Re: [PATCH] add fake root support

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2010/11/10 Harald Hoyer <harald@xxxxxxxxxx>:
> On 11/01/2010 03:16 PM, Vladislav Bogdanov wrote:
>>
>> 19.10.2010 17:49, Vladislav Bogdanov wrote:
>>>
>>> Attached is a patch for "fake" root functionality,
>>> I'm (mostly) duplicating issue's description from my previous e-mail
>>> (for commit message if this is to be pushed):
>>>
>>
>> Sorry for being annoying, but... Any comments?
>>
>> Best,
>> Vladislav
>>
>
> I like it, but I don't like the parameters...
>
> Maybe we can express it like this:
>
> netroot=fake:xxx.yyy.zzz.www:/mnt root=live:blablabla
>
> and find another name for "fake".. maybe "container"?
>
> netroot=container:nfs:xxx.yyy.zzz.www:/mnt root=live:blablabla
>
> Which reminds me, that we should probably have the possibility to
> concatenate several stages.
>
> root=nfs:xxx.yyy.zzz.www:/mnt|loop:test.img|live:blablabla
>
> comments?

I like this idea, it would be really useful.

But wouldn't this require some kind of union mount? I ask this because
I have read Vladislav's patch, but I've been able to figure out how it
sets/links the writable overlay. I'm missing something?

And if that is the case, I suppose that dracut will have to support
different kind of union mount (unionfs, aufs, ...) till Valerie's
Union Mount gets pushed into the kernel. Or could something be
archived only using COW?

Regards,

Jon Ander.
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