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new 0b907bc0 HDDS-1581. Atleast one of the metadata dir config property
must be tagged as REQUIRED.
0b907bc0 is described below
commit 0b907bc0e85df899904e2aa3cd9b05758c30cdac
Author: dineshchitlangia <[email protected]>
AuthorDate: Thu May 30 11:39:19 2019 -0400
HDDS-1581. Atleast one of the metadata dir config property must be tagged
as REQUIRED.
---
.../common/src/main/resources/ozone-default.xml | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/hadoop-hdds/common/src/main/resources/ozone-default.xml
b/hadoop-hdds/common/src/main/resources/ozone-default.xml
index 9b941a0..d637979 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.
</description>
</property>
<property>
<name>ozone.metadata.dirs</name>
<value/>
- <tag>OZONE, OM, SCM, CONTAINER, STORAGE</tag>
+ <tag>OZONE, OM, SCM, CONTAINER, STORAGE, REQUIRED</tag>
<description>
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.
</description>
</property>
<property>
@@ -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.
</description>
</property>
<property>
@@ -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.
</description>
</property>
<property>
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