[Q] iostat output question ???
mcclnx mcc
mcclnx at yahoo.com.tw
Thu Jan 13 17:57:36 UTC 2005
--- mcclnx mcc <mcclnx at yahoo.com.tw> wrote:
> We have several servers installed Redhat AS 2.1
> (update 3). I use "iostat -x 5" to check I/O
> performance. It show some disks 100% utilize
> always.
> I don't think it is correct. Does anyone know what
> wrong it is and how to reset?
>
> Output of "iostat -x 5":
>
> avg-cpu: %user %nice %sys %idle
> 0.00 0.00 0.00 100.00
>
> Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s
> avgrq-sz avgqu-sz await svctm %util
> emcpowera
> 0.00 2.20 0.00 1.80 0.00 32.00
>
> 17.78 3620.00 0.00 5555.56 100.00
> emcpowera1
> 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> emcpowera2
> 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> emcpowera3
> 0.00 2.20 0.00 1.80 0.00 32.00
>
> 17.78 600.00 0.00 5555.56 100.00
> emcpowerc
> 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 660.00 0.00 0.00 100.00
> emcpowerc1
> 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 350.00 0.00 0.00 100.00
> sda 0.00 14.20 0.00 3.80 0.00 144.00
>
> 37.89 0.00 0.00 0.00 0.00
> sda1 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sda2 0.00 11.00 0.00 1.40 0.00 99.20
>
> 70.86 0.00 0.00 0.00 0.00
> sda3 0.00 3.20 0.00 2.40 0.00 44.80
>
> 18.67 0.00 0.00 0.00 0.00
> sdb 0.00 3.20 0.00 2.40 0.00 44.80
>
> 18.67 0.00 0.00 0.00 0.00
> sdb1 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdb2 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdb3 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdb4 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdb5 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdb6 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdb7 0.00 3.20 0.00 2.40 0.00 44.80
>
> 18.67 0.00 0.00 0.00 0.00
> sdc 0.00 1.00 0.00 1.00 0.00 16.00
>
> 16.00 0.00 0.00 0.00 0.00
> sdc1 0.00 1.00 0.00 1.00 0.00 16.00
>
> 16.00 0.00 0.00 0.00 0.00
> sdf 0.00 0.00 0.00 0.80 0.00 17.60
>
> 22.00 8588474.59 0.00 12500.00 100.00
> sdf1 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdf2 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 10.00 0.00 0.00 100.00
> sdf3 0.00 0.00 0.00 0.80 0.00 17.60
>
> 22.00 8587094.59 0.00 12500.00 100.00
> sdg 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 8589734.59 0.00 0.00 100.00
> sdg1 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 8589414.59 0.00 0.00 100.00
> sdh 0.00 0.00 0.00 1.00 0.00 14.40
>
> 14.40 8588224.59 0.00 10000.00 100.00
> sdh1 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdh2 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 0.00 0.00 0.00 0.00
> sdh3 0.00 0.00 0.00 1.00 0.00 14.40
>
> 14.40 8586984.59 0.00 10000.00 100.00
> sdi 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 80.00 0.00 0.00 100.00
> sdi1 0.00 0.00 0.00 0.00 0.00 0.00
>
> 0.00 8589404.59 0.00 0.00 100.00
>
>
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