系统版本：CentOS7
脚本
/usr/bin/disk-monitor.sh内容如下：
#!/bin/bash
LOCAL_HOST=192.168.1.3
RECEIVE_LIST="[email protected]"
CC_LIST="[email protected],[email protected],[email protected]"
MOUNT_NODE_COUNT=`df -h|wc -l`
echo "挂载节点数为：${MOUNT_NODE_COUNT}"
while [[ ${MOUNT_NODE_COUNT} -ne 1 ]];
do
FILE_SYSTEM=`df -h |sed -n "$MOUNT_NODE_COUNT p"|awk '{print $1}'`
MOUNT_NODE=`df -h |sed -n "$MOUNT_NODE_COUNT p"|awk '{print $6}'`
PART_FREE_SPACE=`df -h |sed -n "$MOUNT_NODE_COUNT p"|awk '{print $4}'`
UTILIZATION_RATE=`df -h |sed -n "$MOUNT_NODE_COUNT p"|awk '{print $5}'`
UTILIZATION_RATE_VALUE=`echo ${UTILIZATION_RATE}|sed 's/.$//'`
# echo "文件系统：`echo ${FILE_SYSTEM}`，挂在节点：`echo "$MOUNT_NODE"`，分区磁盘使用率为：`echo ${UTILIZATION_RATE}`, 剩余磁盘空间：`echo ${PART_FREE_SPACE}`"
if [[ ${UTILIZATION_RATE_VALUE} -gt 95 ]]; then
MAIL_CONTENT="[当前地址]：${LOCAL_HOST}
[文件系统]：`echo ${FILE_SYSTEM}`
[挂在节点]：`echo "$MOUNT_NODE"`
[分区磁盘使用率]：`echo ${UTILIZATION_RATE}`
已达告警阈值，请及时清理！！！"
echo ${MAIL_CONTENT}
echo "${MAIL_CONTENT}" | mail -s "磁盘剩余空间告警" -c ${CC_LIST} ${RECEIVE_LIST} &> /dev/null
fi
let MOUNT_NODE_COUNT--
done安装
mailx
yum install -y mailx配置
mailx，/etc/mail.rc追加以下内容
set [email protected]
set smtp=smtp.xxx.com:587
set smtp-auth-user=aaa
set smtp-auth-password=******
set smtp-auth=login
set smtp-use-starttls
set ssl-verify=ignore
set nss-config-dir=/etc/pki/nssdb/配置定时任务
cat >> /etc/crontab <<EOF
0 */1 * * * root /usr/bin/disk-monitor.sh
EOF