We can't atomically append to two env backends, which means
that we can see size mismatches when we inject failures.
Signed-off-by: Sage Weil <sage@redhat.com>
Only do the failure injection 50% of the time; otherwise, just
kill as usual.
Signed-off-by: Sage Weil <sage@redhat.com>
# Conflicts:
# tasks/ceph_manager.py
