On Monday 23 March 2009 20:16:15 Mick wrote: > On Sunday 22 March 2009, Alan McKinnon wrote: > > Caveat: I have no idea why this doesn't work, but if you make sda4 an > > extended partition and create sda5 as a logical with exactly the same > > start and end as you describe above, you do in fact lose all data. > > Obviously there is a difference between a physical and a logical > > partition with the same location, but I don't know why this is. > > I think that this is because the extended partition contains the extended > partition table at its boot sector. A primary partition at the same > position does not and therefore has a different offset. Having spent some > interesting white-knuckle-ride moments with testdisk, I realised that > carelessly switching between primary and extended/logical partitions is not > something I would like to try again - unless I am playing around in a test > environment.
Yes, that makes sense. Also explains why you can't just switching them around without side-effects > > Which is a pity, as 4 logical partitions is a little too constrictive, > > Do you mean primary? Yes - that was a thinko :-0 -- alan dot mckinnon at gmail dot com
