btrfs for Fedora 12 and 13 LiveCD/DVD ?

[Valent Turkovic]

Hi,
how to make Fedora 12 and Fedora 13 LiveCD/DVD that is btrfs formated
and not ext4?
What options need to be enables in kicstart file so that
livecd-creator makes btrfs iso images?

I would like to also have compression enabled after btrfs image in
transfered to hard drive or SSD.

Has anybody tried this?

Thank you in advanced,
Valent.

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[Alan Pevec]

On Sat, Apr 24, 2010 at 4:38 PM, Valent Turkovic
<valent.turkovic(a)gmail.com&gt; wrote:
>  Hi,
>  how to make Fedora 12 and Fedora 13 LiveCD/DVD that is btrfs formated
>  and not ext4?
>  What options need to be enables in kicstart file so that
>  livecd-creator makes btrfs iso images? 
Didn't try it, but should be enough to change fstype in fedora-live-base.ks
>  part / --size 3072 --fstype ext4 
Alan

[dexter]

On 25 April 2010 19:47, Alan Pevec <apevec gmail.com> wrote:
>  On Sat, Apr 24, 2010 at 4:38 PM, Valent Turkovic
>  <valent.turkovic gmail.com> wrote:
> > Hi,
> > how to make Fedora 12 and Fedora 13 LiveCD/DVD that is btrfs formated
> > and not ext4?
> > What options need to be enables in kicstart file so that
> > livecd-creator makes btrfs iso images?
>
>  Didn't try it, but should be enough to change fstype in fedora-live-base.ks
> > part / --size 3072 --fstype ext4
>
>  Alan 
CrossPosting:
A quick scan reveals adjusting fstype will not be enuff, btrfs uses
different userspace tools from ext[34] "btrfs-progs", so livecd-tools
will need a patch.

...dex

[Valent Turkovic]

On Tuesday, April 27, 2010, dexter <dex.mbox(a)googlemail.com&gt; wrote:
>  On 25 April 2010 19:47, Alan Pevec <apevec gmail.com> wrote:
> > On Sat, Apr 24, 2010 at 4:38 PM, Valent Turkovic
> > <valent.turkovic gmail.com> wrote:
> >> Hi,
> >> how to make Fedora 12 and Fedora 13 LiveCD/DVD that is btrfs formated
> >> and not ext4?
> >> What options need to be enables in kicstart file so that
> >> livecd-creator makes btrfs iso images?
> >
> > Didn't try it, but should be enough to change fstype in fedora-live-base.ks
> >> part / --size 3072 --fstype ext4
> >
> > Alan
>
>  CrossPosting:
>  A quick scan reveals adjusting fstype will not be enuff, btrfs uses
>  different userspace tools from ext[34] "btrfs-progs", so livecd-tools
>  will need a patch.
>
>  ...dex
>  --
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>  
is this an easy patch so we can expect it really soon or is it harder
and takes more time? When do you expect that we we will have btrfs
ready live DVD/CD.

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[Valent Turkovic]

On Thu, 29 Apr 2010 20:26:13 +0200, Valent Turkovic wrote:

>  is this an easy patch so we can expect it really soon or is it
> harder
>  and takes more time? When do you expect that we we will have btrfs ready
>  live DVD/CD. 
Any update for btrfs support?

Is it now possible to create Fedora Respin/Remix with BTRFS support?



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[Bruno Wolff III]

On Thu, Sep 23, 2010 at 12:06:19 +0000,
  Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
>  On Thu, 29 Apr 2010 20:26:13 +0200, Valent Turkovic wrote:
>  
>  > is this an easy patch so we can expect it really soon or is it harder
>  > and takes more time? When do you expect that we we will have btrfs ready
>  > live DVD/CD.
>  
>  Any update for btrfs support?
>  
>  Is it now possible to create Fedora Respin/Remix with BTRFS support? 
I don't remember pulling in a patch for that. So the answer is probably
no.

Are you talking about installing on a brtfs USB partition? If so syslinux
needs to support that as a prerequisite. I doubt that it does, but haven't
verified that. If you are talking about the file system embedded in the
the squashfs image, there is little point to that. If I was to work on
that aspect, I'd work on making things just use squashfs natively as there
is now xattr support on squashfs. (And I belive ways to have device nodes.)

[Valent Turkovic]

>  verified that. If you are talking about the file system embedded in
> the
>  the squashfs image, there is little point to that. If I was to work on
>  that aspect, I'd work on making things just use squashfs natively as there
>  is now xattr support on squashfs. (And I belive ways to have device nodes.) 
I'm wondering about making it work in squashfs so that users like me
can create Fedora LiveCD/USB Remix could be installed (copied) on SSD
drives. As LiveCD install only copies image I would like to have BRTFS
image what would be copied to netbook's ssd with enabled compression
and sdd option for BTRFS.

Is it possible to do that?



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[Bruno Wolff III]

On Thu, Sep 23, 2010 at 18:39:16 +0200,
  Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
>  
>  I'm wondering about making it work in squashfs so that users like me
>  can create Fedora LiveCD/USB Remix could be installed (copied) on SSD
>  drives. As LiveCD install only copies image I would like to have BRTFS
>  image what would be copied to netbook's ssd with enabled compression
>  and sdd option for BTRFS.
>  
>  Is it possible to do that? 
If we were to go down this route (and I am not committing to do any work
in this area), the plan should be to allow the install to go to any supported
file system type, regardless of what was used on the image itself. This would
be a necessary change if we stopped doing ext3 embedded in squashfs. I have
some interest in that, but its not high enough priority for me to say it
will ever rise to the top of my todo list.

P.S. I am keeping this just on the livecd list. That seems more appropriate
than the users list and it shouldn't be on both.

[Valent Turkovic]

Here is patch that Yang sent. They used this patch for Meego but I'm
not sure if it handles all issues because ther image is not btrfs even
it can be installed only on ext3 formated partition and not on btrfs
last time I checked:

Is this patch in latest mkliveinitrd in rawhide?

"Yang, Yi Y <yi.y.yang(a)intel.com&gt;
to	Valent Turkovic <valent.turkovic(a)gmail.com&gt;,
&quot;livecd(a)lists.fedoraproject.org&quot; <livecd(a)lists.fedoraproject.org&gt;
date	Mon, Jun 7, 2010 at 2:35 AM
subject	RE: [Fedora-livecd-list] how to enable btrfs for livecd ?
mailed-by	intel.com
hide details Jun 7
Mkinitrd has an issue for btrfs, here is the patch:

diff --git a/mkliveinitrd b/mkliveinitrd
index 66167be..ba575b4 100755
--- a/mkliveinitrd
+++ b/mkliveinitrd
@@ -667,7 +667,7 @@ do_live_from_base_loop() {

    # set up new /dev/root symlink
    rm -f /dev/root
-    ln -s /dev/mapper/live-rw /dev/root
+    ln -fs /dev/mapper/live-rw /dev/root

    mount -n  /dev/mapper/live-rw /sysroot
    # here you can modify the rw ext3 fs for testing if you don't want to

I don't know wht it is so, but it is really so :-)

For anaconda, I think you need to do some changes, but with this
patch, your live image should be able to boot normally."

On Thu, Sep 23, 2010 at 6:47 PM, Bruno Wolff III <bruno(a)wolff.to&gt; wrote:
>  On Thu, Sep 23, 2010 at 18:39:16 +0200,
>   Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
> >
> > I'm wondering about making it work in squashfs so that users like me
> > can create Fedora LiveCD/USB Remix could be installed (copied) on SSD
> > drives. As LiveCD install only copies image I would like to have BRTFS
> > image what would be copied to netbook's ssd with enabled compression
> > and sdd option for BTRFS.
> >
> > Is it possible to do that?
>
>  If we were to go down this route (and I am not committing to do any work
>  in this area), the plan should be to allow the install to go to any supported
>  file system type, regardless of what was used on the image itself. This would
>  be a necessary change if we stopped doing ext3 embedded in squashfs. I have
>  some interest in that, but its not high enough priority for me to say it
>  will ever rise to the top of my todo list.
>
>  P.S. I am keeping this just on the livecd list. That seems more appropriate
>  than the users list and it shouldn't be on both.
>  


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[Alan Pevec]

On Tue, Sep 28, 2010 at 1:42 PM, Valent Turkovic
<valent.turkovic(a)gmail.com&gt; wrote:
>  Is this patch in latest mkliveinitrd in rawhide? 
mkliveinitd is no more, dracut is the new initramfs generator

Besides that, I don't see how is that patch supposed to help :)
Bruno has nicely explained what should be be future work in this area
but I also don't see any urgency for that.

Alan

[Bruno Wolff III]

On Tue, Sep 28, 2010 at 15:00:41 +0200,
  Alan Pevec <apevec(a)gmail.com&gt; wrote:
>  
>  Besides that, I don't see how is that patch supposed to help :) 
That was my first thought as well. What else would the link have been
pointing to that replacing it would be necessary.

What I'd eventually like to see is that the live images just use squashfs
(instead of ext3 embedded in squashfs) and when doing an install, all of the
normal file systems are available.

[Valent Turkovic]

I would really love to see on Fedora 15 feature list bullet-point
* btrfs fedora livecd
OR
* create your btrfs livecd btrfs respin

Thank you guys for your answers.

Cheers,
Valent.

On Wed, Sep 29, 2010 at 4:52 AM, Bruno Wolff III <bruno(a)wolff.to&gt; wrote:
>  On Tue, Sep 28, 2010 at 15:00:41 +0200,
>   Alan Pevec <apevec(a)gmail.com&gt; wrote:
> >
> > Besides that, I don't see how is that patch supposed to help :)
>
>  That was my first thought as well. What else would the link have been
>  pointing to that replacing it would be necessary.
>
>  What I'd eventually like to see is that the live images just use squashfs
>  (instead of ext3 embedded in squashfs) and when doing an install, all of the
>  normal file systems are available.
>  --
>  livecd mailing list
>  livecd(a)lists.fedoraproject.org
>  https://admin.fedoraproject.org/mailman/listinfo/livecd
>  


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[Bruno Wolff III]

On Thu, Sep 30, 2010 at 14:21:44 +0200,
  Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
>  I would really love to see on Fedora 15 feature list bullet-point
>  * btrfs fedora livecd
>  OR
>  * create your btrfs livecd btrfs respin 
I can pretty much guaranty there won't be a "brtfs spin" regardless of
whether there is support of some kind for using brtfs on live images.
That isn't the kind of feature that we base spins on.

[Valent Turkovic]

On Thu, Sep 30, 2010 at 2:33 PM, Bruno Wolff III <bruno(a)wolff.to&gt; wrote:
>  On Thu, Sep 30, 2010 at 14:21:44 +0200,
>   Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
> > I would really love to see on Fedora 15 feature list bullet-point
> > * btrfs fedora livecd
> > OR
> > * create your btrfs livecd btrfs respin
>
>  I can pretty much guaranty there won't be a "brtfs spin" regardless of
>  whether there is support of some kind for using brtfs on live images.
>  That isn't the kind of feature that we base spins on. 
I know that spins aren't using that kind of features but I was more
thinking along the lines that users like me can make anykind of fedora
remix based even on btrfs that would be perfect for custom netbook
remixes.

Cheers,
Valent.

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[Bruno Wolff III]

On Fri, Oct 01, 2010 at 12:33:32 +0200,
  Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
>  On Thu, Sep 30, 2010 at 2:33 PM, Bruno Wolff III
> <bruno(a)wolff.to&gt; wrote:
>  > On Thu, Sep 30, 2010 at 14:21:44 +0200,
>  >  Valent Turkovic <valent.turkovic(a)gmail.com&gt; wrote:
>  >> I would really love to see on Fedora 15 feature list bullet-point
>  >> * btrfs fedora livecd
>  >> OR
>  >> * create your btrfs livecd btrfs respin
>  >
>  > I can pretty much guaranty there won't be a "brtfs spin" regardless
> of
>  > whether there is support of some kind for using brtfs on live images.
>  > That isn't the kind of feature that we base spins on.
>  
>  I know that spins aren't using that kind of features but I was more
>  thinking along the lines that users like me can make anykind of fedora
>  remix based even on btrfs that would be perfect for custom netbook
>  remixes. 
That could potentially happen if someone works on it.