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Ensuring Power Redundancy and Backup Systems in Computing Environments

This presentation by Dr. John P. Abraham, Professor at UTPA, summarizes strategies for ensuring power redundancy and reliability in computing systems. Topics covered include the importance of power supply redundancy using AC generators and solar power, along with proper surge protection measures. Additionally, we explore RAID configurations for hard drives and the role of UPS systems in server management, including software solutions for monitoring and notifying administrators. Learn about the essential practices to prevent downtime and maintain data integrity.

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Ensuring Power Redundancy and Backup Systems in Computing Environments

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  1. POWER REDUNDANCY Dr. John P. Abraham Professor UTPA

  2. This slide series is a summary of what we discussed in class. • Power • Broadband • Hard Drive • Backup • Cluster

  3. Redundant Array of Inexpensive Servers • RAIS stripes and mirrors application code and memory across an array of ordinary servers using the standard RAID schemata of level 0, level 1, level 5, level 1+0. This is possible through the invention of a radical new memory management system called Versioned Memory. • However, I want to start with the old fashioned way of achieving redundancy.

  4. Power Supply Redundancy • Power Source • AC • Generator • Solar

  5. AC • Problem with spikes and browns • Should not have other appliances or devices connected to it. • Should have a direct circuit breaker • Use surge protection for the whole circuit. • I looked up Square D surge protector as an example. • Such outlets should be color coded (Orange or Red)

  6. Generator • Should maintain it properly. Must start it each week • Need to have a transfer switch. There is a time delay. Meanwhile your computer will go off.

  7. Solar with Battery back up • Need to have pure sine wave inverters to be used with electronic equipment. • You can connect these batteries to the UPS • Solar Array needs to have a voltage controller, to keep it from over charging the batteries. • Also needs to have a transfer switch. • You can also use APC Redundant Automatic Transfer switch or similar ones

  8. UPS • A must for all servers • Check the voltage and wattage rating • VA stands for voltage Amp – How much load a UPS can handle at any given time. This will tell you how many devices can be plugged in.

  9. UPS software • APC powerchute software • Powercom • Powershield • Notifies the server of the remaining power • Notifies administrator through text or email • Sends message to clients • Closes files and shuts down

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