[Bug 1918990] Re: Curtin fails to deploy image when using an ext2 base filesystem due to swap.img

[Frank Heimes]

** Changed in: ubuntu-z-systems
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1918990

Title:
  Curtin fails to deploy image when using an ext2 base filesystem due to
  swap.img

Status in curtin:
  Fix Released
Status in MAAS:
  Fix Released
Status in Ubuntu on IBM z Systems:
  Fix Released

Bug description:
  I configured an IBM Z DPM Partition to use ext2 for / with no other
  filesystem. The deployment fails when Curtin is unable to create
  swap.img. While ext2 isn't widely used anymore we have had MAAS users
  that prefer to use a non-journaling filesystem.

  Running command ['sh', '-c', 'rm -f "$1" && umask 0066 && truncate -s 0 "$1" && { chattr +C "$1" || true; } && fallocate -l "${2}M" "$1" && mkswap "$1" || { r=$?; rm -f "$1"; exit $r; }', 'setup_swap', '/tmp/tmpry474p97/target//swap.img', '4096'] with allowed return codes [0] (capture=False)
  chattr: Operation not supported while setting flags on /tmp/tmpry474p97/target//swap.img
  fallocate: fallocate failed: Operation not supported
  creating swap file '/swap.img' of 4096MB took 0.006 seconds
  failed creating swap file '/swap.img' of 4096MB

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