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Date: Tue, 23 Dec 2008 10:49:28 -0500 (EST)
From: Justin Piszcz <jpiszcz@lucidpixels.com>
To: Christoph Hellwig <hch@infradead.org>
cc: linux-raid@vger.kernel.org, bug-parted@gnu.org,
       linux-kernel@vger.kernel.org, xfs@oss.sgi.com
Subject: Re: 2.6.27.10: cannot mount xfs filesystem partition (12TiB) after
 reboot
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On Tue, 23 Dec 2008, Christoph Hellwig wrote:

> On Tue, Dec 23, 2008 at 09:50:26AM -0500, Justin Piszcz wrote:
>>
>>
>> On Tue, 23 Dec 2008, Christoph Hellwig wrote:
>>
>>> On Tue, Dec 23, 2008 at 08:36:17AM -0500, Justin Piszcz wrote:
>>>> Kernel = 2.6.27.10
>>>> Parted = 1.8.8.git.2008.03.24-11.1
>>>>
>>>> Can anyone help explain the problem here?
>>>
>>> Can you post your kernel .config file?
>>>
>>
>> http://home.comcast.net/~jpiszcz/20081223/config-2.6.27.10.txt
>
> Without CONFIG_EFI_PARTITION the kernel won't find your gpt labels.  See
>
> 	http://xfs.org/index.php/XFS_FAQ#Q:_Why_does_my_.3E_2TB_XFS_partition_disappear_when_I_reboot_.3F
>
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Christoph,

Thank you-- enabled, rebooted, success.

Steps performed/location in menuconfig:

$ make menuconfig
$ File systems
$ Partition Types
$ Hit 'Y'
$ Enable this: [X] EFI GUID Partition support (NEW)

Better question as well, need to find out if KNOPPIX or distro-CDs support 
this option, if one to boot into recovery and this option was not 
enabled.. that would not be fun.

Justin.