openstack/instack-undercloud
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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