Re: uuid/label based fstab during bsdinstall

Unfortunately, the glabel and (especially) GPT partition ID labelling 
has in-kernel race conditions that make it impossible to rely on in the 
installer. This has been an open problem since FreeBSD 9; hopefully it 
will be solved soon.
-Nathan

On 08/02/16 20:35, Alive 4ever wrote:
> Greetings, everyone.
>
> I am testing FreeBSD 11.0-BETA3 release on a virtual machine (qemu,
> with
> edkII ovmf).
>
> Currently, bsdinstall creates device path based block device driver
> scheme instead of uuid/label based device scheme.
>
> bsdinstall-generated fstab has some drawback. For example, when
> switching from ide to virtio on qemu, freebsd can't find its root
> partition because the path name has changed from 'da0' to 'vtbd0'.
>
> I suggest adding an option during bsdinstall to select fstab block
> device pointer scheme. User will choose a scheme based on fs-uuid,
> fs-label, geom label (glabel), gpt id, gpt label, or driver based
> numbering scheme (da0/vtbd0 style).
>
> If fstab scheme choice is too hard to implement, it would be better to
> just switch default fstab generation to label based scheme, so that
> FreeBSD kernel will be able to find its rootfs in different
> circumstances.
>
> I hope this will be implemented soon.
>
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