  0.23  3.09    48.46   117.73    49.97     0.02    6.35   0.41   0.14
dm-0              0.00     0.00  0.36 14.72    48.46   117.73    11.02     0.08    5.62   0.09   0.14

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00     7.80  0.00  1.60     0.00    75.20    47.00     0.01    8.50   6.75   1.08
sda               0.00    16.00  0.00  7.20     0.00   185.60    25.78     0.03    4.69   0.28   0.20
dm-0              0.00     0.00  0.00 23.20     0.00   185.60     8.00     0.09    3.95   0.09   0.20

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    10.80  0.00  3.20     0.00   112.00    35.00     0.03    7.88   5.44   1.74
sda               0.00    38.60  0.00 12.60     0.00   409.60    32.51     0.05    4.03   0.22   0.28
dm-0              0.00     0.00  0.00 51.20     0.00   409.60     8.00     0.22    4.32   0.05   0.28

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00     7.00  0.00  1.80     0.00    70.40    39.11     0.02   11.44   6.33   1.14
sda               0.00    11.00  0.00  6.20     0.00   137.60    22.19     0.03    4.29   0.26   0.16
dm-0              0.00     0.00  0.00 17.20     0.00   137.60     8.00     0.05    3.00   0.09   0.16

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    27.00  0.00 11.80     0.00   310.40    26.31     0.11    9.56   5.42   6.40
sda               0.00    38.60  0.00  8.60     0.00   377.60    43.91     0.05    6.07   0.30   0.26
dm-0              0.00     0.00  0.00 47.20     0.00   377.60     8.00     0.32    6.83   0.06   0.26

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    13.40  0.00 23.80     0.00   297.60    12.50     1.32   55.39   3.58   8.52
sda               0.00    33.20  0.00  8.20     0.00   331.20    40.39     0.04    4.32   0.22   0.18
dm-0              0.00     0.00  0.00 41.40     0.00   331.20     8.00     0.21    5.02   0.04   0.18

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    23.00  0.00 15.20     0.00   305.60    20.11     0.22   14.67   4.92   7.48
sda               0.00    35.40  0.00 11.60     0.00   376.00    32.41     0.06    4.95   0.26   0.30
dm-0              0.00     0.00  0.00 47.00     0.00   376.00     8.00     0.30    6.37   0.06   0.30

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    95.40  0.00 22.40     0.00   942.40    42.07     0.45   19.88   3.03   6.78
sda               0.00    35.00  0.00  8.40     0.00   347.20    41.33     0.05    6.10   0.31   0.26
dm-0              0.00     0.00  0.00 43.40     0.00   347.20     8.00     0.28    6.41   0.06   0.26

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    20.76  0.00  4.39     0.00   201.20    45.82     0.06   13.09   4.68   2.06
sda               0.00    53.49  0.00 12.77     0.00   530.14    41.50     0.05    4.08   0.22   0.28
dm-0              0.00     0.00  0.00 66.27     0.00   530.14     8.00     0.28    4.22   0.04   0.28

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00     8.80  0.00  1.20     0.00    80.00    66.67     0.01    8.67   8.67   1.04
sda               0.00    15.60  0.00  7.40     0.00   184.00    24.86     0.03    3.38   0.27   0.20
dm-0              0.00     0.00  0.00 23.00     0.00   184.00     8.00     0.06    2.77   0.09   0.20

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    25.60  0.00 10.40     0.00   288.00    27.69     0.13   12.52   3.75   3.90
sda               0.00    38.40  0.00  8.40     0.00   374.40    44.57     0.04    4.81   0.24   0.20
dm-0              0.00     0.00  0.00 46.80     0.00   374.40     8.00     0.23    4.94   0.04   0.20

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00     8.40  0.00  7.20     0.00   124.80    17.33     0.05    7.25   6.75   4.86
sda               0.00    43.60  0.00  8.40     0.00   416.00    49.52     0.05    6.07   0.31   0.26
dm-0              0.00     0.00  0.00 52.00     0.00   416.00     8.00     0.32    6.15   0.05   0.26

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    12.00  0.00 24.60     0.00   292.80    11.90     1.51   61.34   3.79   9.32
sda               0.00    36.20  0.00  8.40     0.00   356.80    42.48     0.05    5.57   0.31   0.26
dm-0              0.00     0.00  0.00 44.60     0.00   356.80     8.00     0.30    6.68   0.06   0.26

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    61.80  0.00 20.40     0.00   657.60    32.24     0.34   16.58   4.38   8.94
sda               0.00    29.60  0.00 12.60     0.00   337.60    26.79     0.07    5.46   0.27   0.34
dm-0              0.00     0.00  0.00 42.20     0.00   337.60     8.00     0.26    6.12   0.08   0.34

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    39.00  0.00  8.20     0.00   377.60    46.05     0.15   18.29   3.20   2.62
sda               0.00    36.80  0.00  8.00     0.00   358.40    44.80     0.04    4.40   0.30   0.24
dm-0              0.00     0.00  0.00 44.80     0.00   358.40     8.00     0.22    4.84   0.05   0.24

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    29.80  0.00  6.40     0.00   289.60    45.25     0.12   18.81   4.00   2.56
sda               0.00    51.40  0.00 13.00     0.00   515.20    39.63     0.07    5.48   0.29   0.38
dm-0              0.00     0.00  0.00 64.40     0.00   515.20     8.00     0.42    6.56   0.06   0.38

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    13.60  0.00  3.00     0.00   132.80    44.27     0.03   10.67   5.27   1.58
sda               0.00    21.20  0.00  7.40     0.00   228.80    30.92     0.03    3.95   0.35   0.26
dm-0              0.00     0.00  0.00 28.60     0.00   228.80     8.00     0.12    4.10   0.09   0.26

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    18.76  0.00  9.58     0.00   226.75    23.67     0.09    8.94   5.29   5.07
sda               0.00    47.50  0.00 13.17     0.00   485.43    36.85     0.05    4.00   0.21   0.28
dm-0              0.00     0.00  0.00 60.68     0.00   485.43     8.00     0.27    4.45   0.05   0.28

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    11.20  0.00  9.00     0.00   161.60    17.96     0.09    9.56   6.13   5.52
sda               0.00    15.60  0.00  7.00     0.00   180.80    25.83     0.04    6.00   0.31   0.22
dm-0              0.00     0.00  0.00 22.60     0.00   180.80     8.00     0.11    5.05   0.10   0.22

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    15.40  0.00 22.00     0.00   299.20    13.60     0.77   35.07   4.39   9.66
sda               0.00    38.60  0.00  8.40     0.00   376.00    44.76     0.05    6.10   0.29   0.24
dm-0              0.00     0.00  0.00 47.00     0.00   376.00     8.00     0.32    6.84   0.05   0.24

Device:         rrqm/s   wrqm/s   r/s   w/s   rsec/s   wsec/s avgrq-sz avgqu-sz   await  svctm  %util
cciss/c0d0        0.00    80.60  0.00 21.20     0.00   814.40    38.42     0.51   24.27   3.48   7.38
sda               0.00    28.00  0.00  8.40     0.00   291.20    34.67     0.04    4.31   0.26   0.22
dm-0              0.00     0.00  0.00 36.40     0.00   291.20     8.00     0.17    4.55   0.06   0.22

Open in new window

0
g0all
Asked:
g0all
1 Solution
 
Chris SandriniSenior System EngineerCommented:
Here the same thing. What exactly do you need to analyse? The number also very depends on what you are looking for. Write speed? Then you would need to tell what disks are attached.

Is your system idling?
High runqueues?

Please provide more detailed information.
0
 
g0allAuthor Commented:
I will return additional information.
0

Featured Post

Never miss a deadline with monday.com

The revolutionary project management tool is here!   Plan visually with a single glance and make sure your projects get done.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now