Docker Server Runtime: Difference between revisions
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/etc/sysconfig/docker-storage | /etc/sysconfig/docker-storage | ||
= | =Storage= | ||
/var/lib/docker | /var/lib/docker | ||
<font color=red>How do I know that the space consumed for images and containers is allocated in the thin pool, on the different physical device, and not in /var/lib/docker on the root filesystem. | <font color=red> | ||
How do I know that the space consumed for images and containers is allocated in the thin pool, on the different physical device, and not in /var/lib/docker on the root filesystem. | |||
Verify after a while that stuff is stored in external storage. | |||
</font> | </font> | ||
Latest revision as of 02:29, 30 June 2017
Internal
Process
OpenShift Docker
root 1150 1 0 12:06 ? 00:00:00 /usr/bin/dockerd-current
--add-runtime docker-runc=/usr/libexec/docker/docker-runc-current
--default-runtime=docker-runc
--authorization-plugin=rhel-push-plugin
--exec-opt native.cgroupdriver=systemd
--userland-proxy-path=/usr/libexec/docker/docker-proxy-current
--selinux-enabled
--log-driver=journald
--signature-verification=false
--storage-driver devicemapper
--storage-opt dm.fs=xfs
--storage-opt dm.thinpooldev=/dev/mapper/docker_vg-docker--pool
--storage-opt dm.use_deferred_removal=true
--add-registry registry.access.redhat.com
root 1174 1150 0 12:06 ? 00:00:00 /usr/bin/docker-containerd-current
-l unix:///var/run/docker/libcontainerd/docker-containerd.sock
--shim docker-containerd-shim
--metrics-interval=0
--start-timeout 2m
--state-dir /var/run/docker/libcontainerd/containerd
--runtime docker-runc
--runtime-args --systemd-cgroup=true
Configuration
/etc/docker
/etc/sysconfig/docker-storage
Storage
/var/lib/docker
How do I know that the space consumed for images and containers is allocated in the thin pool, on the different physical device, and not in /var/lib/docker on the root filesystem.
Verify after a while that stuff is stored in external storage.
Logging
Container logs: /var/lib/docker/containers/<hash>/<hash>-json.log