Swap creation fails on CentOS AIO

[Antony Messerli]

Create swap file fails when doing a CentOS 7 AIO on latest master:

TASK [bootstrap-host : Create swap file] ***************************************
Friday 24 February 2017 17:18:00 +0000 (0:00:00.241) 0:03:30.119 *******
fatal: [localhost]: FAILED! => {"changed": true, "cmd": ["dd", "if=/dev/zero", "of=/openstack/swap.img", "bs=4G", "count=1"], "delta": "0:00:00.010265", "end": "2017-02-24 17:18:01.202648", "failed": true, "rc": 1, "start": "2017-02-24 17:18:01.192383", "stderr": "dd: memory exhausted by input buffer of size 4294967296 bytes (4.0 GiB)", "stdout": "", "stdout_lines": [], "warnings": []}

Using dd if=/dev/zero of=/openstack/swap.img bs=1M count=4000 instead works.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/463774

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/463774
Committed: https://git.openstack.org/cgit/openstack/openstack-ansible/commit/?id=e56dc09cb32e25eb95bb626acb0a997e2e55a921
Submitter: Jenkins
Branch: master

commit e56dc09cb32e25eb95bb626acb0a997e2e55a921
Author: Chris Edillon <email address hidden>
Date: Wed May 10 14:36:01 2017 +0000

    Change swap creation command for CentOS

    Changed the dd command arguments for swap file creation on CentOS 7
    to use multiple smaller blocks that equal bootstrap_host_swap_size
    to work around a memory exhaustion issue

    Change-Id: I4f4750f74d31421c428cb75b7a2176d262ea79ec
    Closes-Bug: #1667747

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/ocata
Review: https://review.openstack.org/465665

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/465665
Committed: https://git.openstack.org/cgit/openstack/openstack-ansible/commit/?id=b8b82a32bad9a6ed58274f7cb1d3e04e18a7d164
Submitter: Jenkins
Branch: stable/ocata

commit b8b82a32bad9a6ed58274f7cb1d3e04e18a7d164
Author: Chris Edillon <email address hidden>
Date: Wed May 10 14:36:01 2017 +0000

    Change swap creation command for CentOS

    Changed the dd command arguments for swap file creation on CentOS 7
    to use multiple smaller blocks that equal bootstrap_host_swap_size
    to work around a memory exhaustion issue

    Combined backport of:
    - https://review.openstack.org/463774
    - https://review.openstack.org/465168

    Change-Id: I4f4750f74d31421c428cb75b7a2176d262ea79ec
    Closes-Bug: #1667747
    (cherry picked from commit e56dc09cb32e25eb95bb626acb0a997e2e55a921)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/openstack-ansible 15.1.4 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/openstack-ansible 16.0.0.0b2 development milestone.

[Satish Patel (satish-txt)]

I have tried 16.0.0.0b2 and getting same error.