diff --git a/suites/marginal/multimds/clusters/3-node-3-mds.yaml b/suites/marginal/multimds/clusters/3-node-3-mds.yaml
new file mode 100644
index 00000000000..916018b6e43
--- /dev/null
+++ b/suites/marginal/multimds/clusters/3-node-3-mds.yaml
@@ -0,0 +1,4 @@
+roles:
+- [mon.a, mon.c, mds.b, osd.0, osd.1, osd.2]
+- [mon.b, mds.a, mds.c, osd.3, osd.4, osd.5]
+- [client.0]
diff --git a/suites/marginal/multimds/clusters/3-node-9-mds.yaml b/suites/marginal/multimds/clusters/3-node-9-mds.yaml
new file mode 100644
index 00000000000..ab53a657135
--- /dev/null
+++ b/suites/marginal/multimds/clusters/3-node-9-mds.yaml
@@ -0,0 +1,4 @@
+roles:
+- [mon.a, mon.c, mds.b, mds.d, mds.e, mds.f, osd.0, osd.1, osd.2]
+- [mon.b, mds.a, mds.c, mds.g, mds.h, mds.i, osd.3, osd.4, osd.5]
+- [client.0]
diff --git a/suites/marginal/multimds/fs/btrfs.yaml b/suites/marginal/multimds/fs/btrfs.yaml
new file mode 100644
index 00000000000..4c7af311538
--- /dev/null
+++ b/suites/marginal/multimds/fs/btrfs.yaml
@@ -0,0 +1,6 @@
+overrides:
+  ceph:
+    fs: btrfs
+    conf:
+      osd:
+        osd op thread timeout: 60
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_misc.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_misc.yaml
new file mode 100644
index 00000000000..84dbe5db3cf
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_misc.yaml
@@ -0,0 +1,8 @@
+tasks:
+- install:
+- ceph:
+- ceph-fuse:
+- workunit:
+    clients:
+      all:
+        - misc
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_suites_blogbench.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_suites_blogbench.yaml
new file mode 100644
index 00000000000..ed9d92d5bda
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_suites_blogbench.yaml
@@ -0,0 +1,8 @@
+tasks:
+- install:
+- ceph:
+- ceph-fuse:
+- workunit:
+    clients:
+      all:
+        - suites/blogbench.sh
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_suites_dbench.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_suites_dbench.yaml
new file mode 100644
index 00000000000..e678ed47cc6
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_suites_dbench.yaml
@@ -0,0 +1,8 @@
+tasks:
+- install:
+- ceph:
+- ceph-fuse:
+- workunit:
+    clients:
+      all:
+        - suites/dbench.sh
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_suites_fsstress.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_suites_fsstress.yaml
new file mode 100644
index 00000000000..b58487c0785
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_suites_fsstress.yaml
@@ -0,0 +1,8 @@
+tasks:
+- install:
+- ceph:
+- ceph-fuse:
+- workunit:
+    clients:
+      all:
+        - suites/fsstress.sh
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_suites_fsync.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_suites_fsync.yaml
new file mode 100644
index 00000000000..c1cd14c8f49
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_suites_fsync.yaml
@@ -0,0 +1,8 @@
+tasks:
+- install:
+- ceph:
+- ceph-fuse:
+- workunit:
+    clients:
+      all:
+        - suites/fsync-tester.sh
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_suites_pjd.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_suites_pjd.yaml
new file mode 100644
index 00000000000..b3ebffb2cf7
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_suites_pjd.yaml
@@ -0,0 +1,15 @@
+tasks:
+- install:
+- ceph:
+    conf:
+      client:
+        debug ms: 1
+        debug client: 20
+      mds:
+        debug ms: 1
+        debug mds: 20
+- ceph-fuse:
+- workunit:
+    clients:
+      all:
+        - suites/pjd.sh
diff --git a/suites/marginal/multimds/tasks/cfuse_workunit_suites_truncate_delay.yaml b/suites/marginal/multimds/tasks/cfuse_workunit_suites_truncate_delay.yaml
new file mode 100644
index 00000000000..3aa5f8825ac
--- /dev/null
+++ b/suites/marginal/multimds/tasks/cfuse_workunit_suites_truncate_delay.yaml
@@ -0,0 +1,15 @@
+tasks:
+- install:
+- ceph:
+    conf:
+      client:
+        ms_inject_delay_probability: 1
+        ms_inject_delay_type: osd
+        ms_inject_delay_max: 5
+        client_oc_max_dirty_age: 1
+- ceph-fuse:
+- exec:
+    client.0:
+      - dd if=/dev/zero of=./foo count=100
+      - sleep 2
+      - truncate --size 0 ./foo
diff --git a/suites/marginal/multimds/tasks/libcephfs_interface_tests.yaml b/suites/marginal/multimds/tasks/libcephfs_interface_tests.yaml
new file mode 100644
index 00000000000..22d1f142161
--- /dev/null
+++ b/suites/marginal/multimds/tasks/libcephfs_interface_tests.yaml
@@ -0,0 +1,8 @@
+tasks:
+- install:
+- ceph:
+- ceph-fuse:
+- workunit:
+    clients:
+      client.0:
+        - libcephfs/test.sh
diff --git a/suites/marginal/multimds/thrash/exports.yaml b/suites/marginal/multimds/thrash/exports.yaml
new file mode 100644
index 00000000000..240b46dfd8a
--- /dev/null
+++ b/suites/marginal/multimds/thrash/exports.yaml
@@ -0,0 +1,5 @@
+overrides:
+  ceph:
+    conf:
+      mds:
+        mds thrash exports: 1
diff --git a/suites/marginal/multimds/thrash/normal.yaml b/suites/marginal/multimds/thrash/normal.yaml
new file mode 100644
index 00000000000..e69de29bb2d