[parted-devel] [parted 1.8.8] msdos label and file system corruption issues with > 2TB disk
H. Peter Anvin
hpa at zytor.com
Sun Dec 30 00:47:15 UTC 2007
xerces8 wrote:
> From: "H. Peter Anvin" <hpa at zytor.com>
>
>> Michael Reed wrote:
>>> What are the various protocols in use for booting from GPT partitions
>>> on BIOS systems? Trying to standardize on one could be a "good thing".
>>>
>> So far, the only supported protocol is to have the bootable partition(s)
>> present inth the MBR. Data-only partitions can be present in the GPT only.
>
> Sorry, but isn't it so, that BIOS loads and executes the boot sector (MBR) and
> does not care about any partitions ?
This is correct. However, the handover protocol from the MBR to the
operating system boot sector uses a (possibly synthetic) structure in
MBR partition table format. Furthermore, not all operating systems can
boot off any partition table format even though they may be able to use
it for data.
-hpa
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