diff --git a/hadoop-hdds/common/src/main/resources/ozone-default.xml b/hadoop-hdds/common/src/main/resources/ozone-default.xml
index 9b941a00cc..d6379795c7 100644
--- a/hadoop-hdds/common/src/main/resources/ozone-default.xml
+++ b/hadoop-hdds/common/src/main/resources/ozone-default.xml
@@ -642,17 +642,18 @@
exist then the OM will attempt to create it.
If undefined, then the OM will log a warning and fallback to
- ozone.metadata.dirs.
+ ozone.metadata.dirs. This fallback approach is not recommended for
+ production environments.
ozone.metadata.dirs
- OZONE, OM, SCM, CONTAINER, STORAGE
+ OZONE, OM, SCM, CONTAINER, STORAGE, REQUIRED
This setting is the fallback location for SCM, OM and DataNodes
- to store their metadata. This setting may be used in test/PoC clusters
- to simplify configuration.
+ to store their metadata. This setting may be used only in test/PoC
+ clusters to simplify configuration.
For production clusters or any time you care about performance, it is
recommended that ozone.om.db.dirs, ozone.scm.db.dirs and
@@ -694,7 +695,8 @@
does not exist then the SCM will attempt to create it.
If undefined, then the SCM will log a warning and fallback to
- ozone.metadata.dirs.
+ ozone.metadata.dirs. This fallback approach is not recommended for
+ production environments.
@@ -2275,8 +2277,10 @@
Directory where the Recon Server stores its metadata. This should
be specified as a single directory. If the directory does not
exist then the Recon will attempt to create it.
+
If undefined, then the Recon will log a warning and fallback to
- ozone.metadata.dirs.
+ ozone.metadata.dirs. This fallback approach is not recommended for
+ production environments.
@@ -2306,8 +2310,10 @@
Directory where the Recon Server stores its OM snapshot DB. This should
be specified as a single directory. If the directory does not
exist then the Recon will attempt to create it.
+
If undefined, then the Recon will log a warning and fallback to
- ozone.metadata.dirs.
+ ozone.metadata.dirs. This fallback approach is not recommended for
+ production environments.