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Do I need a UPS?

Posted on 2006-07-15
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Last Modified: 2010-04-19
We've been having a few power outages recently due to work on-going within the house. This has resulted in several unexpected shutdowns of the server, which SBS has reminded me after every occurance. Having sudden outages and no UPS, would this lead to data loss or corruption, and is it really worth going for a UPS?
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Question by:DReade83
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Gregory Miller earned 2000 total points
ID: 17117193
The answer to your question is a question...
If there is a potential of total data loss due to unexpected power outaage, is a <$200 UPS worth the peace of mind?

If power loss occurrs during a disk write, you stand a very good chance of corrupting the file being written at the time. If this event occurs within a directory table, you may lose the entire directory contents. You could most likely be able to send the drive(s) to a service for recovery but the expense in this is far more than the cost of the UPS.

Preventative measures are always less expensive over time than Break-Fix Maintenance. Get a UPS that is large enough to operate at least 30 minutes based on the loading of your equipment. Make certain you get a UPS with a data link so the server and UPS can communicate. Set the server to begin the shutdown process as soon as it gets a power fail signal. Once your construction is finished, you can adjust this to allow it to run as long as it can before shutting down based on battery life data. It is also a good feature if the UPS can calibrate itself through self testing a power outage and draining the battery to test its knowlwdge of its own lifetime under load. You may not find this feature on low cost UPS units however.

Short Answer: A UPS is ALWAYS a Good Investment for Data Integrity.

Hope this helps...
-greg
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Author Comment

by:DReade83
ID: 17117590
Hi Greg. Thanks for your reply, I'll definitely consider getting one now. :)

- Dave
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