instack-undercloud/doc/source/troubleshooting/troubleshooting-image-build.rst
Jiri Stransky 31d1558d04 Add docs for troubleshooting image building
Change-Id: Ic2d2e93f5cd0a5f436bb4927613063c481a95e68
2015-06-11 17:51:21 +02:00

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Troubleshooting Image Build
===========================
Images fail to build
--------------------
More space needed
^^^^^^^^^^^^^^^^^
Images are built in tmpfs by default, to speed up the builds. In case
your machine doesn't have enough free RAM, the image building step
can fail with a message like "At least 174MB more space needed on
the / filesystem". If freeing up more RAM isn't a possibility,
images can be built on disk by exporting an environment variable::
export DIB_NO_TMPFS=1