Linode Alert – disk io rate邮件提醒
linode后台默认设置的1000太小了，所以给个邮件警告，我建议调到10000试试。Alert_diskio_threshold must be between 0 and 10000.（linode管理后台允许设定的磁盘io最大值为10000）
Your Linode, linodexxxxxx, has exceeded the notification threshold (1000) for disk io rate by averaging 1114.41 for the last 2 hours. The dashboard for this Linode is located at:
This is an automated message, please do not respond to this email. If you have questions, please open a support ticket.
You can view or change your alert thresholds under the “Settings” tab of the Linode Manager.
This is not meant as a warning or a representation that you are misusing your resources. We encourage you to modify the thresholds based on your own individual needs.