diff --git a/client/bin/autotest_utils.py b/client/bin/autotest_utils.py
index 24e6b27..f24ea5f 100755
--- a/client/bin/autotest_utils.py
+++ b/client/bin/autotest_utils.py
@@ -552,6 +552,10 @@
 	else:
 		raise TestError('Could not get valid cpu family data')
 
+def get_disks():
+	df_output = system_output('df')
+	disk_re = re.compile(r'^(/dev/hd[a-z]+)3', re.M)
+	return disk_re.findall(df_output)
 
 try:
 	from site_utils import *