Re: high io on solaris box

From: raja rao <raja4list_at_yahoo.com>
Date: Mon, 24 Oct 2005 07:28:01 -0700 (PDT)
Message-ID: <20051024142801.93333.qmail@web31406.mail.mud.yahoo.com>

This is teh iostat:  

$ iostat 2 10

   tty sd6 ssd0 ssd1 nfs1 cpu  tin tout kps tps serv kps tps serv kps tps serv kps tps serv us sy wt id    1 88 0 0 0 947 22 42 96 0 85 0 0 0 6 2 7 84    0 117 0 0 0 884 110 28 0 0 0 0 0 0 0 1 89 10    0 40 0 0 0 828 104 29 0 0 0 0 0 0 0 1 86 13    0 40 0 0 0 860 107 28 0 0 0 0 0 0 2 2 86 11    0 40 0 0 0 884 110 26 0 0 0 0 0 0 2 1 82 15    0 40 0 0 0 856 107 26 0 0 0 0 0 0 0 1 85 14    0 40 0 0 0 852 106 28 0 0 0 0 0 0 1 0 84 15    0 40 0 0 0 828 104 28 0 0 0 0 0 0 0 0 85 14    0 40 0 0 0 816 102 23 0 0 0 0 0 0 0 1 79 20    0 40 0 0 0 828 103 23 0 0 0 0 0 0 0 0 76 24  

The high io may get cleared if the server is rebooted. However, i want to find what is the root cause for this IO  

Thanks,
Raj

Richard Ji <richard.c.ji_at_gmail.com> wrote: You can get pio and topio. Google on the two commands and the top link is what you need.

On 10/24/05, raja rao <raja4list_at_yahoo.com> wrote:Hi All,  

I am observing lot of WIO when did a sar -u 2 5  

$ sar -u 2 5

SunOS oracle 5.9 Generic_117171-02 sun4u 10/24/2005

09:37:54    %usr    %sys    %wio   %idle
09:37:56       0       1      86      12
09:37:58       0       1      89       9
09:38:00       0       1      88      10
09:38:02       1       1      86      11
09:38:04       0       2      85      13

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Received on Mon Oct 24 2005 - 09:36:25 CDT