From: David Brown <david.brown@hesbynett.no>
To: Francis Moreau <francis.moro@gmail.com>,
linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Soft RAID and EFI systems
Date: Mon, 03 Feb 2014 10:56:43 +0100 [thread overview]
Message-ID: <52EF67DB.9030403@hesbynett.no> (raw)
In-Reply-To: <CAC9WiBjSjBw8Y=cCd8bpwQhuy-1+swYVdHkBT7bynv6Hx8_6zA@mail.gmail.com>
On 31/01/14 18:02, Francis Moreau wrote:
> Hello,
>
> On EFI systems I'd like to RAID mirror /boot partition.
>
> For HW RAID there's no issue since access to the disk or any
> partitions should be totally transparent to the bios.
>
> For Fake RAID, I'm not sure but I would say that the bios is able to
> read the RAID metadata as well.
>
> For (md) Soft RAID, I don't know. I would say that the bios is
> unlikely to understand the md metadata stored in the /boot partition
> so it won't work.
> Is that correct ?
> If so does that mean I can't mirror /boot partition on EFI systems ?
> Maybe creating a RAID device using the whole disk (not the partition
> device) would work ?
>
> Thanks for your enlightments.
>
I can't answer your question as such, but in case you don't know
VirtualBox virtual machines can be configured with an EFI instead of a
normal bios. I don't know how complete the emulation of EFI is, but
that might give you a quick and easy way to test out the different ideas.
next prev parent reply other threads:[~2014-02-03 9:56 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-31 17:02 Soft RAID and EFI systems Francis Moreau
2014-02-01 22:04 ` Martin Wilck
2014-02-02 21:39 ` Francis Moreau
2014-02-02 21:56 ` Martin Wilck
2014-02-02 20:39 ` Chris Murphy
2014-02-02 21:34 ` Francis Moreau
2014-02-02 22:30 ` Chris Murphy
2014-02-02 22:57 ` Phil Turmel
2014-02-03 7:19 ` Martin Wilck
2014-02-04 8:41 ` Francis Moreau
2014-02-04 8:48 ` David Brown
2014-02-04 8:53 ` Francis Moreau
2014-02-04 12:27 ` Phil Turmel
2014-02-04 15:13 ` Chris Murphy
2014-02-04 15:29 ` Chris Murphy
2014-02-07 7:42 ` Francis Moreau
2014-02-04 8:32 ` Francis Moreau
2014-02-04 8:57 ` David Brown
2014-02-04 9:06 ` Francis Moreau
2014-02-04 9:35 ` David Brown
2014-02-04 9:45 ` Francis Moreau
2014-02-04 15:27 ` Chris Murphy
2014-02-04 15:40 ` Chris Murphy
2014-02-04 14:50 ` Chris Murphy
2014-02-07 8:00 ` Francis Moreau
2014-02-03 9:56 ` David Brown [this message]
2014-02-04 8:22 ` Francis Moreau
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