Data center infrastructure is constantly evolving. Increases in computer room and data center density and diversity are driving change in the power and cooling systems that business critical servers and communications devices depend on for their performance and reliability.
As equipment density rises, hardware becomes mission critical because the each application deployed increases business dependence on data center IT systems. At the same time, entire facilities, as well as individual racks, are supporting an escalating number of devices as server form factors continue to shrink.
Density is an issue felt across all business, according to a 2006 Data Center Users Group study released in October. Heat density and power density represented two of the top three issues driving change in the data center as more than 40% of the respondents noted these as top trends related to infrastructure.
For many organizations, the IT infrastructure has evolved into an interdependent business critical network with the data center as the hub. A power failure at any point along the network can impact the entire operation -- and have serious consequences for the business.
As a result, there exists a valuable opportunity for resel
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lers to work closely with customers to proactively identify problems within their power systems that could adversely affect availability of their critical systems and operational performance of their facility.
Preventive maintenance usually requires a shut-down to ensure electrical connection integrity. Most preventive maintenance measures should only be attempted by qualified personnel.
The following are preventive maintenance tips for resellers to use when reviewing a customer's power systems:
Data center semi-annual service
Record all voltage and current meter readings on module control cabinet or system control cabinet.
Measure and record harmonic trap filter currents.
Data center annual services
Data center battery inspection service
This visual inspection should be performed during the UPS semi-annual and annual preventive maintenance services.
Measure and record DC bus ripple voltage.
Measure and record total battery float voltage.
Data center preventive maintenance service on power management systems
About the author: Omar McKee is the service product manager for the service business of Emerson Network Power.