rsync per defined local filesystem in /etc/fstab finds all mountpoint that start with /backup like /backup/path and backups /path to /backup/path

disk rsync mirror

#!/bin/bash

exec > /var/log/`basename ${0}`.log 2>&1
echo "############ `date` ###########"
for bkdir in `cat /etc/fstab | egrep -v -e '^#' | egrep -e '[[:space:]]/backup' | awk '{print $2}'` ; do
        mount | egrep -e '[[:space:]]'${bkdir}'[[:space:]]' > /dev/null
        if [ $? == 0 ]; then
                dir=`echo ${bkdir} | sed -e 's#/backup##' `
                [ "X${dir}" == "X" ] && dir="/"
                mount | egrep -e '[[:space:]]'${dir}'[[:space:]]' > /dev/null
                if [ $? == 0 ]; then
                        touch ${dir}/cs-fs-check 2>&1 | egrep -e 'Read-only file system' > /dev/null
                        if [ $? == 0 ]; then
                                echo "### ${dir} is Read Only not rsyncing ###"
                                continue
                        fi
                        rm -f ${dir}/cs-fs-check

                        params="-aWHvx"
                        mount | egrep -e '[[:space:]]'${bkdir}'[[:space:]]' | egrep -e '\((|.*,).*acl(|,.*)\)' > /dev/null
                        if [ $? == 0 ]; then
                                params="$params -A"
                        fi
                        if [ "${dir}" == "/" ]; then
                                dir=$(mktemp -d /tmp/`basename ${0}`.root.XXXXXX)
                                mount -o bind / $dir
                                echo "### Rsync of / ###"
                                rsync $params --exclude="/etc/fstab" --delete ${dir}"/" ${bkdir}"/"
                                umount $dir
                                rmdir $dir
                                cs-fstab-bkup
                        else
                                echo "### Rsync of ${dir} ###"
                                rsync $params --exclude="/etc/fstab" --delete ${dir}"/" ${bkdir}"/"
                        fi
                fi
        fi
done
echo "############ `date` ###########"
exit 0