1 files changed, 30 insertions, 4 deletions
diff --git a/roles/storage/zfs/syncoid/templates/autosuspend.py.j2 b/roles/storage/zfs/syncoid/templates/autosuspend.py.j2
index a6217ca0..9dc9bc52 100644
--- a/roles/storage/zfs/syncoid/templates/autosuspend.py.j2
+++ b/roles/storage/zfs/syncoid/templates/autosuspend.py.j2
@@ -119,12 +119,38 @@ class AutoSuspender(object):
         except dbus.exceptions.DBusException as error:
             print("ERR: %s" % error)
 
+    def spindown_disks(self, disks):
+        subprocess.run(["hdparm", "-y"] + disks)
+
+
+def print_usage():
+    print("usage: %s (system|disks) [ /dev/sda [ /dev/sdb [ ... ]]] " % sys.argv[0])
+
 
 if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print_usage()
+        sys.exit(1)
+    mode = sys.argv[1]
+    disks = []
+    if mode not in ["system", "disks"]:
+        print_usage()
+        sys.exit(1)
+    if mode == "disks":
+        if len(sys.argv) < 3:
+            print_usage()
+            sys.exit(1)
+        else:
+            disks = sys.argv[2:]
+
     s = AutoSuspender()
-    print("checking if the system can be suspended:")
+    print("checking for suspend inhibitors:")
     if s.check():
-        print("trying to suspend system")
-        s.suspend()
+        if mode == "system":
+            print("trying to suspend system")
+            s.suspend()
+        elif mode == "disks":
+            print("trying to spindown disks")
+            s.spindown_disks(disks)
     else:
-        print("not suspending system because at least one check failed.")
+        print("not suspending because at least one check failed.")