Re: Non-deterministic ordering of raid partition creation...

[Jeremy Katz <katzj redhat com>]

On Wed, 2006-12-13 at 09:44 -0500, James Olin Oden wrote:
> I might be able to live with this, but again I ask is this desirable
> behavior?  I can see after thinking through this a bit how in the case
> where you were installling over an existing system and partitions were
> not being cleared that there would have to be a bit more flexibility
> as to the ordering of partitions, but I would have assumed that when
> the partitions were cleared, you would end up with same order as was
> specified in the kickstart file (implicitly via the order of the part
> declerations in the kickstart file)?  Is this not a reasonable
> assumption?

The ordering is deterministic, but it doesn't necessarily match the
order that they're specified in.  Due to wanting to be able to support
partitions with --grow, the general way things work is that we allocate
the biggest partitions first and then go down in size from there.[1]  

Jeremy

[1] There's an exception that makes sure we allocate boot partitions
first taking into account that different arches have different
constraints.