diff --git a/tox.ini b/tox.ini
index dde3f1298..6b381bd29 100644
--- a/tox.ini
+++ b/tox.ini
@@ -355,13 +355,13 @@ commands=
   "
 
   # test cluster state using ceph-ansible tests
-  py.test --reruns 5 --reruns-delay 1 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
+  py.test --reruns 20 --reruns-delay 3 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
 
   # reboot all vms
   all_daemons,collocation: ansible-playbook -vv -i {changedir}/{env:INVENTORY} {toxinidir}/tests/functional/reboot.yml
 
   # retest to ensure cluster came back up correctly after rebooting
-  all_daemons,collocation: py.test --reruns 5 --reruns-delay 1 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
+  all_daemons,collocation: py.test --reruns 20 --reruns-delay 3 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
 
   # handlers/idempotency test
   all_daemons,all_in_one,collocation: ansible-playbook -vv -i {changedir}/{env:INVENTORY} {toxinidir}/{env:PLAYBOOK:site.yml.sample} --extra-vars "delegate_facts_host={env:DELEGATE_FACTS_HOST:True} ceph_docker_image_tag={env:CEPH_DOCKER_IMAGE_TAG_BIS:latest-bis-master} ceph_dev_branch={env:CEPH_DEV_BRANCH:master} ceph_dev_sha1={env:CEPH_DEV_SHA1:latest}" --extra-vars @ceph-override.json