diff --git a/hadoop-ozone/interface-storage/pom.xml b/hadoop-ozone/interface-storage/pom.xml
new file mode 100644
index 000000000000..43ba408dcba6
--- /dev/null
+++ b/hadoop-ozone/interface-storage/pom.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License. See accompanying LICENSE file.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+    https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.hadoop</groupId>
+    <artifactId>hadoop-ozone</artifactId>
+    <version>1.1.0-SNAPSHOT</version>
+  </parent>
+  <artifactId>hadoop-ozone-interface-storage</artifactId>
+  <version>1.1.0-SNAPSHOT</version>
+  <description>Apache Hadoop Ozone Storage Interface</description>
+  <name>Apache Hadoop Ozone Storage Interface</name>
+  <packaging>jar</packaging>
+  <dependencies>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-ozone-common</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-ozone-interface-client</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-hdds-server-framework</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-hdds-hadoop-dependency-test</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-hdds-server-scm</artifactId>
+      <scope>test</scope>
+      <type>test-jar</type>
+    </dependency>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+</project>
\ No newline at end of file
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/OMMetadataManager.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OMTransactionInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OMTransactionInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OMTransactionInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OMTransactionInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmBucketInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmBucketInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmBucketInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmBucketInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmKeyInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmKeyInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmKeyInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmKeyInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmMultipartKeyInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmMultipartKeyInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmMultipartKeyInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmMultipartKeyInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmPrefixInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmPrefixInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmPrefixInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmPrefixInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmVolumeArgsCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmVolumeArgsCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/OmVolumeArgsCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/OmVolumeArgsCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/RepeatedOmKeyInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/RepeatedOmKeyInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/RepeatedOmKeyInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/RepeatedOmKeyInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/S3SecretValueCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/S3SecretValueCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/S3SecretValueCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/S3SecretValueCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/TokenIdentifierCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/TokenIdentifierCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/TokenIdentifierCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/TokenIdentifierCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/UserVolumeInfoCodec.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/UserVolumeInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/UserVolumeInfoCodec.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/UserVolumeInfoCodec.java
diff --git a/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java
new file mode 100644
index 000000000000..904e6f0168b4
--- /dev/null
+++ b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * <p>
+ * Utility classes to encode/decode DTO objects to/from byte array.
+ */
+
+/**
+ * Utility classes to encode/decode DTO objects to/from byte array.
+ */
+package org.apache.hadoop.ozone.om.codec;
diff --git a/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/package-info.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/package-info.java
new file mode 100644
index 000000000000..df494638ec02
--- /dev/null
+++ b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * <p>
+ * Utility classes to encode/decode DTO objects to/from byte array.
+ */
+
+/**
+ * OMMetadataManager.
+ */
+package org.apache.hadoop.ozone.om;
\ No newline at end of file
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java
rename to hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java
index 9b225c82a819..c0db0db74366 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java
+++ b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java
@@ -20,10 +20,10 @@
 
 import com.google.common.base.Preconditions;
 import org.apache.hadoop.hdds.StringUtils;
-import org.apache.hadoop.ozone.om.OMMetadataManager;
 
 import java.io.IOException;
 import java.util.Objects;
+import org.apache.hadoop.ozone.om.OMMetadataManager;
 import org.apache.ratis.server.protocol.TermIndex;
 
 import static org.apache.hadoop.ozone.OzoneConsts.TRANSACTION_INFO_KEY;
diff --git a/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/ratis/package-info.java b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/ratis/package-info.java
new file mode 100644
index 000000000000..4b28d470e006
--- /dev/null
+++ b/hadoop-ozone/interface-storage/src/main/java/org/apache/hadoop/ozone/om/ratis/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * <p>
+ * Utility classes to encode/decode DTO objects to/from byte array.
+ */
+
+/**
+ * OMTransactionInfo.
+ */
+package org.apache.hadoop.ozone.om.ratis;
\ No newline at end of file
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOMTransactionInfoCodec.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOMTransactionInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOMTransactionInfoCodec.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOMTransactionInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmKeyInfoCodec.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmKeyInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmKeyInfoCodec.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmKeyInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmMultipartKeyInfoCodec.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmMultipartKeyInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmMultipartKeyInfoCodec.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmMultipartKeyInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmPrefixInfoCodec.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmPrefixInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmPrefixInfoCodec.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestOmPrefixInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestRepeatedOmKeyInfoCodec.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestRepeatedOmKeyInfoCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestRepeatedOmKeyInfoCodec.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestRepeatedOmKeyInfoCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestS3SecretValueCodec.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestS3SecretValueCodec.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/TestS3SecretValueCodec.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/TestS3SecretValueCodec.java
diff --git a/hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/package-info.java b/hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/package-info.java
similarity index 100%
rename from hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/codec/package-info.java
rename to hadoop-ozone/interface-storage/src/test/java/org/apache/hadoop/ozone/om/codec/package-info.java
diff --git a/hadoop-ozone/ozone-manager/pom.xml b/hadoop-ozone/ozone-manager/pom.xml
index d01569ae0987..0d239d07fdda 100644
--- a/hadoop-ozone/ozone-manager/pom.xml
+++ b/hadoop-ozone/ozone-manager/pom.xml
@@ -52,6 +52,11 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>hadoop-hdds-interface-client</artifactId>
     </dependency>
 
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-ozone-interface-storage</artifactId>
+    </dependency>
+
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-hdds-test-utils</artifactId>
diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java
index df6ed9c54147..030d48445e21 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/codec/package-info.java
@@ -21,4 +21,7 @@
 /**
  * Utility classes to encode/decode DTO objects to/from byte array.
  */
+/**
+ * OM DB definitions.
+ */
 package org.apache.hadoop.ozone.om.codec;
\ No newline at end of file
diff --git a/hadoop-ozone/pom.xml b/hadoop-ozone/pom.xml
index f5dccb6eced5..240c74ca30f8 100644
--- a/hadoop-ozone/pom.xml
+++ b/hadoop-ozone/pom.xml
@@ -31,6 +31,7 @@
   </properties>
   <modules>
     <module>interface-client</module>
+    <module>interface-storage</module>
     <module>common</module>
     <module>client</module>
     <module>ozone-manager</module>
@@ -71,6 +72,11 @@
         <artifactId>hadoop-ozone-interface-client</artifactId>
         <version>${ozone.version}</version>
       </dependency>
+      <dependency>
+        <groupId>org.apache.hadoop</groupId>
+        <artifactId>hadoop-ozone-interface-storage</artifactId>
+        <version>${ozone.version}</version>
+      </dependency>
       <dependency>
         <groupId>org.apache.hadoop</groupId>
         <artifactId>hadoop-ozone-ozone-manager</artifactId>