這個備份腳本依賴于其它兩個JS (fsync_lock.js 和 fsync_unlock.js)

#!/bin/sh

MONGODB_SHELL='mongo'
DUMP_UTILITY='mongodump'
SET the bd name which one you want to backup
DB_NAME=''
SET server path where you want to save the file
CLOUD_PATH=''
SET your user name
SERVER_USER=''
SET your host name or IP of the server
HOST_NAME=''
datenow=`date +%Y%m%d%H%M%Sdir_name='db_backup_'${date_now}
file_name='db_backup_'${date_now}'.bz2'
current_year=date +%Y`
log() {
echo $1
}
do_cleanup(){
rm -rf 'dbbackup'${current_year}*
log 'cleaning up....'
}
do_backup(){
log 'snapshotting the db and creating archive' && \
${MONGODB_SHELL} admin fsync_lock.js && \
log 'db locked and creating backup'
${DUMP_UTILITY} -d ${DB_NAME} -o ${dir_name} && tar -jcf $file_name ${dir_name} && \
${MONGODB_SHELL} admin fsync_unlock.js && \
log 'data backd up and created snapshot'
}
save_in_cloud(){
log 'saving backup to another server...'
scp ${file_name} ${SERVER_USER}@${HOST_NAME}:${CLOUD_PATH}
log 'saved scuccessfully'
}
do_backup && save_in_cloud && do_cleanup</pre>來自：http://mushfiq.com/2013/08/08/mongodb-backup-script/