Re: partition for GELI disk

From: Ulrich Spoerlein <q_at_galgenberg.net>
Date: Wed, 22 Feb 2006 16:35:29 +0100
Pawel Jakub Dawidek wrote:
> On Tue, Feb 21, 2006 at 07:14:19PM +0100, Ulrich Spoerlein wrote:
> +> The problem is known (at least) to me. The last '*' will expand to the
> +> complete remaining size of the disk, not taking the offset '16' for
> +> partition 'a' into account. So either change the offset of 'a' to '0'
> +> (why is there such an offset anyway?) or calculate it by hand.
> 
> It is very, _very_ important. Those 16 secotors is where bsdlabel(8)
> store its metadata. If you put 0 there, be ready to lose your
> partitions.
> 
> Swap skips first 16 sectors, so it won't touch it. UFS skips first 16
> sectors, so you are safe here as well, but those are evil hacks.
> If you configure something else on first partition which starts at
> offset 0 (eg. encrypted partition) you are in big troubles.

Thanks for that explanation. So does bsdlabel take this offset into
account for the '*'? This never worked for me ...

Ulrich Spoerlein
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Received on Wed Feb 22 2006 - 14:35:32 UTC

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