diff --git a/SAS/TMSS/src/tmss/tmssapp/migrations/0001_initial.py b/SAS/TMSS/src/tmss/tmssapp/migrations/0001_initial.py
index 976ba4967af2548f7c1768c80b9f2ad8f6d03255..e60f7e026f18dde7e769d88e8a3b6b73364971c5 100644
--- a/SAS/TMSS/src/tmss/tmssapp/migrations/0001_initial.py
+++ b/SAS/TMSS/src/tmss/tmssapp/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 3.0.9 on 2020-11-26 16:26
+# Generated by Django 3.0.9 on 2020-12-01 05:41
 
 from django.conf import settings
 import django.contrib.postgres.fields
@@ -1214,12 +1214,12 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dataproducttransform',
             name='input',
-            field=models.ForeignKey(help_text='A dataproduct that was the input of a transformation.', on_delete=django.db.models.deletion.PROTECT, related_name='inputs', to='tmssapp.Dataproduct'),
+            field=models.ForeignKey(help_text='A dataproduct that was the input of a transformation.', on_delete=django.db.models.deletion.PROTECT, related_name='consumers', to='tmssapp.Dataproduct'),
         ),
         migrations.AddField(
             model_name='dataproducttransform',
             name='output',
-            field=models.ForeignKey(help_text='A dataproduct that was produced from the input dataproduct.', on_delete=django.db.models.deletion.PROTECT, related_name='outputs', to='tmssapp.Dataproduct'),
+            field=models.ForeignKey(help_text='A dataproduct that was produced from the input dataproduct.', on_delete=django.db.models.deletion.PROTECT, related_name='producers', to='tmssapp.Dataproduct'),
         ),
         migrations.AddConstraint(
             model_name='dataproductspecificationstemplate',
@@ -1233,7 +1233,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dataproducthash',
             name='dataproduct',
-            field=models.ForeignKey(help_text='The dataproduct to which this hash refers.', on_delete=django.db.models.deletion.PROTECT, to='tmssapp.Dataproduct'),
+            field=models.ForeignKey(help_text='The dataproduct to which this hash refers.', on_delete=django.db.models.deletion.PROTECT, related_name='hash', to='tmssapp.Dataproduct'),
         ),
         migrations.AddConstraint(
             model_name='dataproductfeedbacktemplate',
@@ -1242,7 +1242,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='dataproductarchiveinfo',
             name='dataproduct',
-            field=models.ForeignKey(help_text='A dataproduct residing in the archive.', on_delete=django.db.models.deletion.PROTECT, to='tmssapp.Dataproduct'),
+            field=models.OneToOneField(help_text='A dataproduct residing in the archive.', on_delete=django.db.models.deletion.PROTECT, related_name='archive_info', to='tmssapp.Dataproduct'),
         ),
         migrations.AddField(
             model_name='dataproduct',
diff --git a/SAS/TMSS/src/tmss/tmssapp/models/scheduling.py b/SAS/TMSS/src/tmss/tmssapp/models/scheduling.py
index c59d3080844977ea6dd226bfc44279474f93023f..4930b0a7887f41dbdde9ddca6b8e4bbb6217d630 100644
--- a/SAS/TMSS/src/tmss/tmssapp/models/scheduling.py
+++ b/SAS/TMSS/src/tmss/tmssapp/models/scheduling.py
@@ -82,6 +82,7 @@ class Algorithm(AbstractChoice):
     class Choices(Enum):
         MD5 = 'md5'
         AES256 = 'aes256'
+        ADLER32 = 'adler32'
 
 
 #
@@ -354,8 +355,8 @@ class DataproductTransform(BasicCommon):
     Each output dataproduct of a Subtask is linked to the input dataproducts that are used to produce it.
     These transforms encode the provenance information needed when tracking dependencies between dataproducts.
     """
-    input = ForeignKey('Dataproduct', related_name='inputs', on_delete=PROTECT, help_text='A dataproduct that was the input of a transformation.')
-    output = ForeignKey('Dataproduct',  related_name='outputs', on_delete=PROTECT, help_text='A dataproduct that was produced from the input dataproduct.')
+    input = ForeignKey('Dataproduct', related_name='consumers', on_delete=PROTECT, help_text='A dataproduct that was the input of a transformation.')
+    output = ForeignKey('Dataproduct',  related_name='producers', on_delete=PROTECT, help_text='A dataproduct that was produced from the input dataproduct.')
     identity = BooleanField(help_text='TRUE if this transform only copies, tars, or losslessly compresses its input, FALSE if the transform changes the data. Allows for efficient reasoning about data duplication.')
 
 
@@ -377,14 +378,14 @@ class Cluster(NamedCommon):
 
 
 class DataproductArchiveInfo(BasicCommon):
-    dataproduct = ForeignKey('Dataproduct', on_delete=PROTECT, help_text='A dataproduct residing in the archive.')
+    dataproduct = OneToOneField('Dataproduct', related_name='archive_info', on_delete=PROTECT, help_text='A dataproduct residing in the archive.')
     storage_ticket = CharField(max_length=128, help_text='Archive-system identifier.')
     public_since = DateTimeField(null=True, help_text='Dataproduct is available for public download since this moment, or NULL if dataproduct is not (NULLable).')
     corrupted_since = DateTimeField(null=True, help_text='Earliest timestamp from which this dataproduct is known to be partially or fully corrupt, or NULL if dataproduct is not known to be corrupt (NULLable).')
 
 
 class DataproductHash(BasicCommon):
-    dataproduct = ForeignKey('Dataproduct', on_delete=PROTECT, help_text='The dataproduct to which this hash refers.')
+    dataproduct = ForeignKey('Dataproduct', related_name='hash', on_delete=PROTECT, help_text='The dataproduct to which this hash refers.')
     algorithm = ForeignKey('Algorithm', null=False, on_delete=PROTECT, help_text='Algorithm used (MD5, AES256).')
     hash = CharField(max_length=128, help_text='Hash value.')