Re: high io on solaris box
- From: raja rao <raja4list@xxxxxxxxx>
- To: richard.c.ji@xxxxxxxxx
- Date: Mon, 24 Oct 2005 07:28:01 -0700 (PDT)
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@xxxxxxxxx> 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@xxxxxxxxx> 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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