Ceph RBD objects placement

· 1 min read
Sébastien Han
Sébastien Han

Quick script to evaluate the placement of the objects contained in a RBD image.

#!/bin/bash

# USAGE
# ./rbd-loc <pool> <image>

if [ -z ${1} ] || [ -z ${2} ];
then
    echo "USAGE: ./rbd-loc <pool> <image>"
    exit 1
fi

rbd_prefix=$(rbd -p ${1} info ${2} | grep block_name_prefix | awk '{print $2}')
for i in $(rados -p ${1} ls | grep ${rbd_prefix})
do
    ceph osd map ${1} ${i}
done