[Disksim-users] Disksim-users Digest, Vol 65, Issue 2

[Greg Ganger]

Correct.  The simulator includes support for doing the same sort of mappings
that disk drives do (or "did", since some of the newer stuff isn't in there).

Greg


On Fri, 11 Mar 2011, é~Y³ä¿¡å®~O wrote:

> I don't  think filesystem have to take responsible to logic-physical
translation

Sent from SH

"disksim-users-request at ece.cmu.edu"
<disksim-users-request at ece.cmu.edu> 於 2011/3/11 上午1:00 寫道：

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>   1. HDD physical address (changyue)
>   2. Re: HDD physical address (Alexander Lochmann)
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> Message: 1
> Date: Thu, 10 Mar 2011 08:30:01 +0000
> From: changyue <cy_3108079008 at hotmail.com>
> Subject: [Disksim-users] HDD physical address
> To: <disksim-users at ece.cmu.edu>
> Message-ID: <BAY148-w4074299D5797E60871D65386C80 at phx.gbl>
> Content-Type: text/plain; charset="gb2312"
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>
>
>      Hello, Everyone who use the Disksim simulation tool. May I ask a simple question about disksim?
>      If you have the logical sector address from the IO request, then how you can get the physical sector address from the disksim? Does disksim have the function that show the physical sector address of the Hard Disk.
>      Waiting for the reply!
>      Best regards!
>
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> Message: 2
> Date: Thu, 10 Mar 2011 09:36:39 +0100
> From: Alexander Lochmann <alexander.lochmann at tu-dortmund.de>
> Subject: Re: [Disksim-users] HDD physical address
> To: changyue <cy_3108079008 at hotmail.com>
> Cc: disksim-users at ece.cmu.edu
> Message-ID: <4D788D97.7080301 at tu-dortmund.de>
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>
> Hi!
>
> Am 10.03.2011 09:30, schrieb changyue:
>>
>> Hello, Everyone who use the Disksim simulation tool. May I ask a
>> simple question about disksim?
>> If you have the logical sector address from the IO request, then how
>> you can get the physical sector address from the disksim?
>
> I think you're wrong. The disksim receives a physical sector address and
> a request size. With these information he computes a duration for this
> request.
> What you mean is to translate a logical address to a physical address. A
> filesystem has to cover this action.
> A filesystems task is to map a logical address belonging to a file into
> a physical sektor address.
>
> Best regards
> Alex
>> Does disksim have the function that show the physical sector address
>> of the Hard Disk.
>> Waiting for the reply!
>> Best regards!
>>
>>
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