Black Box LES1204A-R2 Manual de usuario descargar pdf (Pagina 118)

Chapter 8: Remote Power Management

118 724-746-5500 l www.blackbox.com

 Enter the Name of the particular remote UPS that you want to remotely monitor. This name must be the name

that the remote UPS was configured with on the remote console server (because the remote console server may

itself have multiple UPSes attached that it manages locally with NUT). Optionally, enter a Description.

 Enter the IP Address or DNS name of the remote console server* that is managing the remote UPS. (*This may

be another Black Box console server or it may be a generic Linux server running Network UPS Tools.)

Note An example where centrally monitor remotely distributed UPSes is useful is a campus or large business site

where there’s a multitude of computer and other equipment sites spread afar, each with their own UPS supply …

and many of these (particularly the smaller sites) will be USB or serially connected.

Having a console server at these remote sites would enable the system manager to centrally monitor the status of

the power supplies at all sites, and centralize alarms. So he/she can be warned to initiate a call-out or shut-down.

 Check Log Status and specify the Log Rate (minutes between samples) if you want the status from this UPS to

be logged. You can view these logs from the Status: UPS Status screen.

 Check Enable Shutdown Script if this remote UPS is the UPS providing power to the console server itself. If the

UPS reaches critical battery status, the custom script in /etc/config/scripts/ups-shutdown runs, enabling you to

perform any “last gasp” actions.

 Click Apply.

8.2.3 Controlling UPS powered computers

One of the advantages of having a Managed UPS is that you can configure computers that draw power through that UPS

to shut down gracefully if you have UPS problems.

For Linux computers, set up upsmon on each computer and direct them to monitor the console server that is managing

their UPS. This will set the specific conditions that will be used to initiate a power down of the computer. Non-critical

servers may be powered down some seconds after the UPS starts running on battery. In contrast, more critical servers

may not be shut down until a low battery warning is received). Refer to the online NUT documentation for details on how

to do this:

http://eu1.networkupstools.org/doc/2.2.0/INSTALL.html

http://linux.die.net/man/5/upsmon.conf

http://linux.die.net/man/8/upsmon

An example upsmon.conf entry might look like:

MONITOR managedups@192.168.0.1 1 username password slave

- managedups is the UPS Name of the Managed UPS

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Black Box LES1204A-R2 Manual de usuario Pagina 118