[Disksim-users] Re: why most of requests hadn't executed?

Yinliang Yue yueyinliang at gmail.com
Thu Nov 6 12:10:08 EST 2008


Hi lucky.wu.han,

The reason is that the trace used in your testing is too intensive.

You should modify the parameter "I/O Trace Time Scale" to 2, 3 or much
larger number.

Please see the section 3.3 of disksim v4.0 reference manual.   ( iosim_block
).

Regards!

- Yinliang

On Fri, Nov 7, 2008 at 1:00 AM, <disksim-users-request at ece.cmu.edu> wrote:

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> Message: 1
> Date: Thu, 6 Nov 2008 21:56:26 +0800
> From: "lucky.wu.han" <lucky.wu.han at gmail.com>
> Subject: [Disksim-users] why most of requests hadn't executed?
> To: "disksim-users" <disksim-users at ece.cmu.edu>
> Message-ID: <200811062156171569963 at gmail.com>
> Content-Type: text/plain; charset="gb2312"
>
> Hello all
>
> I use disksim to simulate the  storage subsystem. The trace is
> websearch1.spc which had been changed to ascii format. The number of io
> request is 100000+.
> But when i run disksim(./disksim disk.parv output ascii WebSearch1.ascii
> 0), it stop abnormally. The error out is:
>    "Stopping simulation because of saturation: simtime 73.129074,totalreqs
> 10008"
> I don't know why. Most of requests hadn't executed.
> Who can tell me the reason ?
> thank you for your help!
> Have a nice day!
>
>
> 2008-11-06
>
>
>
> lucky.wu.han
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-- 
Best regards!

Yinliang YUE
HUST, Wuhan, China
yueyinliang at gmail.com
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