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List:       ceph-devel
Subject:    Re: [PATCH 0/4] Add ceph root filesystem functionality and documentation.
From:       Mark Doffman <mark.doffman () codethink ! co ! uk>
Date:       2013-11-22 16:53:21
Message-ID: 528F8C01.8020603 () codethink ! co ! uk
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On 11/21/2013 02:19 PM, David Dillow wrote:
> On Wed, 2013-11-20 at 20:13 -0600, mark.doffman@codethink.co.uk wrote:
>> The following patch series adds the ability to use a ceph distributed
>> file system as the root device. The functionality is similar to
>> NFS root but for the ceph filesystem.
>
> Why do this in the kernel vs in the initramfs? Dracut would be a more
> appropriate place, I think, as it has support for other network root
> devices already.

I don't know if its a good idea to require an initramfs for mounting a
rootfs over the network. NFS root is currently in the kernel, and
frequently used without an initramfs.

Booting from ceph using a root device is relatively simple compared to
generating an initramfs and it has the possibility of producing smaller
images for memory constrained devices.


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