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SubjectRe: Failover root devices
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Am 17.09.2015 um 20:37 schrieb Austin S Hemmelgarn:
> On 2015-09-17 13:47, Richard Weinberger wrote:
>> On Thu, Sep 17, 2015 at 1:49 PM, Drew DeVault <sir@cmpwn.com> wrote:
>>> On 2015-09-17 1:40 PM, Ortwin Glück wrote:
>>>> You can do that completely in user space from an initramfs.
>>>
>>> Yep, I'm aware of that. I think it would still be useful for the kernel
>>> to support it. Bonus - if the kernel supports it, there's a standard way
>>> of doing it that would propegate down to the various initramfs designs
>>> of the distros without having me write patches against all of them.
>>> Right?
>>
>> I really don't see why we need this feature in-kernel as it can be
>> done perfectly fine
>> in userspace. Every non-trivial system needs an initramfs anyway these days.
>>
> Ha, not unless you're using systemd. I have more than 2 dozen servers with complex setups that boot just fine without an initramfs. Yes there is more setup done in initramfs
> these days, but it's still not actually needed in most cases except complicated storage setups.

I really don't count root=UUID... or root=LABEL... as complicated storage setup...

Thanks,
//richard


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