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From: "Torsten Kaiser" <just.for.lkml@googlemail.com>
To: "Fengguang Wu" <wfg@mail.ustc.edu.cn>
Cc: "Peter Zijlstra" <peterz@infradead.org>,
	"Maxim Levitsky" <maximlevitsky@gmail.com>,
	linux-kernel@vger.kernel.org,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"David Chinner" <dgc@sgi.com>,
	linux-fsdevel@vger.kernel.org
Subject: Re: writeout stalls in current -git
Date: Tue, 6 Nov 2007 22:53:25 +0100	[thread overview]
Message-ID: <64bb37e0711061353g4a8b881cgd78fef3a11378b9c@mail.gmail.com> (raw)
In-Reply-To: <394340668.31055@ustc.edu.cn>

On 11/6/07, Fengguang Wu <wfg@mail.ustc.edu.cn> wrote:
> ------------------------------------------------------
> Subject: writeback: remove pages_skipped accounting in __block_write_full_page()
> From: Fengguang Wu <wfg@mail.ustc.edu.cn>
>
> Miklos Szeredi <miklos@szeredi.hu> and me identified a writeback bug:
[sni]
>  fs/buffer.c                 |    1 -
>  fs/xfs/linux-2.6/xfs_aops.c |    5 ++---
>  2 files changed, 2 insertions(+), 4 deletions(-)

I have now testet v2.6.24-rc1-748-g2655e2c with above patch reverted.
This does still stall.

On 11/6/07, David Chinner <dgc@sgi.com> wrote:
> Rather than vmstat, can you use something like iostat to show how busy your
> disks are?  i.e. are we seeing RMW cycles in the raid5 or some such issue.

Both "vmstat 10" and "iostat -x 10" output from this test:
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 2  0      0 3700592      0  85424    0    0    31    83  108  244  2  1 95  1
-> emerge reads something, don't knwo for sure what...
 1  0      0 3665352      0  87940    0    0   239     2  343  585  2  1 97  0
 0  0      0 3657728      0  91228    0    0   322    35  445  833  0  0 99  0
 1  0      0 3653136      0  94692    0    0   330    33  455  844  1  1 98  0
 0  0      0 3646836      0  97720    0    0   289     3  422  751  1  1 98  0
 0  0      0 3616468      0  99692    0    0   185    33  399  614  9  3 87  1
-> starts to remove the kernel tree
 0  0      0 3610452      0 102592    0    0   138  3598 1398 3945  3  6 90  1
 0  0      0 3607136      0 104548    0    0     2  5962 1919 6070  4  9 87  0
 0  0      0 3606636      0 105080    0    0     0  1539  810 2200  1  2 97  0
-> first stall 28 sec.
 0  0      0 3606592      0 105292    0    0     0   698  679 1390  0  1 99  0
 0  0      0 3606440      0 105532    0    0     0   658  690 1457  0  0 99  0
 0  0      0 3606068      0 106128    0    0     1  1780  947 1982  1  3 96  0
-> second stall 24 sec.
 0  0      0 3606036      0 106464    0    0     4   858  758 1457  0  1 98  0
 0  0      0 3605380      0 106872    0    0     0  1173  807 1880  1  2 97  0
 0  0      0 3605000      0 107748    0    0     1  2413 1103 2996  2  4 94  0
-> third stall 38 sec.
 0  0      0 3604488      0 108472    0    0    45   897  748 1577  0  1 98  0
 0  0      0 3604176      0 108764    0    0     0   824  752 1700  0  1 98  0
 0  0      0 3604012      0 108988    0    0     0   660  643 1237  0  1 99  0
 0  0      0 3608936      0 110120    0    0     1  3490 1232 3455  3  5 91  0
-> fourth stall 64 sec.
 1  0      0 3609060      0 110296    0    0     0   568  669 1222  0  1 99  0
 0  0      0 3609464      0 110496    0    0     0   604  638 1366  0  1 99  0
 0  0      0 3609244      0 110740    0    0     0   844  714 1282  0  1 99  0
 0  0      0 3609508      0 110912    0    0     0   552  584 1185  1  1 99  0
 2  0      0 3609436      0 111132    0    0     0   658  643 1442  0  1 99  0
 0  0      0 3609212      0 111348    0    0     0   714  637 1382  0  0 99  0
 0  0      0 3619132      0 110492    0    0   130  1086  736 1870  4  3 91  2
 0  0      0 3657016      0 115496    0    0   466   589  718 1367  1  1 98  0
-> emerge finishs, dirty data was the hole time <1Mb, stays now below 300kb
(btrace running...)
 0  0      0 3657844      0 115660    0    0     0   564  635 1226  1  1 99  0
 0  0      0 3658236      0 115840    0    0     0   582  600 1248  1  0 99  0
 0  0      0 3658296      0 116012    0    0     0   566  606 1232  1  1 99  0
 0  0      0 3657924      0 116212    0    0     0   688  596 1321  1  0 99  0
 0  0      0 3658252      0 116416    0    0     0   631  642 1356  1  0 98  0
 0  0      0 3658184      0 116592    0    0     0   566  575 1273  0  0 99  0
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 2  0      0 3658344      0 116772    0    0     0   649  606 1301  0  0 99  0
 0  0      0 3658548      0 116976    0    0     0   617  624 1345  0  0 99  0
 0  0      0 3659204      0 117160    0    0     0   550  576 1223  1  1 99  0
 0  0      0 3659944      0 117344    0    0     0   620  583 1272  0  0 99  0
 0  0      0 3660548      0 117540    0    0     0   605  611 1338  0  0 99  0
 0  0      0 3661236      0 117732    0    0     0   582  569 1275  0  0 99  0
 0  0      0 3662420      0 117888    0    0     0   590  571 1157  0  0 99  0
 0  0      0 3664324      0 118068    0    0     0   566  553 1222  1  1 99  0
 0  0      0 3665240      0 118168    0    0     0   401  574  862  0  0 99  0
 0  0      0 3666984      0 118280    0    0     0   454  574  958  1  1 99  0
 0  0      0 3668664      0 118400    0    0     0   396  559  946  0  0 99  0
 0  0      0 3670628      0 118496    0    0     0   296  495  784  0  0 99  0
 0  0      0 3671316      0 118496    0    0     0    36  334  307  0  0 99  0
-> disks go idle

I also saved the btrace output, but that is even with bzip2 ~1.6Mb.

Summary from btrace
Total (253,0):
 Reads Queued:       5,385,   21,540KiB  Writes Queued:      91,076,  362,640KiB
 Read Dispatches:        0,        0KiB  Write Dispatches:        0,        0KiB
 Reads Requeued:         0               Writes Requeued:         0
 Reads Completed:    5,385,   21,540KiB  Writes Completed:   91,076,  362,640KiB
 Read Merges:            0,        0KiB  Write Merges:            0,        0KiB
 IO unplugs:         8,883               Timer unplugs:           0

Throughput (R/W): 38KiB/s / 654KiB/s
Events (253,0): 201,805 entries
Skips: 0 forward (0 -   0.0%)

The last 20% of the btrace look more or less completely like this, no
other programs do any IO...

253,0    3   104626   526.293450729   974  C  WS 79344288 + 8 [0]
253,0    3   104627   526.293455078   974  C  WS 79344296 + 8 [0]
253,0    1    36469   444.513863133  1068  Q  WS 154998480 + 8 [xfssyncd]
253,0    1    36470   444.513863135  1068  Q  WS 154998488 + 8 [xfssyncd]
253,0    1    36471   444.523967430  1068  Q  WS 117078784 + 8 [xfssyncd]
253,0    1    36472   444.523970097  1068  Q  WS 117078792 + 8 [xfssyncd]
253,0    1    36473   444.548753821  1068  Q  WS 117078784 + 8 [xfssyncd]
253,0    1    36474   444.548756324  1068  Q  WS 117078792 + 8 [xfssyncd]
253,0    1    36475   444.553960214  1068  Q  WS 195314144 + 8 [xfssyncd]
253,0    1    36476   444.553962765  1068  Q  WS 195314152 + 8 [xfssyncd]
253,0    3   104628   526.310490373   974  C  WS 154998480 + 8 [0]
253,0    3   104629   526.310490374   974  C  WS 154998488 + 8 [0]
253,0    3   104630   526.310490386   974  C  WS 154998480 + 8 [0]
253,0    3   104631   526.310490387   974  C  WS 154998488 + 8 [0]
253,0    3   104632   526.310565814   974  C  WS 117078784 + 8 [0]
253,0    3   104633   526.310570195   974  C  WS 117078792 + 8 [0]
253,0    3   104634   526.313450024   974  C  WS 117078784 + 8 [0]
253,0    3   104635   526.313454317   974  C  WS 117078792 + 8 [0]
253,0    1    36477   444.583070774  1068  Q  WS 195314144 + 8 [xfssyncd]
253,0    1    36478   444.583075517  1068  Q  WS 195314152 + 8 [xfssyncd]
253,0    1    36479   444.583954077  1068  Q  WS 233141680 + 8 [xfssyncd]
253,0    1    36480   444.583956804  1068  Q  WS 233141688 + 8 [xfssyncd]
253,0    1    36481   444.619241615  1068  Q  WS 233165296 + 8 [xfssyncd]
253,0    1    36482   444.619247992  1068  Q  WS 233165304 + 8 [xfssyncd]
253,0    3   104636   526.320490406   974  C  WS 195314144 + 8 [0]
253,0    3   104637   526.320490407   974  C  WS 195314152 + 8 [0]
253,0    3   104638   526.320490419   974  C  WS 195314144 + 8 [0]
253,0    3   104639   526.320490420   974  C  WS 195314152 + 8 [0]
253,0    3   104640   526.348720498   974  C  WS 233141680 + 8 [0]
253,0    3   104641   526.348724614   974  C  WS 233141688 + 8 [0]
253,0    1    36483   444.643863141  1068  Q  WS 272297440 + 8 [xfssyncd]
253,0    1    36484   444.643863143  1068  Q  WS 272297448 + 8 [xfssyncd]
253,0    1    36485   444.675408559  1068  Q  WS 272297440 + 8 [xfssyncd]
253,0    1    36486   444.675412236  1068  Q  WS 272297448 + 8 [xfssyncd]

iostat -x 10 output follows, each line from the above vmstat should
correspond to one iostat output

Linux 2.6.24-rc1 (treogen) 	11/06/07

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           2.27    0.00    1.13    1.41    0.00   95.18

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              14.46    34.81    7.63   15.11   176.60   418.68
26.17     0.53   23.07   5.59  12.71
sdb              14.54    34.60    7.51   14.91   176.01   415.36
26.38     0.43   19.29   5.00  11.20
sdc              14.62    34.50    7.55   15.29   177.12   417.73
26.04     0.47   20.42   5.31  12.12
md1               0.00     0.00   31.99   80.06   254.70   636.20
7.95     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.04     0.00
8.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   31.88   80.06   254.53   636.20
7.96    24.99  223.19   2.56  28.68
sdd               0.46     0.00    0.10    0.00     0.88     0.00
8.99     0.00    5.25   1.91   0.02

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.85    0.00    0.55    0.19    0.00   97.41

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              16.80     0.00    4.00    0.80   166.40    11.20
37.00     0.07   13.96  12.29   5.90
sdb              19.40     0.00    4.50    0.70   191.20    10.40
38.77     0.07   13.27  10.77   5.60
sdc              18.20     0.10    6.50    1.30   197.60    14.50
27.19     0.11   13.85  11.41   8.90
md1               0.00     0.00   69.50    0.20   556.00     0.50
7.98     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   69.50    0.20   556.00     0.50
7.98     0.67    9.53   2.38  16.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.45    0.00    0.47    0.05    0.00   99.03

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               6.70     0.10   21.90    1.10   228.80    15.20
10.61     0.43   18.70  16.70  38.40
sdb               6.00     0.10   19.30    1.00   201.60    14.40
10.64     0.33   16.40  15.22  30.90
sdc               5.70     0.20   21.50    1.50   217.60    49.30
11.60     0.40   17.22  15.13  34.80
md1               0.00     0.00   81.10    0.70   648.80     5.60
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   81.10    0.70   648.80     5.60
8.00     1.61   19.73  12.11  99.10
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.94    0.00    0.79    0.02    0.00   98.24

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               4.70     0.00   21.10    1.50   206.40    22.40
10.12     0.40   17.65  16.11  36.40
sdb               6.20     0.10   20.80    1.50   216.00    23.20
10.73     0.35   15.70  13.50  30.10
sdc               5.50     0.10   23.60    2.40   232.80    57.00
11.15     0.46   17.65  14.96  38.90
md1               0.00     0.00   81.80    0.40   654.40     2.50
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   81.80    0.40   654.40     2.50
7.99     1.55   18.84  11.98  98.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.63    0.00    1.09    0.00    0.00   97.28

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               5.30     0.00   16.60    0.20   175.20     3.20
10.62     0.34   20.30  18.93  31.80
sdb               6.50     0.00   19.00    0.20   204.80     3.20
10.83     0.35   18.39  17.29  33.20
sdc               5.60     0.00   17.50    0.30   184.80     4.00
10.61     0.34   19.33  18.48  32.90
md1               0.00     0.00   70.50    0.00   564.00     0.00
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   70.50    0.00   564.00     0.00
8.00     1.43   20.30  13.49  95.10
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           9.38    0.00    3.45    1.55    0.00   85.62

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               9.30     1.60   15.50    2.20   198.40    40.00
13.47     0.27   15.08  12.71  22.50
sdb               8.40     3.50   12.00    1.80   163.20    52.00
15.59     0.19   13.62  12.54  17.30
sdc               8.30     4.10   13.70    2.90   176.00   118.90
17.77     0.24   14.58  11.93  19.80
md1               0.00     0.00   61.00    5.50   488.00    42.30
7.97     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   61.00    5.50   488.00    42.30
7.97     1.19   17.80   8.00  53.20
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           3.26    0.00    8.36    0.07    0.00   88.30

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda             207.00   584.40  181.70   79.40  3109.60  5391.20
32.56     2.28    8.74   2.42  63.10
sdb             209.60   584.30  184.20   77.50  3150.40  5373.60
32.57     2.02    7.74   1.93  50.50
sdc             195.20   589.40  198.20   80.10  3147.20  5760.80
32.01     2.37    8.51   2.33  64.80
md1               0.00     0.00   12.00 1182.20    96.00  9456.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   12.00 1182.80    96.00  9461.00
8.00    61.79   51.70   0.83  99.20
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           3.24    0.00    6.90    0.02    0.00   89.84

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda             203.60   541.60  163.40   84.60  2936.80  5101.60
32.41     5.66   22.74   3.05  75.70
sdb             201.10   533.20  165.90   83.50  2936.80  5028.00
31.94     5.23   20.77   2.61  65.20
sdc             201.00   540.30  164.50   89.50  2924.00  5346.30
32.56     5.77   22.71   3.00  76.30
md1               0.00     0.00    0.50 1115.30     4.00  8877.30
7.96     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.50 1114.70     4.00  8872.50
7.96    93.14   81.84   0.89  99.80
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.16    0.00    2.32    0.00    0.00   96.52

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              56.60   154.10   32.90   54.90   716.00  1726.40
27.82     0.45    5.26   2.79  24.50
sdb              57.80   161.00   35.60   57.10   747.20  1801.60
27.50     0.48    5.65   2.80  26.00
sdc              58.00   162.30   32.00   56.70   720.00  1808.10
28.50     0.44    4.88   2.82  25.00
md1               0.00     0.00    0.00  355.90     0.00  2842.30
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  355.90     0.00  2842.30
7.99     9.02   30.64   2.71  96.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.31    0.00    0.52    0.00    0.00   99.17

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.70    45.00    6.10   71.40    54.40   974.40
13.27     3.15   40.67   3.50  27.10
sdb               1.90    20.90    7.50   46.70    75.20   584.00
12.16     1.64   30.18   3.69  20.00
sdc               1.80    35.50    6.80   62.40    68.80  1055.20
16.24     1.82   26.30   3.16  21.90
md1               0.00     0.00    0.00  135.20     0.00  1038.20
7.68     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  135.20     0.00  1038.20
7.68    14.41  106.61   7.32  99.00
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.50    0.00    0.36    0.00    0.00   99.14

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               2.10    48.90    3.10   64.00    41.60   952.00
14.81     0.64    9.60   2.91  19.50
sdb               2.60    26.20    3.90   40.80    52.00   584.80
14.25     0.52   11.59   3.31  14.80
sdc               2.20    55.60    3.40   72.90    44.00  1076.90
14.69     0.67    8.73   2.44  18.60
md1               0.00     0.00    0.00  144.80     0.00  1158.40
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  144.80     0.00  1158.40
8.00     5.74   39.59   6.88  99.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.46    0.00    3.01    0.00    0.00   95.53

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              61.10   183.80   39.10   84.70   801.60  2204.80
24.28     0.82    6.62   2.05  25.40
sdb              57.80   180.00   42.70   77.70   804.00  2113.60
24.23     0.92    7.66   1.87  22.50
sdc              57.40   182.70   41.60   85.80   792.80  2200.10
23.49     1.11    8.74   2.06  26.20
md1               0.00     0.00    1.20  438.50     9.60  3507.10
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    1.20  438.50     9.60  3507.10
8.00    15.63   35.55   2.26  99.40
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.43    0.00    1.07    0.21    0.00   98.29

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.90    22.00    7.50   42.20    75.20   557.60
12.73     2.54   51.07   4.47  22.20
sdb               1.10    58.70    6.50   82.00    60.80  1169.60
13.90     2.69   30.36   2.49  22.00
sdc               0.90    59.50    6.90   83.50    62.40  1409.60
16.28     3.13   34.67   2.78  25.10
md1               0.00     0.00    0.10  168.70     0.80  1305.80
7.74     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.10  168.70     0.80  1305.80
7.74    15.74   93.27   5.90  99.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.79    0.00    3.94    0.00    0.00   94.27

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              80.40   200.50   43.10   64.10   976.00  2158.40
29.24     0.39    3.64   1.73  18.50
sdb              77.30   232.60   44.80   93.80   968.80  2655.20
26.15     0.34    2.47   1.17  16.20
sdc              67.00   244.30   52.60  103.50   944.80  2826.50
24.16     0.39    2.45   1.13  17.60
md1               0.00     0.00    0.20  532.90     1.60  4260.50
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.20  533.70     1.60  4266.90
7.99    11.08   20.71   1.87  99.90
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.04    0.00    1.40    0.00    0.00   97.55

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              40.80   138.90   18.70   77.50   488.00  1768.00
23.45     0.46    4.76   1.57  15.10
sdb              41.30   115.90   19.80   58.80   496.80  1436.00
24.59     0.83   10.61   2.09  16.40
sdc              35.20   149.50   25.90   89.40   500.80  1952.10
21.27     1.01    8.77   1.59  18.30
md1               0.00     0.00    0.10  335.50     0.80  2681.70
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.10  334.70     0.80  2675.30
7.99     9.89   29.61   2.94  98.30
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.44    0.00    1.08    0.49    0.00   97.99

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               4.50    37.20    9.60   63.60   112.80   853.60
13.20     1.83   25.01   2.90  21.20
sdb               3.80    58.90    9.90   82.40   109.60  1177.60
13.95     1.68   18.15   2.36  21.80
sdc               3.90    49.30    9.20   72.70   104.80  1327.20
17.48     2.09   25.53   2.94  24.10
md1               0.00     0.00   11.20  176.20    89.60  1362.00
7.75     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   11.20  176.20    89.60  1362.00
7.75    10.78   57.52   5.34 100.00
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.37    0.00    1.26    0.00    0.00   98.37

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.70    48.70    2.10   69.40    30.40   983.20
14.18     0.22    3.02   1.48  10.60
sdb               2.40    55.90    2.80   76.20    41.60  1095.20
14.39     0.24    3.05   1.28  10.10
sdc               1.20    57.50    1.50   80.70    21.60  1143.50
14.17     0.23    2.76   1.24  10.20
md1               0.00     0.00    0.00  186.70     0.00  1493.60
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  186.70     0.00  1493.60
8.00     2.63   14.10   5.33  99.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.18    0.00    0.60    0.02    0.00   99.19

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               3.50    51.10    5.10   68.70    68.80  1005.60
14.56     1.82   24.61   4.32  31.90
sdb               4.10    46.00    6.50   62.50    84.80   915.20
14.49     1.29   18.68   3.74  25.80
sdc               4.90    32.40    7.00   47.70    95.20   688.90
14.33     1.31   23.97   4.26  23.30
md1               0.00     0.00    0.00  145.00     0.00  1160.00
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  145.00     0.00  1160.00
8.00    12.36   85.27   6.59  95.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           3.26    0.00    5.29    0.00    0.00   91.45

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda             136.10   375.40  101.70   75.40  1902.40  3672.00
31.48     0.57    3.24   1.87  33.20
sdb             150.60   372.90   88.50   77.50  1912.80  3664.80
33.60     0.57    3.43   1.90  31.60
sdc             141.30   388.80   95.20   88.40  1892.00  4198.40
33.17     0.69    3.76   1.98  36.40
md1               0.00     0.00    0.30  813.90     2.40  6509.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.30  813.90     2.40  6509.20
8.00    22.48   27.60   1.22  99.20
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.23    0.00    0.54    0.00    0.00   99.22

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.60    33.50    7.80   55.20    75.20   759.20
13.24     2.85   45.32   4.52  28.50
sdb               1.40    36.20    7.40   58.30    70.40   805.60
13.33     3.34   50.84   4.35  28.60
sdc               1.10    32.20    7.10   53.40    65.60   733.90
13.21     3.20   52.89   4.60  27.80
md1               0.00     0.00    0.00  128.60     0.00   984.00
7.65     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  128.60     0.00   984.00
7.65    19.93  154.97   7.60  97.80
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.42    0.00    0.56    0.00    0.00   99.02

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.10    54.10    1.30   61.60    19.20   967.20
15.68     0.29    4.55   2.81  17.70
sdb               2.30    26.40    2.40   34.90    37.60   532.00
15.27     0.27    7.10   4.29  16.00
sdc               0.90    50.00    1.00   59.20    15.20   914.50
15.44     0.27    4.47   2.59  15.60
md1               0.00     0.00    0.00  134.80     0.00  1078.40
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  134.80     0.00  1078.40
8.00     2.40   17.86   7.31  98.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.45    0.00    0.66    0.00    0.00   98.88

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               4.70    56.50    7.40   75.90    96.80  1116.00
14.56     1.67   20.07   4.23  35.20
sdb               4.20    42.70    6.80   62.70    88.00   900.00
14.22     1.30   18.75   3.68  25.60
sdc               5.20    52.90    8.10   71.50   106.40  1168.80
16.02     1.73   21.68   4.48  35.70
md1               0.00     0.00    0.00  170.20     0.00  1361.60
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  170.20     0.00  1361.60
8.00    17.84  104.81   5.80  98.80
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.47    0.00    0.66    0.00    0.00   98.87

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.30    48.20    1.30   53.80    20.00   856.80
15.91     0.28    5.08   3.36  18.50
sdb               1.60    45.40    1.60   51.50    25.60   816.00
15.85     0.28    5.24   3.15  16.70
sdc               1.60    41.80    1.70   47.60    26.40   755.70
15.86     0.28    5.58   3.39  16.70
md1               0.00     0.00    0.00  136.40     0.00  1091.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  136.40     0.00  1091.20
8.00     2.48   18.15   7.17  97.80
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.45    0.00    0.78    0.00    0.00   98.77

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.70    48.00    0.80   52.30    12.80   833.60
15.94     0.22    4.16   2.34  12.40
sdb               1.50    38.20    1.50   42.90    24.00   680.00
15.86     0.19    4.30   2.36  10.50
sdc               0.40    60.20    0.40   64.80     6.40  1030.50
15.90     0.29    4.51   2.55  16.60
md1               0.00     0.00    0.00  147.20     0.00  1177.60
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  147.20     0.00  1177.60
8.00     2.34   15.89   6.72  98.90
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.42    0.00    0.37    0.00    0.00   99.21

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.60    53.00    0.70   63.30    10.40   971.20
15.34     0.26    4.05   2.64  16.90
sdb               1.00    38.80    1.10   53.90    16.80   782.40
14.53     0.50    9.09   3.55  19.50
sdc               0.90    40.50    1.00   51.60    15.20   906.40
17.52     0.24    4.54   2.68  14.10
md1               0.00     0.00    0.00  142.60     0.00  1140.80
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  142.60     0.00  1140.80
8.00     2.33   16.33   6.90  98.40
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           4.39    0.00    3.08    1.74    0.00   90.79

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              42.10   103.40   17.80   63.40   478.40  1374.40
22.82     0.84   10.38   4.25  34.50
sdb              42.80    95.10   17.20   48.30   480.00  1189.60
25.49     0.45    6.90   3.97  26.00
sdc              45.90   100.60   18.60   57.50   516.00  1304.90
23.93     0.60    7.83   4.34  33.00
md1               0.00     0.00   47.60  252.40   380.80  2017.10
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00   47.60  252.40   380.80  2017.10
7.99     7.29   24.30   3.28  98.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.99    0.00    1.22    0.00    0.00   97.79

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda              15.50    34.60   28.70   56.50   354.40   780.80
13.32     5.49   60.46   6.27  53.40
sdb              14.70    32.80   28.50   53.80   345.60   745.60
13.26     3.42   41.51   5.55  45.70
sdc              14.00    23.00   27.00   44.30   328.00   590.50
12.88     3.54   49.71   6.80  48.50
md1               0.00     0.00  101.40  119.50   811.20   912.60
7.80     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00  101.40  119.50   811.20   912.60
7.80    22.75   32.05   4.51  99.70
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.70    0.00    0.68    0.00    0.00   98.62

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.50    35.50    2.20   44.10    29.60   682.40
15.38     0.29   13.59   3.82  17.70
sdb               1.50    42.50    2.10   51.90    28.80   799.20
15.33     0.29    5.39   3.20  17.30
sdc               1.60    36.90    1.90   47.70    28.00   908.80
18.89     0.29    5.87   3.55  17.60
md1               0.00     0.00    0.00  116.60     0.00   932.10
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  116.60     0.00   932.10
7.99     2.73  157.86   8.45  98.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.76    0.00    0.47    0.00    0.00   98.77

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.40    49.80    0.40   65.00     6.40   961.60
14.80     0.23    3.46   2.16  14.10
sdb               1.20    28.90    1.50   39.20    21.60   588.00
14.98     0.18    4.32   2.87  11.70
sdc               0.80    43.30    1.10   53.80    15.20   819.50
15.20     0.24    4.28   2.84  15.60
md1               0.00     0.00    0.00  131.80     0.00  1054.40
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  131.80     0.00  1054.40
8.00     2.00   15.14   7.48  98.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.70    0.00    0.75    0.00    0.00   98.55

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.90    43.80    1.60   64.30    20.00   904.80
14.03     0.30    4.63   2.47  16.30
sdb               1.20    30.30    1.70   50.70    23.20   688.00
13.57     0.25    4.85   2.67  14.00
sdc               0.90    28.50    1.90   46.50    22.40   639.30
13.67     0.30    6.28   3.33  16.10
md1               0.00     0.00    0.00  124.40     0.00   994.00
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  124.40     0.00   994.00
7.99     2.19   17.60   7.97  99.10
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.74    0.00    0.34    0.00    0.00   98.92

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.90    50.40    1.20   62.40    16.80   942.40
15.08     0.22    3.49   1.76  11.20
sdb               0.30    53.50    0.40   64.50     5.60   984.00
15.25     0.18    2.82   1.48   9.60
sdc               1.60    34.30    2.00   47.20    28.80   801.60
16.88     0.25    5.04   2.60  12.80
md1               0.00     0.00    0.00  148.40     0.00  1185.80
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  148.40     0.00  1185.80
7.99     2.11   14.23   6.70  99.50
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           1.18    0.00    0.35    0.00    0.00   98.47

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.50    47.80    0.70   60.00     9.60   892.80
14.87     0.20    3.29   1.86  11.30
sdb               1.10    38.10    1.30   48.40    19.20   722.40
14.92     0.17    3.48   2.15  10.70
sdc               0.80    41.90    0.80   57.00    12.80   821.10
14.43     0.21    3.55   1.87  10.80
md1               0.00     0.00    0.00  140.80     0.00  1126.40
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  140.80     0.00  1126.40
8.00     1.98   14.06   7.03  99.00
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.38    0.00    0.38    0.00    0.00   99.25

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.40    42.10    1.50   55.20    23.20   808.80
14.67     0.18    3.26   1.94  11.00
sdb               0.70    39.90    0.80   52.10    12.00   766.40
14.71     0.20    3.71   2.04  10.80
sdc               1.20    38.40    1.40   49.20    20.80   730.50
14.85     0.22    4.45   2.29  11.60
md1               0.00     0.00    0.00  132.60     0.00  1060.80
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  132.60     0.00  1060.80
8.00     1.97   14.83   7.39  98.00
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.33    0.00    0.49    0.00    0.00   99.18

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.80    40.70    1.10   47.20    15.20   735.20
15.54     0.20    4.12   2.28  11.00
sdb               0.50    47.00    0.90   53.60    11.20   836.80
15.56     0.22    4.04   2.51  13.70
sdc               0.90    40.80    1.00   48.40    15.20   857.60
17.67     0.21    4.23   2.31  11.40
md1               0.00     0.00    0.00  132.60     0.00  1060.80
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  132.60     0.00  1060.80
8.00     1.97   14.85   7.44  98.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.40    0.00    0.40    0.00    0.00   99.20

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.90    42.90    1.00   53.60    15.20   800.80
14.95     0.21    3.75   1.96  10.70
sdb               1.10    42.10    1.10   50.80    17.60   772.00
15.21     0.18    3.56   2.02  10.50
sdc               0.70    50.20    0.80   60.20    12.00   911.50
15.14     0.20    3.25   1.90  11.60
md1               0.00     0.00    0.00  144.40     0.00  1155.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  144.40     0.00  1155.20
8.00     1.98   13.70   6.85  98.90
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.75    0.00    0.71    0.00    0.00   98.54

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.70    45.00    0.70   49.70    11.20   783.20
15.76     0.18    3.63   2.12  10.70
sdb               0.70    38.00    0.70   43.20    11.20   675.20
15.64     0.17    3.78   2.10   9.20
sdc               1.00    40.20    1.00   46.20    16.00   716.10
15.51     0.20    4.13   2.27  10.70
md1               0.00     0.00    0.00  126.20     0.00  1009.60
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  126.20     0.00  1009.60
8.00     1.96   15.50   7.75  97.80
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.42    0.00    0.44    0.00    0.00   99.14

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.50    41.50    0.90   53.80    11.20   780.00
14.46     0.20    3.62   2.21  12.10
sdb               0.70    39.80    0.90   60.40    12.80   819.20
13.57     0.24    3.92   1.89  11.60
sdc               0.90    32.70    1.30   46.60    17.60   763.20
16.30     0.23    4.84   2.61  12.50
md1               0.00     0.00    0.00  133.80     0.00  1070.40
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  133.80     0.00  1070.40
8.00     1.97   14.73   7.37  98.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.40    0.00    0.35    0.00    0.00   99.25

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.80    43.20    1.00   55.50    14.40   809.60
14.58     0.20    3.52   1.98  11.20
sdb               0.60    45.20    0.80   56.30    11.20   832.00
14.77     0.20    3.43   1.89  10.80
sdc               1.10    39.80    1.10   53.70    17.60   767.30
14.32     0.20    3.72   2.04  11.20
md1               0.00     0.00    0.00  143.00     0.00  1144.00
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  143.00     0.00  1144.00
8.00     1.98   13.86   6.94  99.20
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.40    0.00    0.47    0.00    0.00   99.14

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.00    44.80    1.00   48.70    16.00   773.60
15.89     0.20    4.08   2.01  10.00
sdb               0.90    49.00    0.90   52.90    14.40   840.80
15.90     0.22    4.01   2.23  12.00
sdc               1.30    39.20    1.30   44.10    20.80   691.30
15.69     0.23    5.11   3.02  13.70
md1               0.00     0.00    0.00  134.40     0.00  1075.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  134.40     0.00  1075.20
8.00     1.95   14.51   7.25  97.40
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.45    0.00    0.45    0.00    0.00   99.10

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               1.40    35.30    1.50   44.00    23.20   679.20
15.44     0.24    5.34   3.21  14.60
sdb               0.30    51.10    0.50   59.00     6.40   925.60
15.66     0.24    4.12   2.69  16.00
sdc               1.10    29.50    1.40   39.20    20.00   705.60
17.87     0.24    5.94   3.52  14.30
md1               0.00     0.00    0.00  120.40     0.00   963.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  120.40     0.00   963.20
8.00     1.99   16.53   8.27  99.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.60    0.00    0.48    0.00    0.00   98.92

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.50    47.20    0.50   51.50     8.00   819.20
15.91     0.27    5.21   3.75  19.50
sdb               1.40    45.00    1.50   49.00    23.20   781.60
15.94     0.23    4.48   2.95  14.90
sdc               1.60    30.20    1.70   34.40    26.40   545.70
15.85     0.18    5.01   2.99  10.80
md1               0.00     0.00    0.00  123.00     0.00   984.00
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00  123.00     0.00   984.00
8.00     1.96   15.92   7.95  97.80
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.50    0.00    0.47    0.00    0.00   99.03

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               5.10    21.60    6.30   36.80    91.20   548.00
14.83     0.46   10.56   8.12  35.00
sdb               6.10    20.80    7.10   35.90   105.60   534.40
14.88     0.38    8.79   6.67  28.70
sdc               3.80    22.80    4.70   38.70    68.00   572.10
14.75     0.43    9.86   7.26  31.50
md1               0.00     0.00    0.00   73.00     0.00   584.00
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00   73.00     0.00   584.00
8.00     1.98   27.15  13.62  99.40
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.78    0.00    0.60    0.00    0.00   98.62

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               5.50    27.10    6.10   37.10    92.80   569.60
15.33     0.39    9.03   6.18  26.70
sdb               7.20    23.60    8.10   33.50   122.40   513.60
15.29     0.33    7.96   5.84  24.30
sdc               7.00    25.80    7.90   35.70   119.20   628.80
17.16     0.42    9.59   7.02  30.60
md1               0.00     0.00    0.00   80.40     0.00   643.20
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00   80.40     0.00   643.20
8.00     1.99   24.70  12.39  99.60
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.21    0.00    0.37    0.00    0.00   99.42

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               4.70    25.70    5.60   34.80    82.40   524.00
15.01     0.29    7.13   5.25  21.20
sdb               4.60    26.20    5.40   35.80    80.00   535.20
14.93     0.28    6.77   4.59  18.90
sdc               4.90    25.70    5.70   35.60    84.80   529.10
14.86     0.35    8.38   6.54  27.00
md1               0.00     0.00    0.00   84.60     0.00   676.80
8.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00   84.60     0.00   676.80
8.00     1.98   23.43  11.69  98.90
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.30    0.00    0.28    0.00    0.00   99.41

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               2.20    17.20    2.40   23.40    36.80   357.60
15.29     0.20    7.83   5.97  15.40
sdb               2.10    15.20    2.50   20.70    36.80   320.00
15.38     0.16    7.03   4.91  11.40
sdc               3.90    13.00    4.20   19.30    64.80   290.50
15.12     0.26   10.94   8.30  19.50
md1               0.00     0.00    0.00   47.90     0.00   382.60
7.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00   47.90     0.00   382.60
7.99     1.12   23.36  11.77  56.40
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.39    0.00    0.24    0.02    0.00   99.35

Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s   wsec/s
avgrq-sz avgqu-sz   await  svctm  %util
sda               0.00     0.00    0.00    0.90     0.00    14.40
16.00     0.03   28.89   7.78   0.70
sdb               0.00     0.00    0.00    0.90     0.00    14.40
16.00     0.03   31.11   7.78   0.70
sdc               0.00     0.10    0.00    1.30     0.00    64.80
49.85     0.06   44.62  10.77   1.40
md1               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
dm-0              0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00
sdd               0.00     0.00    0.00    0.00     0.00     0.00
0.00     0.00    0.00   0.00   0.00

  reply	other threads:[~2007-11-06 21:53 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200710220822.52370.maximlevitsky@gmail.com>
     [not found] ` <200710221258.11384.maximlevitsky@gmail.com>
     [not found]   ` <393051953.24752@ustc.edu.cn>
     [not found]     ` <200710221421.21439.maximlevitsky@gmail.com>
     [not found]       ` <393126119.26275@ustc.edu.cn>
     [not found]         ` <1193134027.7406.1.camel@twins>
     [not found]           ` <20071023115620.GA5678@mail.ustc.edu.cn>
2007-10-23 11:56             ` [PATCH] reiserfs: don't drop PG_dirty when releasing sub-page-sized dirty file Fengguang Wu
2007-10-23 11:56             ` Fengguang Wu
2007-10-23 14:10               ` Chris Mason
     [not found]                 ` <20071023144014.GA6174@mail.ustc.edu.cn>
2007-10-23 14:40                   ` Fengguang Wu
2007-10-23 14:40                   ` Fengguang Wu
     [not found]       ` <393056632.00561@ustc.edu.cn>
     [not found]         ` <200710221505.35397.maximlevitsky@gmail.com>
     [not found]           ` <20071022131045.GA5357@mail.ustc.edu.cn>
     [not found]             ` <393060478.03650@ustc.edu.cn>
     [not found]               ` <64bb37e0710310822r5ca6b793p8fd97db2f72a8655@mail.gmail.com>
     [not found]                 ` <393903856.06449@ustc.edu.cn>
     [not found]                   ` <64bb37e0711011120i63cdfe3ci18995d57b6649a8@mail.gmail.com>
     [not found]                     ` <E1Inljm-0002DW-CL@localhost>
2007-11-02  1:54                       ` writeout stalls in current -git Fengguang Wu
2007-11-02  7:42                         ` Torsten Kaiser
     [not found]                           ` <E1InrKN-0000MK-G5@localhost>
2007-11-02  7:52                             ` Fengguang Wu
2007-11-02  7:52                             ` Fengguang Wu
2007-11-02 17:47                               ` Torsten Kaiser
2007-11-02  1:54                       ` Fengguang Wu
     [not found]                     ` <64bb37e0711011200n228e708eg255640388f83da22@mail.gmail.com>
     [not found]                       ` <E1InmAI-0003ME-2i@localhost>
2007-11-02  2:21                         ` Fengguang Wu
2007-11-02  2:21                         ` Fengguang Wu
2007-11-02  7:50                           ` Torsten Kaiser
2007-11-02 10:15                         ` Peter Zijlstra
     [not found]                           ` <E1IntqD-0001dK-OE@localhost>
2007-11-02 10:33                             ` Fengguang Wu
2007-11-05 23:57                               ` Andrew Morton
2007-11-06 10:20                                 ` Peter Zijlstra
2007-11-02 10:33                             ` Fengguang Wu
2007-11-02 19:22                           ` Torsten Kaiser
2007-11-02 20:43                             ` David Chinner
2007-11-02 21:02                               ` Torsten Kaiser
2007-11-04 11:19                               ` Torsten Kaiser
2007-11-05  1:45                                 ` David Chinner
2007-11-05  7:01                                   ` Torsten Kaiser
2007-11-05 18:27                                   ` Torsten Kaiser
2007-11-06  4:25                                     ` David Chinner
2007-11-06  7:10                                       ` Torsten Kaiser
2007-11-06 19:01                                       ` Peter Zijlstra
2007-11-06 20:26                                         ` Torsten Kaiser
     [not found]                             ` <E1IpKZ4-0004je-Lb@localhost>
2007-11-06  9:17                               ` Fengguang Wu
2007-11-06 21:53                                 ` Torsten Kaiser [this message]
2007-11-06 23:31                                   ` David Chinner
2007-11-07  2:13                                     ` David Chinner
2007-11-07  7:15                                       ` Torsten Kaiser
2007-11-08  0:38                                         ` David Chinner
2007-11-20 13:16                                           ` Damien Wyart
2007-11-20 21:09                                             ` David Chinner
2007-11-06  9:17                               ` Fengguang Wu

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