Re: IDE disk and HPA

2005-08-05 Thread Etienne Lorrain
> If I want to upgrade my IDE Hard drive by my self, how can I > restore that kind of data on other diferent PC? So the content of the HPA should be limited to program which are special: a boot loader is position dependant and you do not want to copy it blindly to another hard disk with maybe

RE: IDE disk and HPA

2005-08-05 Thread Etienne Lorrain
>> Note that this HPA is a good place to store a bootloader too, in fact >> I like to think of it as the big floppy drive of the PC which no more >> have any floppy drive: create a FAT filesystem of 64 Mbytes there and >> copy all the floppy you used to have there. Your bootloader, if it >> is

RE: IDE disk and HPA

2005-08-05 Thread Etienne Lorrain
Note that this HPA is a good place to store a bootloader too, in fact I like to think of it as the big floppy drive of the PC which no more have any floppy drive: create a FAT filesystem of 64 Mbytes there and copy all the floppy you used to have there. Your bootloader, if it is good enough,

Re: IDE disk and HPA

2005-08-05 Thread Etienne Lorrain
If I want to upgrade my IDE Hard drive by my self, how can I restore that kind of data on other diferent PC? So the content of the HPA should be limited to program which are special: a boot loader is position dependant and you do not want to copy it blindly to another hard disk with maybe

Re: IDE disk and HPA

2005-08-04 Thread Gustavo Guillermo Pérez
El Jueves, 4 de Agosto de 2005 07:11, Etienne Lorrain escribió: > > > > My question is now: why is an HPA disabled i.e. disprotected when > > > > detected? Why not let the HPA alone, because a certain set of disk > > > > sectors shall not be accessible by the OS? > > > > > > Because the HPA is

RE: IDE disk and HPA

2005-08-04 Thread Aleksey Gorelov
>-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >Etienne Lorrain >Sent: Thursday, August 04, 2005 5:11 AM >To: linux-kernel@vger.kernel.org >Subject: Re: IDE disk and HPA > >> > > My question is now: why is an

Re: IDE disk and HPA

2005-08-04 Thread Etienne Lorrain
> > > My question is now: why is an HPA disabled i.e. disprotected when > > > detected? Why not let the HPA alone, because a certain set of disk > > > sectors shall not be accessible by the OS? > > > > Because the HPA is most commonly used to hide all but a fraction of a > > disk to work with

Re: IDE disk and HPA

2005-08-04 Thread Alan Cox
On Iau, 2005-08-04 at 09:14 +0200, Oliver Tennert wrote: > partitioning and filesystems. The point is, IF there is an HPA, there MIGHT > be a partitioning scheme and some filesystems on the disk which rely on the > size of disk being the native size MINUS the HPA. Thats fine, Linux is quite

Re: IDE disk and HPA

2005-08-04 Thread Oliver Tennert
On Friday, 22. July 2005 16:47, Alan Cox wrote: > > Do I interpret it right that the following is done in the above function: > > Aside from the version in most kernels being buggy yes > > > My question is now: why is an HPA disabled i.e. disprotected when > > detected? Why not let the HPA alone,

Re: IDE disk and HPA

2005-08-04 Thread Oliver Tennert
On Friday, 22. July 2005 16:47, Alan Cox wrote: Do I interpret it right that the following is done in the above function: Aside from the version in most kernels being buggy yes My question is now: why is an HPA disabled i.e. disprotected when detected? Why not let the HPA alone, because a

Re: IDE disk and HPA

2005-08-04 Thread Alan Cox
On Iau, 2005-08-04 at 09:14 +0200, Oliver Tennert wrote: partitioning and filesystems. The point is, IF there is an HPA, there MIGHT be a partitioning scheme and some filesystems on the disk which rely on the size of disk being the native size MINUS the HPA. Thats fine, Linux is quite happy

Re: IDE disk and HPA

2005-08-04 Thread Etienne Lorrain
My question is now: why is an HPA disabled i.e. disprotected when detected? Why not let the HPA alone, because a certain set of disk sectors shall not be accessible by the OS? Because the HPA is most commonly used to hide all but a fraction of a disk to work with older BIOSes. But

RE: IDE disk and HPA

2005-08-04 Thread Aleksey Gorelov
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Etienne Lorrain Sent: Thursday, August 04, 2005 5:11 AM To: linux-kernel@vger.kernel.org Subject: Re: IDE disk and HPA My question is now: why is an HPA disabled i.e. disprotected when detected? Why

Re: IDE disk and HPA

2005-08-04 Thread Gustavo Guillermo Pérez
El Jueves, 4 de Agosto de 2005 07:11, Etienne Lorrain escribió: My question is now: why is an HPA disabled i.e. disprotected when detected? Why not let the HPA alone, because a certain set of disk sectors shall not be accessible by the OS? Because the HPA is most commonly used to

Re: IDE disk and HPA

2005-07-22 Thread Alan Cox
> Do I interpret it right that the following is done in the above function: Aside from the version in most kernels being buggy yes > My question is now: why is an HPA disabled i.e. disprotected when detected? > Why not let the HPA alone, because a certain set of disk sectors shall not be >

Re: IDE disk and HPA

2005-07-22 Thread Alan Cox
Do I interpret it right that the following is done in the above function: Aside from the version in most kernels being buggy yes My question is now: why is an HPA disabled i.e. disprotected when detected? Why not let the HPA alone, because a certain set of disk sectors shall not be