linux-kernel - Re: Failover root devices

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Message-ID: <CAFLxGvyMNtrtk5KBQhWbPLiqG6LqqfnAJHG0rfhFfWfJFDfeng@mail.gmail.com>
Date:	Thu, 17 Sep 2015 19:47:04 +0200
From:	Richard Weinberger <richard.weinberger@...il.com>
To:	Drew DeVault <sir@...wn.com>
Cc:	Ortwin Glück <odi@....ch>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Failover root devices

On Thu, Sep 17, 2015 at 1:49 PM, Drew DeVault <sir@...wn.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.

-- 
Thanks,
//richard
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