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-rw-r--r--nova/exception.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/nova/exception.py b/nova/exception.py
index 668617500..e1caf28fe 100644
--- a/nova/exception.py
+++ b/nova/exception.py
@@ -362,6 +362,10 @@ class InvalidDevicePath(Invalid):
message = _("The supplied device path (%(path)s) is invalid.")
+class DeviceIsBusy(Invalid):
+ message = _("The supplied device (%(device)s) is busy.")
+
+
class InvalidCPUInfo(Invalid):
message = _("Unacceptable CPU info") + ": %(reason)s"