cadvisor failed to mount /var/lib/docker

[sangshuduo]

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env: Ubuntu 20.04 docker 20.10.12, build e91ed5707e docker-compose version 1.29.2, build unknown

$ docker-compose up -d Creating network "monitoring" with the default driver Creating network "docker-monitoring-stack-gpnc_default" with the default driver Creating cadvisor ... error Creating alertmanager ... Creating node-exporter ... Creating alertmanager ... done Creating node-exporter ... done Creating redis ... done Creating prometheus ... done Creating grafana ... done

ERROR: for cadvisor Cannot start service cadvisor: error while creating mount source path '/var/lib/docker': mkdir /var/lib/docker: read-only file system ERROR: Encountered errors while bringing up the project.