Public bug reported:
== Comment: #0 - PAVAMAN SUBRAMANIYAM - 2017-01-16 03:58:57 ==
---Problem Description---
free -g is not showing swap space for btrfs filesystem installed as Guided
Partitioning of Ubuntu 17.04
---uname output---
Linux ltc-garri2 4.9.0-11-generic #12-Ubuntu SMP Mon Dec 12 16:16:45 UTC 2016
ppc64le ppc64le ppc64le GNU/Linux
Machine Type = P8
---Steps to Reproduce---
Install a P8 8335-GTB Hardware with Ubuntu17.04 OS.
Then check if the swap space is shown using free command.
root@ltc-garri2:~# free -g
total used free shared buff/cache available
Mem: 127 1 125 0 0 124
Swap: 0 0 0
I have selected Guided - use entire disk in Partition disks Menu while
installing Ubuntu 17.04.
Then selected the Partition to modify its filesystem settings to btrfs
journaling file system and created the same.
== Comment: #8 - Kevin W. Rudd - 2017-01-16 12:12:04 ==
Hello Canonical.
We had a couple of new bugs opened up recently (including this one) that
are related to the 17.04 change to using swapfiles instead of swap
partitions in certain cases. This is generating some confusion and
questions.
? Do you have a current release note document for 17.04 that outlines
this change and the various scenarios where a swap partition or volume
might still be needed?
Related to the above question, it appears that btrfs needs a special
mention for Zesty installs:
In the past, btrfs has been used for testing by simply changing the
filesystem chosen as part of the "Guided partitioning" option. This
will no longer work as a swap partition is not automatically created for
this option, and btrfs does not currently support swapfiles:
https://btrfs.wiki.kernel.org/index.php/FAQ#Does_btrfs_support_swap_files.3F
An entry documenting the need for manual partitioning (including a swap
partition) or recommending an LVM configuration for btrfs would probably
be helpful in this case.
** Affects: debian-installer (Ubuntu)
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Tags: architecture-ppc64le bugnameltc-150593 severity-high
targetmilestone-inin1704
** Tags added: architecture-ppc64le bugnameltc-150593 severity-high
targetmilestone-inin1704
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https://bugs.launchpad.net/bugs/1656915
Title:
17.04 free -g is not showing swap space for btrfs filesystem
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