Increase docker devicemapper space when full
If you are using a docker environment that does not have the best-practice method of storage (docker controlling its own vg), but you still need to grow the space beyond what it currently is, there is still a way. Edit /etc/sysconfig/docker-storage :
DOCKER_STORAGE_OPTIONS = --storage-opt dm.loopdatasize=180GB
A colleague showed me that. It's not well-documented in my opinion, but I did find at least one other online reference: Increase disk size of docker containers when using device mapper [wordpress.com]
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