1 files changed, 60 insertions, 0 deletions
diff --git a/src/script/set_up_stretch_mode.sh b/src/script/set_up_stretch_mode.sh
new file mode 100755
index 000000000..a28f181e6
--- /dev/null
+++ b/src/script/set_up_stretch_mode.sh
@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+set -x
+
+./bin/ceph config set osd osd_crush_update_on_start false
+
+./bin/ceph osd crush move osd.0 host=host1-1 datacenter=site1 root=default
+./bin/ceph osd crush move osd.1 host=host1-2 datacenter=site1 root=default
+./bin/ceph osd crush move osd.2 host=host2-1 datacenter=site2 root=default
+./bin/ceph osd crush move osd.3 host=host2-2 datacenter=site2 root=default
+
+./bin/ceph osd getcrushmap > crush.map.bin
+./bin/crushtool -d crush.map.bin -o crush.map.txt
+cat <<EOF >> crush.map.txt
+rule stretch_rule {
+        id 1
+        type replicated
+        min_size 1
+        max_size 10
+        step take site1
+        step chooseleaf firstn 2 type host
+        step emit
+        step take site2
+        step chooseleaf firstn 2 type host
+        step emit
+}
+rule stretch_rule2 {
+        id 2
+        type replicated
+        min_size 1
+        max_size 10
+        step take site1
+        step chooseleaf firstn 2 type host
+        step emit
+        step take site2
+        step chooseleaf firstn 2 type host
+        step emit
+}
+rule stretch_rule3 {
+        id 3
+        type replicated
+        min_size 1
+        max_size 10
+        step take site1
+        step chooseleaf firstn 2 type host
+        step emit
+        step take site2
+        step chooseleaf firstn 2 type host
+        step emit
+}
+EOF
+./bin/crushtool -c crush.map.txt -o crush2.map.bin
+./bin/ceph osd setcrushmap -i crush2.map.bin
+./bin/ceph mon set election_strategy connectivity
+
+./bin/ceph mon set_location a datacenter=site1
+./bin/ceph mon set_location b datacenter=site2
+./bin/ceph mon set_location c datacenter=site3
+./bin/ceph osd pool create test_stretch1 1024 1024 replicated
+./bin/ceph mon enable_stretch_mode c stretch_rule datacenter