OpenStack MySQL (MariaDB Galera Cluster) Recovery Problem: Your MySQL Secondary Database will not start because of disk space, InnoDB problems, etc. This hit me when the Keystone token cleanup got fouled up and I ended up with 900K expired token …
Found a number of references but here’s the recipe from zero to hero. References Useful writeup on CentOS 7: https://ask.openstack.org/en/question/67682/docker-setup-on-kilo/ Discussion of Docker storage: http://www.projectatomic.io/blog/2015/06/notes-on-fedora-centos-and-docker-storage-drivers/ Writeup on resize Docker storage: https://jpetazzo.github.io/2014/01/29/docker-device-mapper-resize/ CentOS 7 bug with overlayfs on XFS filesystem (obviates …
Hi All. Here are some interesting one-liners I’ve used. Hope they help! And by “one-liner”, of course, I mean “a bunch of commands all typed on one line” 🙂 All one-liners assume you have sourced in your RC file so …
Hi All! A detailed article to integrate OpenStack tenants with Nagios! While my promised articles on implementing High Availability within OpenStack (which I’ve done now for Icehouse and Kilo) are still just in my brain, here’s something else to keep …
Here is a writeup on what I did to implement HA within OpenStack Icehouse. I’m currently working on revamping / automating the entire process for Kilo – but that will be a while from now. We’ll walk through the entire …
Today’s adventure is on the Mac OSX Mavericks, we tried to install OpenStack client tools and had some failures. Read on to see how we work around it.
Hi All. Today’s adventure touches on a common OpenStack Neutron theme: “I just created a VM. It’s running. It says it has an IP address. And I can’t ping it!!” Read on for tips on debugging Neutron DHCP Failures on …
Hi All! Today’s post is a quick script to show how you can get all your OpenStack VMs and their state in a single command. Check it out!
Have you ever assigned a “floating” IP on your external network to an OpenStack VM…but not been able to ping it? Read our article for info on how we workaround the problem!
Hello All – today’s post is on identifying and removing Glance images that are truly not used anywhere, such as when deleting a project (tenant) without first deleting private images within that project. Check out our script!