Re: parted - larger logical and physical block sizes on GPT disks

[Patrick Leslie Polzer]

On Fri, 4 Nov 2005 15:22:03 +0100
"K.G." <address@hidden> wrote:

> Well, the sector size is a known problem in Parted. Until recently we
> didn't receive much reports about it, because probably about
> 99.9999999% of people are using 512 bytes sectors. But now multiples
> of 512 bytes are beginning to be seen sometimes (in raid systems?
> very big disk?) and Parted is mostly unusable when that happens.
> I believe this should be fixed in the whole program, but unfortunately
> this probably would involve a lot of work.
As a starter, I'd suggest fixing only the parts for which people send a
complaint.

> Interesting. I guess this divides data structures in 2 sets: old ones
> which aren't aware of the logical vs physical disk block size issue
> will only consider logical sizes - and new ones like GPT which handle
> it fine with size fields and backward compatibility with systems that
> don't probe the physical sector size, right?
> (indeed there's a third set: the ones that just assume 512 bytes
> sectors)
At least the partition boundaries can be set correctly by Parted in any
case.

> As I said before, disk_gpt.c is only a small part of the problem... :/
I'm onto fixing the GPT part, should be done soon.

Leslie

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