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8 authors
  1. Jul 18, 2015
  3. Jul 09, 2015
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  17. Jan 27, 2015
    • Gerardo Pozzi's avatar
      [archiso] Rename cowfile_size to cow_spacesize= · 9322a0d3
      Gerardo Pozzi authored 
      
The name is more relevant since the usage is shared for both
dm-snapshot and overlayfs.

Signed-off-by: default avatarGerardo Exequiel Pozzi <vmlinuz386@gmail.com>
      9322a0d3
    • Gerardo Pozzi's avatar
      [archiso] Add optional OverlayFS support · a637bdb8
      Gerardo Pozzi authored 
      
This is the first attemp to test overlayfs in archiso.
The current dm-snapshot mode is keep and is enabled by default,
while the new mode is enabled via "-s sfs" to mkarchiso.
No new boot parameters are added, since archiso hooks detects
if the .sfs file is for dm-snapshot (airootfs.img inside)
or for overlayfs.
Persistence is supported in overlayfs mode using the same options
(cowlabel or cowdevice), but warning while in dm-snapshot mode,
only one file is used (airootfs.cow), in overlayfs mode internal
files for workdir/ and upperdir/ are allocated, so you can not use
VFAT or NTFS.

To test this, you need to enable [testing] in pacman.conf from
releng profile and edit build.sh then add "-s sfs" in make_prepare()

Look at:
    setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -D "${install_dir}" prepare
Replace with:
    setarch ${arch} mkarchiso ${verbose} -w "${work_dir}" -s sfs -D "${install_dir}" prepare

The build requires just half of space that the build for dm-snapshot,
since there is no ext4 img ;)

Just to remember: there is no space gain in .sfs (just about 2M)

There is at least one thing during boot with machine-id service:
Dec 24 03:31:39 archiso systemd-machine-id-commit[183]: Failed to unmount transient /etc/machine-id file in our private namespace: Invalid argument

Signed-off-by: default avatarGerardo Exequiel Pozzi <vmlinuz386@gmail.com>
      a637bdb8
  19. Jan 02, 2015
  21. Dec 21, 2014
  23. Dec 13, 2014
  25. Nov 01, 2014
  27. Oct 29, 2014
  29. Oct 14, 2014
  31. Sep 02, 2014
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  35. Aug 22, 2014
  37. Aug 12, 2014
  39. Aug 08, 2014
  41. Jul 28, 2014
  43. Jul 26, 2014
  45. Jun 28, 2014