[CentOS] Dual boot C7 with Window 10

[Chris Murphy]

On Tue, Apr 19, 2016 at 10:53 AM,  <m.roth at 5-cent.us> wrote:
> Jerry Geis wrote:
>> Thanks...
>> I added the "insmod ntfs" re-ran config no boot...
>> I change the hd1 to hd3 re-ran config no boot...
>> This is what my partition table looks like.
>> #         Start          End    Size  Type            Name
>>  1         2048       534527    260M  EFI System      EFI system
> partition 2       534528       567295     16M  Microsoft reser
> Microsoft reserved
>> partition
>>  3       567296    525326335  250.2G  Microsoft basic Basic data
> partition 4    998166528   1000214527   1000M  Windows recover Basic data
> partition 5    525326336    525330431      2M  BIOS boot parti
>>  6    525330432    965732351    210G  Microsoft basic
>>  7    965732352    982509567      8G  Linux swap
>> Thoughts?
>
> I haven't been following this, and perhaps I'm being dense... but I see
> BIOS boot partition, and I see 8G of Linux swap... where's the Linux /boot
> and / partitions?
>
>          mark

CentOS 7 has inherited an old bug/bad design choice by parted
developers, where they decided to use the partition type GUID for
"basic data" that Microsoft came up with, rather than following the
UEFI spec and creating their own partition type GUID for Linux
filesystems. Presumably partition 3 is Windows on NTFS, and partition
6 is a conventional partition with combined /boot / and /home. Just a
guess.

It's not a bad idea to get gdisk on the system, and change the type
code for the linux partition to gdisk code 8300, which translates to
partition type GUID 0FC63DAF-8483-4772-8E79-3D69D8477DE4. Windows 10
will ignore this, where at least Windows 8 and older invited the user
to format anything with the "basic data" GUID that had a file system
it didn't recognize.


-- 
Chris Murphy