--- /dev/null
+
+# devices
+device 1 osd001
+device 2 osd002
+device 3 osd003 down # same as offload 1.0
+device 4 osd004 offload 0 # 0.0 -> normal, 1.0 -> failed
+device 5 osd005 offload 0.1
+device 6 osd006 offload 0.1
+
+# hierarchy
+type 0 osd # 'device' is actually the default for 0
+type 2 cab
+type 3 row
+type 10 pool
+
+cab root {
+ id -1 # optional
+ alg tree # required
+ item osd001
+ item osd002 weight 600 pos 1
+ item osd003 weight 600 pos 0
+ item osd004 weight 600 pos 3
+ item osd005 weight 600 pos 4
+}
+
+# rules
+rule normal {
+ # these are required.
+ pool 0
+ type replicated
+ min_size 1
+ max_size 4
+ # need 1 or more of these.
+ step take root
+ step choose firstn 0 type osd
+ step emit
+}
+
+rule {
+ pool 1
+ type erasure
+ min_size 3
+ max_size 6
+ step take root
+ step choose indep 0 type osd
+ step emit
+}