Debian Can't See All of Large Disks?

[Mike Hunt]

Hi all,

I had recently tried to install Debian on a computer containing a 200 GB harddrive. However, during cfdisking of the Debian install process cfdisk fails to see past approximately 130 GB of hard disk space. I'm suspecting this is because it is an old version of cfdisk (later versions of cfdisk seem to see the whole drive). So, does anyone here know how to work around this problem so I can use all of my hard disk space with Debian? Thanks for your help!


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[Nick Hastings]

Hi,

* Mike Hunt <mullethead892@yahoo.com> [030801 12:46]:

> Hi all,
>
> I had recently tried to install Debian on a computer containing a 200
> GB harddrive. However, during cfdisking of the Debian install process
> cfdisk fails to see past approximately 130 GB of hard disk space. I'm
> suspecting this is because it is an old version of cfdisk (later
> versions of cfdisk seem to see the whole drive). So, does anyone here
> know how to work around this problem so I can use all of my hard disk
> space with Debian? Thanks for your help!

No this is not a Debian problem. It is related to Linux. I believe
that kernels newer than 2.4.19 do not have the 137 Gb limit.

What kernel are you using (uname -r)?

Nick.

--
Debian testing/unstable
Linux twofish 2.6.0-test1-looxt93c7 #1 Thu Jul 31 17:37:06 JST 2003


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[Erik Steffl]

Karsten M. Self wrote:

> on Thu, Jul 31, 2003 at 08:44:12PM -0700, Mike Hunt (mullethead892@yahoo.com) wrote:
>

>>Hi all,
>>
>>I had recently tried to install Debian on a computer containing a 200
>>GB harddrive. However, during cfdisking of the Debian install process
>>cfdisk fails to see past approximately 130 GB of hard disk space. I'm
>>suspecting this is because it is an old version of cfdisk (later
>>versions of cfdisk seem to see the whole drive). So, does anyone here
>>know how to work around this problem so I can use all of my hard disk
>>space with Debian? Thanks for your help!

>
>
> Please set your mailer/editor linewrap to 68-75 characters. I strongly
> recommend 72 as a good default.
>
> Thank you.
>
> See the Large Disk HOWTO. There's a history of successivly larger disk
> sizes which require different mechanisms for handling what was initially
> a 528 MiB limit for HD sizes.

I have a similar problem so I read the large disk howto (again) but
it's pretty much irrelevant today...

> For disks beyond 137 GiB, the HOWTO doesn't provide specific guidance,
> though a good overview is here, in general, you want 2.4.18 or better
> kernels:
>
> [url]http://www.nber.org/sys-admin/maxtor-160.html[/url]

in addition to that: I have SATA disk (250GB), seen as scsi device
(kernel scsi ata configuration option enabled), for which you need at
least 2.4.21-ac4, most tools see the whole disk but can't read above
137GB, here's the latest from lkml:

from [email]jgarzik@pobox.com[/email]

> I just realized, 2.4 kernels don't support scsi's READ_CAPACITY_16,
> nor 64-bit sector_t on a 32-bit processor.
>
> Can you test Alan Cox's 2.6.0-test-ac tree? I bet the 137GB
> limitation may disappear there.
>
> Jeff

I didn't try it yet so I don't know whether it's going to work...

erik


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