[arch-releng] Call for test: archiso with dm-snapshot

[Gerardo Exequiel Pozzi]

On 06/14/2011 05:39 AM, Thomas Bächler wrote:
> Am 14.06.2011 06:51, schrieb Gerardo Exequiel Pozzi:
>> While in the union mount approach, if "tmpfs" (rw_branch) is full a
>> ENOSPC is reported, and nothing more. In this case, if in the device
>> where the "cow" file reside is full, and you write to the dev-mapper,
>> the system will crash, no ENOSPC is reported. OK?
> When a snapshot device becomes full, it "disappears". This means that
> reading and writing will fail (probably with EACCESS). As reading fails,
> your system crashes.
>
>> * Directory scheme or core-iso.
>>
>> ??? arch
>> ?   ??? aitab
>> ?   ??? any
>> ?   ?   ??? core-any-pkgs.sfs
>> ?   ?   ??? usr-share.fs.sfs
>> ?   ??? boot
>> ?   ?   ??? i686
>> ?   ?   ?   ??? archiso.img
>> ?   ?   ?   ??? vmlinuz26
>> ?   ?   ??? memtest
>> ?   ?   ??? memtest.COPYING
>> ?   ??? i686
>> ?       ??? core-pkgs.sfs
>> ?       ??? lib-modules.fs.sfs
>> ?       ??? root-image.fs.sfs
>> ??? syslinux
>>      ??? boot.cat
>>      ??? *.com
>>      ??? *.c32
>>      ??? *.0
>>      ??? hdt
>>      ?   ??? modalias.gz
>>      ?   ??? pciids.gz
>>      ??? isolinux.bin
>>      ??? memdisk
>>      ??? splash.png
>>      ??? syslinux.cfg
> I sent you incomplete work to move everything to /arch once. I want to
> include this, but never had the time to finish it.
>
> Basically, everything is moved to /arch/boot/syslinux instead of
> /syslinux. The /syslinux folder would only contain boot.cat,
> isolinux.bin and a small syslinux.cfg, that only launches
>
> CONFIG /arch/boot/syslinux/syslinux.cfg
> APPEND /arch/boot/syslinux/
>
> This 'cd's to /arch/boot/syslinux. This will make it easier to produce
> scripts that create a live USB by copying /arch to a flash drive, as
> /arch is self-contained and no config files need to be adjusted. Just
> copy /arch, adjust archisolabel and install syslinux into
> /arch/boot/syslinux/.
>
> If you have any more time for this, I would appreciate if you would take
> the work out of my hands.
>
I know about it, but if you insist I will do it, no problem.

I personally dislike the idea, since it is currently divided in a 
certain logical form(ArchLinux in one place, Syslinux in another), and 
serves the time to put several "Linux's" on the same storage medium, 
sharing the same bootloader

-- 
Gerardo Exequiel Pozzi
\cos^2\alpha + \sin^2\alpha = 1