Same Null, Different Cloud

Fixing MSR 0xe1 to 0x0

Fixing MSR 0xe1 to 0x0

When running KVM in a nested virtualization you may run into the following error when attempting to launch machines. Example errorsqemu-system-x86_64: error: failed to set MSR 0x38d to 0x0qemu-kvm: error: failed to set MSR 0x48e ... What does this mean?This error is caused by MSRs not being available to the hypervisor, in this case a virtualized hypervisor. The FixTo resolve this...

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Nova-Compute + LVM, an IOPS Love Story

Nova-Compute + LVM, an IOPS Love Story

The OpenStack Nova project has long had the ability to provision instances into logical volumes however in my travels I've found most deployments don't use it as the go-to instance storage. However recently I've been asked by a couple folks how it can be done with OpenStack-Ansible. This post will will simply show how I would configure OpenStack-Ansible to deploy Nova-Compute using...

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Enable Automated Ironic Cleaning

Enable Automated Ironic Cleaning

Enabling the Ironic Automated cleaning in OpenStack-Ansible is recommended for every deployment. While this is an "optional" setting, it should be enabled for general stability and data security; if you're not familiar with the Ironic cleaning service please review the documentation found here. Sadly the automated cleaning service can not be enabled by default because it requires access to a...

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