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-rw-r--r--qa/rbd/krbd_get_features.t31
1 files changed, 31 insertions, 0 deletions
diff --git a/qa/rbd/krbd_get_features.t b/qa/rbd/krbd_get_features.t
new file mode 100644
index 00000000..b3abf3ce
--- /dev/null
+++ b/qa/rbd/krbd_get_features.t
@@ -0,0 +1,31 @@
+
+journaling makes the image only unwritable, rather than both unreadable
+and unwritable:
+
+ $ rbd create --size 1 --image-feature layering,exclusive-lock,journaling img
+ $ rbd snap create img@snap
+ $ rbd snap protect img@snap
+ $ rbd clone --image-feature layering,exclusive-lock,journaling img@snap cloneimg
+
+ $ DEV=$(sudo rbd map img)
+ rbd: sysfs write failed
+ rbd: map failed: (6) No such device or address
+ [6]
+ $ DEV=$(sudo rbd map --read-only img)
+ $ blockdev --getro $DEV
+ 1
+ $ sudo rbd unmap $DEV
+
+ $ DEV=$(sudo rbd map cloneimg)
+ rbd: sysfs write failed
+ rbd: map failed: (6) No such device or address
+ [6]
+ $ DEV=$(sudo rbd map --read-only cloneimg)
+ $ blockdev --getro $DEV
+ 1
+ $ sudo rbd unmap $DEV
+
+ $ rbd rm --no-progress cloneimg
+ $ rbd snap unprotect img@snap
+ $ rbd snap rm --no-progress img@snap
+ $ rbd rm --no-progress img