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Re: Failover root devices

From Richard Weinberger <richard@nod.at>
Newsgroups linux.kernel
Subject Re: Failover root devices
Date 2015-09-17 20:50 +0200
Message-ID <q9MpQ-3IX-23@gated-at.bofh.it> (permalink)
References <q9FRq-2rZ-41@gated-at.bofh.it> <q9G13-2Dx-5@gated-at.bofh.it> <q9LtM-2jP-25@gated-at.bofh.it> <q9Mga-3wR-13@gated-at.bofh.it>
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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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Thread

Re: Failover root devices Ortwin Glück <odi@odi.ch> - 2015-09-17 13:50 +0200
  Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 14:00 +0200
    Re: Failover root devices Richard Weinberger <richard.weinberger@gmail.com> - 2015-09-17 19:50 +0200
      Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 19:50 +0200
        Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:00 +0200
          Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 20:10 +0200
            Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:20 +0200
              Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 20:20 +0200
                Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:20 +0200
                Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 20:30 +0200
                Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 20:30 +0200
                Re: Failover root devices Ortwin Glück <odi@odi.ch> - 2015-09-18 17:00 +0200
                Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-18 17:10 +0200
                Re: Failover root devices Ortwin Glück <odi@odi.ch> - 2015-09-18 17:10 +0200
                Re: Failover root devices Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-18 17:40 +0200
                Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:30 +0200
              Re: Failover root devices Harald Hoyer <harald.hoyer@gmail.com> - 2015-09-17 20:30 +0200
                Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 20:30 +0200
                Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:40 +0200
                Re: Failover root devices Drew DeVault <sir@cmpwn.com> - 2015-09-17 20:40 +0200
                Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:50 +0200
                Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:30 +0200
      Re: Failover root devices Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-17 20:40 +0200
        Re: Failover root devices Richard Weinberger <richard@nod.at> - 2015-09-17 20:50 +0200
          Re: Failover root devices Austin S Hemmelgarn <ahferroin7@gmail.com> - 2015-09-18 16:50 +0200

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