Re: Changing file system for Cloud images to ext4, xfs or something custom

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On Thu, Apr 11, 2024 at 5:25 AM Tadej Janež <tadej.j@xxxxxx> wrote:
>
> On Tue, 2024-04-09 at 11:04 -0400, Dusty Mabe wrote:
> >
> >
> > On 4/9/24 10:00, Neal Gompa wrote:
> > > On Tue, Apr 9, 2024 at 9:53 AM Tadej Janež <tadej.j@xxxxxx> wrote:
> > > >
> > > > Hey Fedora Cloud WG!
> > > >
> > > > Firstly, thanks for providing Fedora for the popular cloud
> > > > providers!
> > > >
> > > > Since Fedora 35, the Fedora Cloud images use btrfs by default
> > > > [1].
> > > > For my deployments, I would like to use ext4 or xfs, so my
> > > > question
> > > > are:
> > > > 1) Is it possible to change the root file system at deploy time?
> > > > 2) If not, how could one change the cloud images to use a
> > > > different
> > > > root file system?
> > > >
> > >
> > > It is not possible to change at deployment time, you would need to
> > > build your own custom images.
> >
> > We do have Fedora CoreOS, which may or may not fit your use case
> > (i.e.
> > run software in containers, automatic updates, rpm-ostree as the
> > update mechanism), which can re-provision the root filesystem on
> > first
> > boot and does provide images for various clouds:
> >
> > - https://fedoraproject.org/coreos/download?stream=stable
> > -
> > https://docs.fedoraproject.org/en-US/fedora-coreos/storage/#_reconfiguring_the_root_filesystem
> >
> > This may or may not be an option for you, but figured I'd mention.
>
> Thanks for mentioning this, this looks very nice!
>
> Does it copy the whole rootfs to RAM, erases and reformats it with a
> new file system and copies the contents from RAM back to it?
>

This is basically what ignition does, yes.


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真実はいつも一つ!/ Always, there's only one truth!
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