Sleep a bit before calling udevsettle in iscsiTarget.login (#470073, #466661)

Further testing has revealed that it is possible that the hotplug events for
an added iscsi disk have not fired yet when iscsiadm ... --login has completed

In this case calling udevsettle does not help, so sleep a little before calling
udevsettle to give the kernel time to fire of those events.

1 files changed, 3 insertions, 0 deletions

diff --git a/iscsi.py b/iscsi.py
index 51640b58e..6ff69f10b 100644
--- a/iscsi.py
+++ b/iscsi.py
@@ -191,6 +191,9 @@ class iscsiTarget:
 
         # Wait for udev to create the devices for the just added disks
         if ret:
+            # It is possible when we get here the events for the new devices
+            # are not send yet, so sleep to make sure the events are fired
+            time.sleep(1)
             iutil.execWithRedirect("/sbin/udevsettle", [ ], 
                                    stdout = "/dev/tty5", stderr="/dev/tty5")