13. Troubleshooting

Humpty Dumpty sat on a wall,Humpty Dumpty had a great fall.All the king’s horses and all the king’s menCouldn’t put Humpty together again.English nursery rhyme

As we have learned, OpenStack is a complicated infrastructure project. Even if you followed the instructions in this book precisely and everything worked well, using OpenStack in production will not be the same. Troubleshooting your OpenStack deployment to find where failures are lurking is a vital skill.

Your tool box for debugging may include sifting through log files or running specific commands manually. There are also services such as OpenStack’s Identity (Keystone) and Networking (Neutron) that can cause failures throughout your infrastructure if there is a configuration ...

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