Error Initializing Docker: "devicemapper: Non existing device docker--vg-docker--pool"
Problem
Docker is failing to start with the following error message.
Environment
- Platform9 Managed Kubernetes - All Versions
- Docker
Cause
The prerequisite logical volume for Docker was not named correctly as per the storage options in /etc/docker/daemon.json.
Resolution
Note: The following scenarios assume that the logical volume name is intended to be docker-pool, as per the error message.
Option #1
- Rename the logical volume.
Option #2
- Modify /etc/docker/daemon.json to match the path of the logical volume that was created.
Additional Information
Preparing CentOS or RHEL 7 system for running Platform9 Managed Kubernetes
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