Dell EMC: Deprecate volume drivers for EOL products

The following three volume drivers are no longer supported, because
the storage products are now EOL[1].

 - Dell SC Series Storage Driver (iSCSI, FC)
 - Dell VNX Storage Driver (FC, iSCSI)
 - Dell XtremeIO Storage Driver (iSCSI, FC)

This change marks these drivers unsupported, so that we can remove
these drivers after 2024.1 release.

[1] https://lists.openstack.org/archives/list/openstack-discuss@lists.openstack.org/thread/7D7GUOI66BOD7Z3ZQWPWYYHH6VHAY4JJ/

Change-Id: I763278ec72adaf6f2ddd21edbfc687ca2f17f09a

cinder/volume/drivers/dell_emc/sc/storagecenter_fc.py

@@ -74,6 +74,8 @@ class SCFCDriver(storagecenter_common.SCCommonDriver,
 
     CI_WIKI_NAME = "DellEMC_SC_CI"
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         super(SCFCDriver, self).__init__(*args, **kwargs)
         self.backend_name =\

cinder/volume/drivers/dell_emc/sc/storagecenter_iscsi.py

@@ -72,6 +72,8 @@ class SCISCSIDriver(storagecenter_common.SCCommonDriver,
     VERSION = '4.1.2'
     CI_WIKI_NAME = "DellEMC_SC_CI"
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         super(SCISCSIDriver, self).__init__(*args, **kwargs)
         self.backend_name = (

cinder/volume/drivers/dell_emc/vnx/driver.py

@@ -95,6 +95,8 @@ class VNXDriver(driver.ManageableVD,
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "DellEMC_VNX_CI"
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         super(VNXDriver, self).__init__(*args, **kwargs)
         utils.init_ops(self.configuration)

cinder/volume/drivers/dell_emc/xtremio.py

@@ -437,6 +437,8 @@ class XtremIOVolumeDriver(san.SanDriver):
     driver_name = 'XtremIO'
     MIN_XMS_VERSION = [3, 0, 0]
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         super(XtremIOVolumeDriver, self).__init__(*args, **kwargs)
         self.configuration.append_config_values(XTREMIO_OPTS)

doc/source/reference/support-matrix.ini

@@ -250,13 +250,13 @@ driver.dell_emc_powermax=complete
 driver.dell_emc_powerstore=complete
 driver.dell_emc_powerstore_nfs=complete
 driver.dell_emc_powervault=complete
-driver.dell_emc_sc=complete
+driver.dell_emc_sc=missing
 driver.dell_emc_unity=complete
 driver.dell_emc_vmax_af=complete
 driver.dell_emc_vmax_3=complete
-driver.dell_emc_vnx=complete
+driver.dell_emc_vnx=missing
 driver.dell_emc_powerflex=complete
-driver.dell_emc_xtremio=complete
+driver.dell_emc_xtremio=missing
 driver.fujitsu_eternus=complete
 driver.fungible=complete
 driver.hitachi_vsp=complete

releasenotes/notes/deprecate-dell-emc-drivers-caracal-a575e95cd61ac1d8.yaml

@@ -0,0 +1,19 @@
+---
+upgrade:
+  - |
+    The ``enable_unsupported_driver`` option will need to be set to ``True`` in
+    the driver's section in cinder.conf to continue to use the following
+    three drivers.
+
+    - Dell SC Series Storage Driver (iSCSI, FC)
+    - Dell VNX Storage Driver (FC, iSCSI)
+    - Dell XtremeIO Storage Driver (iSCSI, FC)
+
+deprecations:
+  - |
+    The following three drivers were marked unsupported. These drivers are
+    deprecated and will be removed in a future release.
+
+    - Dell SC Series Storage Driver (iSCSI, FC)
+    - Dell VNX Storage Driver (FC, iSCSI)
+    - Dell XtremeIO Storage Driver (iSCSI, FC)