diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index 82ebcd0..d2e31ad 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -300,7 +300,7 @@
             self.validation_resources['keypair']['private_key'],
             server=server_no_eph_disk,
             servers_client=self.client)
-        partition_num = len(linux_client.get_partitions().split('\n'))
+        disks_num = len(linux_client.get_disks().split('\n'))
 
         # Explicit server deletion necessary for Juno compatibility
         self.client.delete_server(server_no_eph_disk['id'])
@@ -320,8 +320,8 @@
             self.validation_resources['keypair']['private_key'],
             server=server_with_eph_disk,
             servers_client=self.client)
-        partition_num_emph = len(linux_client.get_partitions().split('\n'))
-        self.assertEqual(partition_num + 1, partition_num_emph)
+        disks_num_eph = len(linux_client.get_disks().split('\n'))
+        self.assertEqual(disks_num + 1, disks_num_eph)
 
 
 class ServersTestManualDisk(ServersTestJSON):
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index 56ec8c6..1edadef 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -111,9 +111,9 @@
                 server=server,
                 servers_client=self.servers_client)
 
-            partitions = linux_client.get_partitions()
-            device_name_to_match = ' ' + self.device + '\n'
-            self.assertIn(device_name_to_match, partitions)
+            disks = linux_client.get_disks()
+            device_name_to_match = '\n' + self.device + ' '
+            self.assertIn(device_name_to_match, disks)
 
         self._detach_volume(server['id'], attachment['volumeId'])
         self.servers_client.stop_server(server['id'])
@@ -133,8 +133,8 @@
                 server=server,
                 servers_client=self.servers_client)
 
-            partitions = linux_client.get_partitions()
-            self.assertNotIn(device_name_to_match, partitions)
+            disks = linux_client.get_disks()
+            self.assertNotIn(device_name_to_match, disks)
 
     @test.idempotent_id('7fa563fe-f0f7-43eb-9e22-a1ece036b513')
     def test_list_get_volume_attachments(self):
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index 9ec217f..d8993bb 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -112,11 +112,22 @@
         output = self.exec_command('grep -c ^processor /proc/cpuinfo')
         return int(output)
 
-    def get_partitions(self):
-        # Return the contents of /proc/partitions
-        command = 'cat /proc/partitions'
+    def get_disks(self):
+        # Select root disk devices as shown by lsblk
+        command = 'lsblk -lb --nodeps'
         output = self.exec_command(command)
-        return output
+        selected = []
+        pos = None
+        for l in output.splitlines():
+            if pos is None and l.find("TYPE") > 0:
+                pos = l.find("TYPE")
+                # Show header line too
+                selected.append(l)
+            # lsblk lists disk type in a column right-aligned with TYPE
+            elif pos > 0 and l[pos:pos + 4] == "disk":
+                selected.append(l)
+
+        return "\n".join(selected)
 
     def get_boot_time(self):
         cmd = 'cut -f1 -d. /proc/uptime'
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index f2f17d2..c454ae2 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -66,10 +66,10 @@
         waiters.wait_for_server_status(self.servers_client,
                                        server['id'], 'ACTIVE')
 
-    def check_partitions(self):
+    def check_disks(self):
         # NOTE(andreaf) The device name may be different on different guest OS
-        partitions = self.linux_client.get_partitions()
-        self.assertEqual(1, partitions.count(CONF.compute.volume_device_name))
+        disks = self.linux_client.get_disks()
+        self.assertEqual(1, disks.count(CONF.compute.volume_device_name))
 
     def create_and_add_security_group_to_server(self, server):
         secgroup = self._create_security_group()
@@ -145,7 +145,7 @@
         self.linux_client = self.get_remote_client(
             floating_ip['ip'], private_key=keypair['private_key'])
 
-        self.check_partitions()
+        self.check_disks()
 
         # delete the floating IP, this should refresh the server addresses
         self.compute_floating_ips_client.delete_floating_ip(floating_ip['id'])
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index 0f2c78c..dff00e7 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -85,9 +85,9 @@
         ssh = self.get_remote_client(ip_address, private_key=private_key)
 
         def _func():
-            part = ssh.get_partitions()
-            LOG.debug("Partitions:%s" % part)
-            return CONF.compute.volume_device_name in part
+            disks = ssh.get_disks()
+            LOG.debug("Disks: %s" % disks)
+            return CONF.compute.volume_device_name in disks
 
         if not test_utils.call_until_true(_func,
                                           CONF.compute.build_timeout,
diff --git a/tempest/tests/common/utils/linux/test_remote_client.py b/tempest/tests/common/utils/linux/test_remote_client.py
index e59e08f..e4f4c04 100644
--- a/tempest/tests/common/utils/linux/test_remote_client.py
+++ b/tempest/tests/common/utils/linux/test_remote_client.py
@@ -107,13 +107,20 @@
         self.assertEqual(self.conn.get_number_of_vcpus(), 16)
         self._assert_exec_called_with('grep -c ^processor /proc/cpuinfo')
 
-    def test_get_partitions(self):
-        proc_partitions = """major minor  #blocks  name
+    def test_get_disks(self):
+        output_lsblk = """\
+NAME       MAJ:MIN    RM          SIZE RO TYPE MOUNTPOINT
+sda          8:0       0  128035676160  0 disk
+sdb          8:16      0 1000204886016  0 disk
+sr0         11:0       1    1073741312  0 rom"""
+        result = """\
+NAME       MAJ:MIN    RM          SIZE RO TYPE MOUNTPOINT
+sda          8:0       0  128035676160  0 disk
+sdb          8:16      0 1000204886016  0 disk"""
 
-8        0  1048576 vda"""
-        self.ssh_mock.mock.exec_command.return_value = proc_partitions
-        self.assertEqual(self.conn.get_partitions(), proc_partitions)
-        self._assert_exec_called_with('cat /proc/partitions')
+        self.ssh_mock.mock.exec_command.return_value = output_lsblk
+        self.assertEqual(self.conn.get_disks(), result)
+        self._assert_exec_called_with('lsblk -lb --nodeps')
 
     def test_get_boot_time(self):
         booted_at = 10000