Fixing ceph gates

Ceph gates notoriously run out of memory

Change-Id: I5cf5cc5adf5379095ed9e3094494e65b76ff62d8

tests/setup_ceph_disks.sh

 mkdir -p /opt/data/kolla
-dd if=/dev/zero of=/opt/data/kolla/ceph-osd0.img bs=5M count=3072
+dd if=/dev/zero of=/opt/data/kolla/ceph-osd0.img bs=5M count=2048
 LOOP=$(losetup -f)
 losetup $LOOP /opt/data/kolla/ceph-osd0.img
-parted $LOOP -s -- mklabel gpt mkpart KOLLA_CEPH_OSD_BOOTSTRAP_OSD1 0 14GB
+parted $LOOP -s -- mklabel gpt mkpart KOLLA_CEPH_OSD_BOOTSTRAP_OSD1 1 -1
 
-dd if=/dev/zero of=/opt/data/kolla/ceph-journal0.img bs=5M count=1024
+dd if=/dev/zero of=/opt/data/kolla/ceph-journal0.img bs=5M count=512
 LOOP=$(losetup -f)
 losetup $LOOP /opt/data/kolla/ceph-journal0.img
-parted $LOOP -s -- mklabel gpt mkpart KOLLA_CEPH_OSD_BOOTSTRAP_OSD1_J 0 5GB
+parted $LOOP -s -- mklabel gpt mkpart KOLLA_CEPH_OSD_BOOTSTRAP_OSD1_J 1 -1
 
 partprobe $LOOP