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Full Discussion: Hard disk write performance very slow
Operating Systems Solaris Hard disk write performance very slow Post 302476544 by jegaraman on Thursday 2nd of December 2010 02:50:52 AM
Old 12-02-2010
Hi ....

Pl find the output

Code:
root@IPTOBIS-DB-UAT # iostat -Xtc 5 2
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
md0       0.0    0.1    2.1    1.3  0.0  0.0   37.4   0   0    0   13   2  0  0 98
md1       0.0    0.0    0.0    0.5  0.0  0.0   30.5   0   0
md3       0.0    0.4    0.5    0.6  0.0  0.0   39.6   0   0
md4       1.0    2.8   54.2   23.5  0.0  0.1   15.6   1   4
md5       0.1   13.6    3.5  108.7  0.0  0.2   11.4   0   9
md6       1.9    0.6  107.4    4.5  0.0  0.0    8.4   0   1
md7       1.2    8.0   57.2   66.7  0.0  0.2   20.3   0  11
md8       0.5    2.1   23.8   19.0  0.0  0.1   20.2   0   5
md9       0.0    0.8    0.5    8.0  0.0  0.0   27.5   0   2
md10      0.0    0.1    1.1    1.3  0.0  0.0   28.6   0   0
md11      0.0    0.0    0.0    0.5  0.0  0.0   34.3   0   0
md13      0.0    0.4    0.2    0.6  0.0  0.0   23.2   0   0
md14      0.5    2.8   27.1   23.5  0.0  0.0   10.4   0   3
md15      0.0   13.6    1.7  108.7  0.0  0.1    8.6   0   7
md16      1.0    0.6   53.8    4.5  0.0  0.0    7.4   0   1
md20      0.0    0.1    1.1    1.3  0.0  0.0   27.9   0   0
md21      0.0    0.0    0.0    0.5  0.0  0.0   33.6   0   0
md23      0.0    0.4    0.2    0.6  0.0  0.0   23.1   0   0
md24      0.5    2.8   27.1   23.5  0.0  0.0   10.5   0   3
md25      0.0   13.6    1.7  108.7  0.0  0.1    8.5   0   7
md26      1.0    0.6   53.6    4.5  0.0  0.0    7.6   0   1
md110     0.0    0.1    2.3    6.3  0.0  0.0   56.6   0   0
md120     0.1    0.1    8.3    5.8  0.0  0.0   91.5   0   1
sd0       1.9   18.4   84.0  139.5  0.0  0.2    9.7   0  11
sd1       1.9   18.4   83.7  139.5  0.0  0.2    9.7   0  11
sd2       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd5       8.2   10.6   59.8   87.0  0.0  0.1    6.7   0   8
sd6       9.2   12.7   67.8  103.5  0.0  0.1    6.6   0   9
sd7      10.2   14.6   75.5  119.4  0.0  0.2    7.2   0  10
sd8       9.2   12.7   67.7  103.3  0.0  0.2    7.3   0   9
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    1.0   0   0
                 extended device statistics                    tty         cpu
device    r/s    w/s   kr/s   kw/s wait actv  svc_t  %w  %b  tin tout  us sy wt id
md0       0.2    6.6    1.6    5.4  0.1  0.3   60.5   9   9    6  422   6  1  0 94
md1      67.0    0.0  536.0    0.0  0.0  1.1   15.8   0  99
md3       0.0    3.6    0.0    2.1  0.0  0.2   54.9   3   4
md4       0.2   51.8    1.6  414.4  0.1  1.0   20.3   5  97
md5       0.2   70.4    1.6  563.2  0.0  1.2   17.2   0  99
md6       0.4    0.4  203.2    3.2  0.0  0.0   47.1   0   2
md7       4.8   33.2  305.6  265.6  0.0  0.6   16.0   0  46
md8       0.0    0.4    0.0    0.3  0.0  0.0   24.7   0   1
md9       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
md10      0.2    6.6    1.6    5.4  0.0  0.3   42.9   0   7
md11     33.4    0.0  267.2    0.0  0.0  0.5   14.2   0  47
md13      0.0    3.6    0.0    2.1  0.0  0.1   34.6   0   4
md14      0.0   51.8    0.0  414.4  0.0  0.7   13.0   0  65
md15      0.2   70.4    1.6  563.2  0.0  0.9   12.5   0  73
md16      0.2    0.4  184.0    3.2  0.0  0.0   27.6   0   1
md20      0.0    6.6    0.0    5.4  0.0  0.2   30.9   0   6
md21     33.6    0.0  268.8    0.0  0.0  0.6   17.5   0  55
md23      0.0    3.6    0.0    2.1  0.0  0.1   31.0   0   3
md24      0.2   51.6    1.6  412.8  0.0  0.7   13.1   0  67
md25      0.0   70.4    0.0  563.2  0.0  0.8   11.6   0  72
md26      0.2    0.4   19.2    3.2  0.0  0.0   33.2   0   1
md110     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
md120     0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd0      35.4  136.6  454.4  990.2  0.0  2.6   15.4   0  96
sd1      34.0  136.4  289.6  988.6  0.0  2.5   14.9   0  98
sd2       0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0
sd5      27.0   34.8  216.0  287.1  0.0  0.4    5.9   0  24
sd6      25.6   31.8  203.3  259.4  0.0  0.2    4.4   0  22
sd7      24.6   30.0  195.4  244.7  0.0  0.3    6.1   0  23
sd8      28.2   37.6  222.7  304.4  0.0  0.4    6.2   0  25
nfs1      0.0    0.0    0.0    0.0  0.0  0.0    0.0   0   0


Any info you found out on this.....

Regards
JeganR

________________________________________
Last edited by DukeNuke2; 12-02-2010 at 04:34 AM..
 

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