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ServerSentinel v4.0
Monitor servers, network services and local resources
With ServerSentinel you can monitor server and network services as well as local resourcesautomatically and reliably from a central installation. The monitoring software reacts immediately in case of failures and irregularities. This minimizes server downtimes and increases the availability of monitored systems.
ServerSentinel monitors servers, network services (such as HTTP, POP3, and SNMP) as well as hard disk space and memory usage. Various monitoring sensors and individually definable testing intervals ensure a reliable system monitoring. Using a variety of hardware sensors* connected to ServerSentinel, you can, for example, keep track of the temperature and humidity in the server room.
If an error or irregularity is tracked, ServerSentinel notifies you in real time via email, text-to-speech output, acoustic or optical* warning signal. This immediate notification enables you to take precautions to avoid system failure and limitation of availability. ServerSentinel can also take immediate action by running automatic scripts or programs that can take corrective actions.
All information such as logged failures, reported irregularities and other performance data are stored in a dedicated database. The recorded data can be used for future analyses regarding system failures and server performance bottlenecks. This guarantees reliable control of all systems.
* We also offer corresponding USB hardware devices supported by ServerSentinel. More information:
USB Temperature Sensor
USB Humidity/Temperature Sensor
USB Signal Light
USB Switchable Power Socket
USB Contact Sensor (1-Channel)
USB Contact Sensor (16-Channel)
The ServerSentinel sensors provide versatile and reliable monitoring, enabling you to control different resources in your building. If a computer is monitored remotely, an RDP connection can be established via the context menu.
Use a wide range of server and network sensors.
Run different applications or scripts (VBS, PS) with the script sensor and monitor their return values.
Query databases with the database sensor.
Monitor hardware (temperatur and fan speeds) with the SpeedFan sensor (in combination with SpeedFan).
The XML sensor reads file content.
Different USB sensors help you monitor environmental influences:
Monitor room temperature and humidity with specialized sensors.
Connect your smoke or motion detector to the contact sensor and monitor them with ServerSentinel.
The hard disk sensors enable you to monitor content and state of your hard disks.
Folder and file features can be monitored with the file and folder sensor (if installed,SpaceObServer will be used for to monitor folder sizes in the background).
Monitor hard disk health with the S.M.A.R.T. sensor.
Monitor the RAID-Status with the RAID sensor.
Use the disk space sensor to collect information regarding the disk space usage and the disk space development on your system.
Use the file system sensor to monitor file system events.
With ServerSentinel you can keep an eye on your network.
The Ping sensor tests the availability of servers and single computers.
The SNMP sensor monitors network devices like servers, routers, printers or an uninterrupted power supply (UPS) and receives SNMP traps.
The HTTP sensor checks whether certain content is available.
With the TCP sensor you can check if a connection to a host is possible.
The FTP sensor monitors files and folders on FTP servers.
The DNS sensor verifies that a DNS server can solve a certain address.
With SMPT, POP3, or IMAP sensors you can easily monitor email servers or their services.
Check if your email server works with the mail flow sensor.
Keep an eye on your running Windows systems.
Monitor the use of resources by processes and services with the process and service sensors.
The specialized system load sensor was developed specifically for the monitoring of available internal memory as well as the CPU and hard disk load.
With the versatile performance indicator sensor you can query system information.
The Windows event log sensor enables you to query the Windows event log locally or remotely.
You can formulate your own WMI querys with the WMI sensor.
All sensors can easily be adapted to the given requirements. This can be accomplished as follows:
Conditions (e.g. thresholds) and inspection intervals can be defined individually for each sensor.
Multiple actions can be performed consecutively.
Exception times for condition can be defined. This way you can make sure that, for example, an action stacking CPU load will not be run while a backup is being created.
Sensors can depend on each other: a sensor will only be run if the dependent sensor was successful.
ServerSentinel v4.0 new feature
Clever Monitoring: ServerSentinel Recipes
Inform Administrator if Server Runs Low on Space
If a server's disk space runs low it will stop working. Administrators should be warned before this happens.
Our recommendation: Low on server space? Disk space Managers such as SpaceObServer or TreeSize will help you clean up!
Disk Space Sensor
Less than 5% free server space on a monitored server.
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Email Action
Send an email to the administrator: "Only X GB free server space left on server A."
Monitor Server CPU Load
An unexpected high CPU load can be a sign of a frozen process - the server should be restarted.
System Load Sensor
CPU load has exceeded threshold of 90% for more than 30 minutes.
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Email Action
Send email to administrator: "High CPU load on server X, server has been restarted."
Shutdown Action
Restart the server remotely via shutdown action.
Query Backup Power Time of the UPS (Uninterruptible Power Supply)
Adding new servers can lower the backup power time of the UPS - even below the required minimum. ServerSentinel monitors the UPS at all times.
SNMP Sensor
Backup power time of the UPS below threshold (10 minutes).
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Email Action
Send email to administrator: "Backup power time of the UPS less than 10 minutes."
Keep the Server From Overheating
Servers are vulnerable to heat damage. ServerSentinel will keep your expensive hardware safe!
Temperature Sensor
Server room temperature: exceeds 30°C for more than 5 minutes.
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Text Action
Text message and email to administrator: "Warning: More than 30°C in server room."
Temperature Sensor
Server room temperature: exceeds 40°C for more than 5 minutes.
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Shutdown Action
Safely shut down the server via shutdown action to prevent heat damage.
Temperature Sensor
Server room temperature: below 30°C for more than 10 minutes.
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WOL Action
Restart the server remotely via wake on LAN action.
Email Action
Inform the administrator via email: "Server A has been restarted."
Keep Inboxes From Reaching Capacity
Users like to store emails in their inboxes, but one day every inbox will reach capacity. ServerSentinel automatically sends out warnings before the inbox is full.
Our recommendation: Delete emails from the inbox and archive them with the Exchange Server Toolbox. The integrated archive search will help you find old emails and the inbox stays lean.
POP3/IMAP Sensor
Used space in the inbox has exceeded the threshold set by administrators (2,5GB).
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Email Action
Email to user: "Your inbox is reaching capacity, please clean up old emails!"
Email Action
Warning to administrator: "Inbox storage usage of user X has exceeded threshold."
Keep an Eye on Hard Disk Health
S.M.A.R.T. values provide information about hard disk health. ServerSentinel reads the values and will warn the administrators before errors happen.
S.M.A.R.T. Sensor
S.M.A.R.T. value of a monitored hard disk falls below threshold.
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Email Action
Send email to administrator: "S.M.A.R.T. value X of hard disk A below threshold."
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