diff -Naur rpm/tests/fc/fc.py oech/tests/fc/fc.py
--- rpm/tests/fc/fc.py	2022-08-01 17:27:14.639340460 +0800
+++ oech/tests/fc/fc.py	2022-08-01 17:25:50.615340460 +0800
@@ -20,6 +20,7 @@
 
 from hwcompatible.test import Test
 from hwcompatible.command import Command
+from hwcompatible.device import CertDevice
 
 
 class FCTest(Test):
@@ -102,10 +103,14 @@
         """
         self.disks = list()
         disks = list()
-        disk_info = Command("cd /sys/block; ls -l").read().split('\n')
-        for disk in disk_info:
-            if self.pci_num in disk:
-                disks.append(disk.split('/')[-1])
+        devices = CertDevice(self.logger).get_devices()
+        for device in devices:
+            if (device.get_property("DEVTYPE") == "disk" and not
+                    device.get_property("ID_TYPE")) or device.\
+                    get_property("ID_TYPE") == "disk":
+                if "/host" in device.get_property("DEVPATH") and \
+                        self.pci_num in device.get_property("DEVPATH"):
+                    disks.append(device.get_name())
 
         partition_file = open("/proc/partitions", "r")
         partition = partition_file.read()
diff -Naur rpm/tests/raid/raid.py oech/tests/raid/raid.py
--- rpm/tests/raid/raid.py	2022-08-01 17:27:14.643340460 +0800
+++ oech/tests/raid/raid.py	2022-08-01 17:25:50.615340460 +0800
@@ -20,6 +20,7 @@
 
 from hwcompatible.test import Test
 from hwcompatible.command import Command
+from hwcompatible.device import CertDevice
 
 
 class RaidTest(Test):
@@ -102,10 +103,14 @@
         """
         self.disks = list()
         disks = list()
-        disk_info = Command("cd /sys/block; ls -l").read().split('\n')
-        for disk in disk_info:
-            if self.pci_num in disk:
-                disks.append(disk.split('/')[-1])
+        devices = CertDevice(self.logger).get_devices()
+        for device in devices:
+            if (device.get_property("DEVTYPE") == "disk" and not
+                    device.get_property("ID_TYPE")) or device.\
+                    get_property("ID_TYPE") == "disk":
+                if "/host" in device.get_property("DEVPATH") and \
+                        self.pci_num in device.get_property("DEVPATH"):
+                    disks.append(device.get_name())
 
         partition_file = open("/proc/partitions", "r")
         partition = partition_file.read()
@@ -136,7 +141,6 @@
             if disk in mdstat or os.system("pvs 2>/dev/null | grep -q '/dev/%s'" % disk) == 0:
                 continue
             self.disks.append(disk)
-
         un_suitable = list(set(disks).difference(set(self.disks)))
         if len(un_suitable) > 0:
             self.logger.info("These disks %s are in use now, skip them." %