diff --git a/ceph-keyring-create-initial b/ceph-keyring-create-initial
index cf81d3d..43d4eb9 100755
--- a/ceph-keyring-create-initial
+++ b/ceph-keyring-create-initial
@@ -15,4 +15,4 @@ ceph-authtool "$fname" --gen-key -n client.admin \
               --cap mon 'allow *' \
               --cap osd 'allow *' \
               --cap mgr 'allow *' \
-              --cap mds 'allow'
+              --cap mds 'allow *'
diff --git a/ceph-osd-create-on-all-disks b/ceph-osd-create-on-all-disks
new file mode 100755
index 0000000..ebc932d
--- /dev/null
+++ b/ceph-osd-create-on-all-disks
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+lsblk -b | awk '/^sd/ { print $1 " " $4/(1024^4) }' |
+(
+    while read disk size; do
+        /opt/ungleich-tools/ceph-osd-create-start /dev/$disk hdd $size
+
+    done
+)
diff --git a/ceph-osd-create-start b/ceph-osd-create-start
index 405b3c2..e38db4e 100755
--- a/ceph-osd-create-start
+++ b/ceph-osd-create-start
@@ -20,15 +20,15 @@ magic="ceph osd volume v026"
 set -x
 set -e
 
-if [ $# -ne 3 ]; then
-    echo "$0 disk class osdweight"
+if [ $# -lt 2 ]; then
+    echo "$0 disk class [osdweight]"
     echo "class = hdd or ssd"
     exit 1
 fi
 
 export DEV=$1;shift
 export CLASS=$1; shift
-export WEIGHT=$1; shift
+
 
 uuid_metadata=$(uuidgen)
 uuid_block=$(uuidgen)
@@ -42,15 +42,14 @@ dev_block="/dev/disk/by-partuuid/$uuid_block"
              --partition-guid="0:$uuid_metadata" \
              --typecode=0:4fbd7e29-9d25-41b8-afd0-062c0ceff05d \
              --mbrtogpt -- $DEV
-
 /sbin/udevadm settle --timeout=600
 
-
 # Using gdisk --largest-new does not change the name or set guid;
 # So use 2 steps instead
 /sbin/sgdisk --largest-new=0 --mbrtogpt -- $DEV
 /sbin/udevadm settle --timeout=600
 
+
 lastpart=$(gdisk -l $DEV | tail -n1 | awk '{ print $1 }')
 /sbin/sgdisk --change-name="${lastpart}:ceph block" \
              --partition-guid="${lastpart}:$uuid_block" \
@@ -58,7 +57,6 @@ lastpart=$(gdisk -l $DEV | tail -n1 | awk '{ print $1 }')
              --mbrtogpt -- $DEV
 /sbin/udevadm settle --timeout=600
 
-
 /sbin/mkfs -t xfs -f -i size=2048 -- "$dev_metadata"
 
 mountpath=/var/lib/ceph/osd/ceph-${osd_id}
@@ -85,6 +83,14 @@ touch                   "$mountpath/sysvinit"
 ceph-osd --cluster ceph -i "${osd_id}" --mkfs
 chown -R ceph:ceph      "$mountpath"
 
+if [ $# -eq 1 ]; then
+    WEIGHT=$1; shift
+else
+    devname=$(readlink -f $dev_block)
+    nodev=$(echo $devname | sed 's,/dev/,,')
+    WEIGHT=$(lsblk -l -b | awk "/^$nodev/ { print \$4/(1024^4) }")
+fi
+
 ceph osd crush add osd.${osd_id} ${WEIGHT} host=$(hostname)
 
 echo "$metadata_dev /var/lib/ceph/osd/ceph-${osd_id} xfs noatime 0 0" >> /etc/fstab
diff --git a/ceph-pool-create b/ceph-pool-create
old mode 100644
new mode 100755
index 891347e..531f236
--- a/ceph-pool-create
+++ b/ceph-pool-create
@@ -1,9 +1,12 @@
 #!/bin/sh
 
-pool=$1; shift
+if [ $# -ne 2 ]; then
+    echo "$0 name pgs"
+    exit 1
+fi
 
-echo "This script is not finished to create pool $pool"
+name=$1; shift
+pg=$1;shift
 
-exit 1
-
-ceph osd pool application enable
+ceph osd pool create "$name" "$pg"
+ceph osd pool application enable "$name" rbd
diff --git a/disk-create-fresh-gpt b/disk-create-fresh-gpt
new file mode 100755
index 0000000..76d8a1a
--- /dev/null
+++ b/disk-create-fresh-gpt
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+disk=$1
+
+printf 'g\nw' | fdisk $disk
diff --git a/remove-all-partitions b/remove-all-partitions
new file mode 100755
index 0000000..60456d4
--- /dev/null
+++ b/remove-all-partitions
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ $# -ne 1 ]; then
+    echo $0 disk-to-be-deleted
+    exit 1
+fi
+
+disk=$1
+
+sgdisk -Z "$disk"
+dd if=/dev/zero of=$disk bs=1M count=10
diff --git a/remove-all-partitions-from-all-disks b/remove-all-partitions-from-all-disks
new file mode 100755
index 0000000..7df5220
--- /dev/null
+++ b/remove-all-partitions-from-all-disks
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+for disk in $(fdisk -l | grep "^Disk /dev" | sed -e 's/Disk //' -e 's/:.*//'); do
+    sgdisk -Z "$disk"
+done