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-rw-r--r--README_CONTAINERIZED_INSTALLATION.md10
1 files changed, 7 insertions, 3 deletions
diff --git a/README_CONTAINERIZED_INSTALLATION.md b/README_CONTAINERIZED_INSTALLATION.md
index 5f51b9507..56f25546c 100644
--- a/README_CONTAINERIZED_INSTALLATION.md
+++ b/README_CONTAINERIZED_INSTALLATION.md
@@ -84,9 +84,13 @@ _/usr/share/openshift/examples_ because that is read-only on Atomic Host.
### Storage Requirements
-Atomic Host installs normally have a very small root filesystem. However the
-etcd, master, and node containers will persist data in /var/lib. Please ensure
-that you have enough space on the root filesystem.
+Atomic Host installs by default have a small root filesystem. However
+the etcd, master, and node containers will persist data in
+`/var/lib`. Please ensure that you have enough space on the root
+filesystem. This is usually handled by
+[docker-storage-setup](https://github.com/projectatomic/docker-storage-setup/);
+set e.g. `ROOT_SIZE=20G` in `/etc/sysconfig/docker-storage-setup` in
+early host boot, such as inside a `cloud-init` boot hook.
### OpenvSwitch SDN Initialization