Re: grub mishandles corrupt/missing primary GPT

[Phillip Susi]

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On 12/9/2013 10:54 AM, Vladimir '?-coder/phcoder' Serbinenko wrote:
> Not true. I've checked: all configs not involving compressed fs or 
> diskfilter fit in 31K.

As I said, "trivial" configurations ;)

ext2 with no raid or lvm fits... btrfs or any combination of raid or
lvm doesn't.

> We're speaking abut GPT, nothing to do with MBR embed area.

You seemed to be concerned that increasing the size to deal with GPT
properly would be bad for MBR setups.  MBR setups already have plenty
of spare room in the vast majority of cases.

> My problem with that is that it increases complexity a lot in
> currently simple code. And also I had experience with backup header
> out of place due to disk reconfiguration and primary header
> corrupted but still well enough to have valid partitions. I could
> boot this system by using "gpt" linux option. With proposed changes
> this system would become unbootable.

One very damaged configuration becomes unbootable, many other less
damaged configurations become bootable.  Good trade in my book.


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