diff --git a/linux/system/repo/contrail.yml b/linux/system/repo/contrail.yml
index b282fc8..82b16a5 100644
--- a/linux/system/repo/contrail.yml
+++ b/linux/system/repo/contrail.yml
@@ -1,6 +1,7 @@
 parameters:
   _param:
     linux_repo_contrail_component: oc30
+    contrail_repo_pin_priority: 200
   linux:
     system:
       repo:
@@ -8,3 +9,6 @@
           source: "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ ${_param:linux_system_codename} extra ${_param:linux_repo_contrail_component}"
           architectures: amd64
           key_url: "http://apt.tcpcloud.eu/public.gpg"
+          - pin: 'release c=oc30'
+            priority: ${_param:contrail_repo_pin_priority}
+            package: '*'
diff --git a/linux/system/repo/mos9.yml b/linux/system/repo/mos9.yml
index 9bc7c8c..3a3abe1 100644
--- a/linux/system/repo/mos9.yml
+++ b/linux/system/repo/mos9.yml
@@ -6,15 +6,27 @@
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0 main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0'
+#            priority: 1100
+#            package: '*'
         mirantis_openstack_hotfix:
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0-hotfix main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0-hotfix'
+#            priority: 1100
+#            package: '*'
         mirantis_openstack_security:
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0-security main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0-security'
+#            priority: 1100
+#            package: '*'
         mirantis_openstack_updates:
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0-updates main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0-updates'
+#            priority: 1100
+#            package: '*'
diff --git a/linux/system/repo_local/contrail.yml b/linux/system/repo_local/contrail.yml
index c78e68c..902c4d5 100644
--- a/linux/system/repo_local/contrail.yml
+++ b/linux/system/repo_local/contrail.yml
@@ -8,6 +8,6 @@
           refresh_db: ${_param:linux_repo_refresh_db}
           source: "deb [arch=amd64] http://${_param:local_repo_url}/contrail trusty main"
           pin:
-          - pin: 'release l=Local Contrail APT repository'
+          - pin: 'release l=contrail ubuntu-trusty'
             priority: ${_param:contrail_repo_pin_priority}
             package: '*'
diff --git a/linux/system/repo_local/mos8.yml b/linux/system/repo_local/mos8.yml
index 29c6636..ddefdb7 100644
--- a/linux/system/repo_local/mos8.yml
+++ b/linux/system/repo_local/mos8.yml
@@ -7,7 +7,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0'
+          - pin: 'release a=mos8.0'
             priority: 1100
             package: '*'
         #mos8_openstack_hotfix:
@@ -15,7 +15,7 @@
         #  architectures: amd64
         #  key_url: "http://${_param:local_repo_url}/public.gpg"
         #  pin:
-        #  - pin: 'release s=mos8.0-hotfix'
+        #  - pin: 'release a=mos8.0-hotfix'
         #    priority: 1100
         #    package: '*'
         mos8_openstack_proposed:
@@ -23,7 +23,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-proposed'
+          - pin: 'release a=mos8.0-proposed'
             priority: 1100
             package: '*'
         #mos8_openstack_security:
@@ -31,7 +31,7 @@
         #  architectures: amd64
         #  key_url: "http://${_param:local_repo_url}/public.gpg"
         #  pin:
-        #  - pin: 'release s=mos8.0-security'
+        #  - pin: 'release a=mos8.0-security'
         #    priority: 1100
         #    package: '*'
         mos8_openstack_updates:
@@ -39,7 +39,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-updates'
+          - pin: 'release a=mos8.0-updates'
             priority: 1100
             package: '*'
         #mos8_murano:
@@ -48,6 +48,6 @@
         #  architectures: amd64
         #  key_url: "http://${_param:local_repo_url}/public.gpg"
         #  pin:
-        #  - pin: 'release s=mos8.0-proposed'
+        #  - pin: 'release a=mos8.0-proposed'
         #    priority: 1100
-        #    package: '*'
\ No newline at end of file
+        #    package: '*'
diff --git a/linux/system/repo_local/mos9.yml b/linux/system/repo_local/mos9.yml
index 6886185..5b6cdac 100644
--- a/linux/system/repo_local/mos9.yml
+++ b/linux/system/repo_local/mos9.yml
@@ -7,7 +7,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos9.0'
+          - pin: 'release a=mos9.0'
             priority: 1100
             package: '*'
         mos9_openstack_hotfix:
@@ -15,7 +15,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos9.0-hotfix'
+          - pin: 'release a=mos9.0-hotfix'
             priority: 1100
             package: '*'
         mos9_openstack_proposed:
@@ -23,7 +23,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos9.0-proposed'
+          - pin: 'release a=mos9.0-proposed'
             priority: 1100
             package: '*'
         mos9_openstack_security:
@@ -31,7 +31,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos9.0-security'
+          - pin: 'release a=mos9.0-security'
             priority: 1100
             package: '*'
         mos9_openstack_updates:
@@ -39,7 +39,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos9.0-updates'
+          - pin: 'release a=mos9.0-updates'
             priority: 1100
             package: '*'
         mos9_murano:
@@ -48,6 +48,6 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-proposed'
+          - pin: 'release a=mos8.0-proposed'
             priority: 1100
             package: '*'
diff --git a/linux/system/repo_local/openstack.yml b/linux/system/repo_local/openstack.yml
index 4754d12..a873afb 100644
--- a/linux/system/repo_local/openstack.yml
+++ b/linux/system/repo_local/openstack.yml
@@ -10,7 +10,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0'
+          - pin: 'release a=mos8.0'
             priority: 1000
             package: '*'
         mirantis_openstack_hotfix:
@@ -19,7 +19,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-hotfix'
+          - pin: 'release a=mos8.0-hotfix'
             priority: 1000
             package: '*'
         mirantis_openstack_proposed:
@@ -28,7 +28,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-proposed'
+          - pin: 'release a=mos8.0-proposed'
             priority: 1000
             package: '*'
         mirantis_openstack_security:
@@ -37,7 +37,7 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-security'
+          - pin: 'release a=mos8.0-security'
             priority: 1000
             package: '*'
         mirantis_openstack_updates:
@@ -46,6 +46,6 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release s=mos8.0-updates'
+          - pin: 'release a=mos8.0-updates'
             priority: 1000
             package: '*'