Hyperic HQ
By Barry Nance
,
Network World
, 06/18/2007
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Hyperic HQ watched over our network with a keen and discerning eye.
Its accurate and thorough discovery feature ferreted out even the most minute details about our network infrastructure, and
its interface displayed the activity-based relationships among the infrastructure elements in an easy-to-understand graphical
manner. Hyperic HQ noted, for example, device vendors and model IDs, as well as server resources, such as CPU, memory and disk and running applications.
We loved Hyperic HQ’s thresholds, which we could make as elaborate as we wished. We easily set up thresholds for excessive
traffic levels that expressed time-of-day relationships – for instance, network use of 70% was acceptable midmorning and midafternoon
but not at other times of the day.
Hyperic HQ’s thresholds and associated alerts rather comprehensively covered our network, from traffic levels to server use
and from running applications to log files. At our behest, Hyperic HQ even processed security events by detecting, logging and alerting us when someone tried to gain remote access to our servers.
However, we would have like to see Hyperic HQ have more closely monitored applications, such as Exchange, as we’d seen Argent
Extended Technologies do in the commercial products test. It e-mails and pages administrators when Hyperic HQ detects a problem.
Hyperic HQ’s remediation feature requires more manual effort than that of Zenoss Core. We used it to perform device- and application-specific
control actions, such as instructing Apache Web server to restart. We found we could also control resources in groups that
we set up. Hyperic HQ fell far short of the automatic corrective actions of nearly all the midtier tools.
Hyperic HQ’s reports depict problem histories, monitoring status information, network activity levels, network performance
data (useful for capacity planning) and network infrastructure inventory data.
The Web-based portal interface is completely configurable. To see the current status and health of our network, we easily
configured Hyperic HQ to show highly useful views of monitored data. We also found creating, moving and erasing portlets (customized
Hyperic HQ subsets of network infrastructure elements) via Hyperic’s drag-and-drop visual-design environment to be painless
and quick.
For the sake of reliability and uptime as well as load balancing, the Hyperic HQ central server component can be clustered.
Using Microsoft’s server clustering to distribute the Hyperic HQ workload across two servers, we found that Hyperic HQ works well in a clustered
environment.
Coincidentally, Hyperic HQ’s discovery and monitoring components recognized the clustered servers and treated them as a group
for alerting and notification purposes. For a small network that employs five to 10 Hyperic HQ agents, Hyperic recommends
10 GB of storage, 512 MB of RAM and a fast single processor. For medium- to large-sized networks using 10 to 50 agents, Hyperic
suggests at least 40 GB of storage, 1 GB of RAM and two or more CPUs. For a greater number of agents, you’ll need to run multiple
instances of Hyperic HQ.
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