clean before

ceph_bench/launch_all.sh

@@ -1,7 +1,9 @@
 #!/bin/bash
 mkdir /root/results
 cd /root/results
+rm -rf *.csv
 ssh root@172.172.0.196 rm -rf /mnt/vol/*
+ssh root@172.172.0.196 rm -rf /root/*.csv
 ssh root@172.172.0.196 /root/canonical-stuff/venv/bin/python3 /root/canonical-stuff/ceph_bench/run.py local
 scp root@172.172.0.196:/root/*.csv .
 python /root/canonical-stuff/ceph_bench/run.py distant