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Re: why 63 ?
From: |
Andrew Clausen |
Subject: |
Re: why 63 ? |
Date: |
Wed, 23 Feb 2005 13:11:02 +1100 |
User-agent: |
Mutt/1.3.28i |
On Wed, Feb 23, 2005 at 10:00:01AM +0100, SEVAUX Gence ROSI/DPS DPS wrote:
> good morning,
>
> I look for information about linux partitionning, since our storage
> vendor says we can meet disk alignment issues. Now, i begin to
> understand that, because first data partition start on sector 63 and
> usually the boundaries of tracks, stripes are rather a 64 multiplier.
>
> But, for other disk the CHS geometry can be different (for instance 32
> sectors by tracks). To increase my own knowledge, may you tell me the
> history of this number 63 ?
I don't know the history. I can only assume that 50 years ago, some
intern made the decision to choose 63 rather than 64 without telling
anyone. A billion people have been stuck with it ever since. I am as
mystified as you are. I can think of more horrendous mistakes in
human history, though :p
Cheers,
Andrew
- why 63 ?, SEVAUX Gence ROSI/DPS DPS, 2005/02/23
- Re: why 63 ?,
Andrew Clausen <=