Pool RBD Usage

rbd_usage.sh

#!/bin/bash

declare -A POOLS;
for pool in $(ceph osd dump|grep pool|awk -F"'" '{print $2}');
do
  for rbd in $(rbd list -p $pool 2>/dev/null);
  do
    if [ "$rbd" != "" ];then
      size=$(rbd info -p $pool $rbd|grep size|awk '{print $2}');
      let POOLS[$pool]+="$size";
    fi;
  done;
done;
for pool in "${!POOLS[@]}";
do
  for size in ${POOLS[$pool]};
  do
    echo $pool: $size MB;
  done;
done;