Re: Problem with gpt partitioning in NetBSD-5.0.2 amd64

[Peter Kerwien <peter%kerwien.homeip.net@localhost>]

Thanks for all info. Any idea why I cannot execute the gpt destroy command 
either:

server1# gpt destroy sd0
gpt: unable to open device 'rsd0d': Invalid argument

/Peter


On 04/01/2010 09:28 AM, Michael van Elst wrote:
> peter%kerwien.homeip.net@localhost (Peter Kerwien) writes:
>
>   
>> Thanks for your answers. Yes I have created wedges, but after that I
>> have destroyed my array and re-created it. Perhaps the information is
>> still there somewhere. How do I remove wedges properly?
>>     
> Wedges are only data structures in memory that are not persisent.
> You delete them with dkctl delwedge.
>
> Wedges are automatically created when a disk is attached from
> information on that disk (MBR, BSD disklabel, GPT) and only if
> your kernel has DKWEDGE_AUTODISCOVER and one or more of the
> DKWEDGE_METHOD_* enabled.
>
> Using DKWEDGE_METHOD_MBR and DKWEDGE_METHOD_BSDLABEL is difficult
> because autodiscover applies to all disks including your boot disk.
> DKWEDGE_METHOD_GPT is easy unless you have an EFI system that uses
> GPT on the boot disk.
>
> gpt destroy will erase a GPT, autodiscover will then not find
> anything to create wedges from.
>
>