diff --git a/datastore_server/dist/etc/service.properties b/datastore_server/dist/etc/service.properties
index 69f74772688277beeaa68b7efed457fc6d837f74..1e1c0f7f0922df4323cc1e8a7eccb1bc18daad71 100644
--- a/datastore_server/dist/etc/service.properties
+++ b/datastore_server/dist/etc/service.properties
@@ -277,6 +277,28 @@ main-thread.incoming-data-completeness-condition = marker-file
 # <data-set-location>/original/UNKNOWN-NAME-20100307-1350
 #hierarchical-storage-updater.link-from-first-child.<dataset-type> = true
 
+# Maintenance task (performed only once) to create paths of existing data sets in pathinfo database
+path-info-feeding.class = ch.systemsx.cisd.etlserver.path.PathInfoDatabaseFeedingTask
+path-info-feeding.execute-only-once = true
+
+# Maintenance task for deleting entries in pathinfo database after deletion of data sets
+path-info-deletion.class = ch.systemsx.cisd.etlserver.plugins.DeleteFromExternalDBMaintenanceTask
+path-info-deletion.interval = 120
+path-info-deletion.data-source = path-info-db
+path-info-deletion.data-set-perm-id = CODE
+
+# Maintenance task for post registration of all paths of a freshly registered data set to be fed into pathinfo database  
+post-registration.class = ch.systemsx.cisd.etlserver.postregistration.PostRegistrationMaintenanceTask
+post-registration.interval = 30
+post-registration.cleanup-tasks-folder = targets/cleanup-tasks
+# The following date should the day when the DDS is started up the first time with PathInfoDatabaseFeedingTask.
+# After PathInfoDatabaseFeedingTask has been performed it can be removed and the following line can be deleted.
+post-registration.ignore-data-sets-before-date = 2011-04-18
+post-registration.last-seen-data-set-file = ../../last-seen-data-set-for-postregistration.txt
+post-registration.post-registration-tasks = pathinfo-feeding
+post-registration.pathinfo-feeding.class = ch.systemsx.cisd.etlserver.path.PathInfoDatabaseFeedingTask
+
+
 
 # ---------------- Plugin properties
 # The extractor class to use for code extraction
diff --git a/datastore_server/etc/service.properties b/datastore_server/etc/service.properties
index 62d5bb8ce8479d80ffde19aa74a6d9f5e5f0b79c..8fbde16638460d5cd4ed73af10233cdfdd82b816 100644
--- a/datastore_server/etc/service.properties
+++ b/datastore_server/etc/service.properties
@@ -399,4 +399,27 @@ auto-archiver.start = 23:00
 # only data sets that are older than specified number of days will be archived (default = 0)  
 #auto-archiver.older-than = 90
 # fully qualified class name of a policy that additionally filters data sets to be filtered
-#auto-archiver.policy.class = ch.systemsx.cisd.etlserver.plugins.DummyAutoArchiverPolicy
\ No newline at end of file
+#auto-archiver.policy.class = ch.systemsx.cisd.etlserver.plugins.DummyAutoArchiverPolicy
+
+# Maintenance task (performed only once) to create paths of existing data sets in pathinfo database
+path-info-feeding.class = ch.systemsx.cisd.etlserver.path.PathInfoDatabaseFeedingTask
+path-info-feeding.execute-only-once = true
+
+# Maintenance task for deleting entries in pathinfo database after deletion of data sets
+path-info-deletion.class = ch.systemsx.cisd.etlserver.plugins.DeleteFromExternalDBMaintenanceTask
+path-info-deletion.interval = 120
+path-info-deletion.data-source = path-info-db
+path-info-deletion.data-set-perm-id = CODE
+
+# Maintenance task for post registration of all paths of a freshly registered data set to be fed into pathinfo database  
+post-registration.class = ch.systemsx.cisd.etlserver.postregistration.PostRegistrationMaintenanceTask
+post-registration.interval = 30
+post-registration.cleanup-tasks-folder = targets/cleanup-tasks
+# The following date should the day when the DDS is started up the first time with PathInfoDatabaseFeedingTask.
+# After PathInfoDatabaseFeedingTask has been performed it can be removed and the following line can be deleted.
+post-registration.ignore-data-sets-before-date = 2011-04-18
+post-registration.last-seen-data-set-file = targets/last-seen-data-set
+post-registration.post-registration-tasks = pathinfo-feeding
+post-registration.pathinfo-feeding.class = ch.systemsx.cisd.etlserver.path.PathInfoDatabaseFeedingTask
+
+
diff --git a/datastore_server/source/sql/postgresql/001/schema-001.sql b/datastore_server/source/sql/postgresql/001/schema-001.sql
index e9819ba2788ecad4b4530ccfacaa90a6dfa7720e..6f7bca04ee173833adeb5bfa80dae8e1741c4588 100644
--- a/datastore_server/source/sql/postgresql/001/schema-001.sql
+++ b/datastore_server/source/sql/postgresql/001/schema-001.sql
@@ -43,3 +43,8 @@ CREATE TABLE DATA_SET_FILES (
 
 CREATE INDEX DATA_SET_FILES_RELATIVE_PATH_IDX ON DATA_SET_FILES (RELATIVE_PATH);
 CREATE INDEX DATA_SET_FILES_FILE_NAME_IDX ON DATA_SET_FILES (FILE_NAME);
+
+CREATE TABLE EVENTS (
+  LAST_SEEN_DELETION_EVENT_ID TECH_ID NOT NULL
+);
+