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Data Storage

Why Power Failures Can Always Lead To Data Loss 456

bigsmoke writes "So, all your servers run on RAID. You back up religiously. You're even sure that your backups are recoverable. But do you also need a UPS? According to Halfgaar (on Slashdot before to promote better Linux backup practices), yes, usually you do. He argues that despite technological advancements such as file system journaling, power failures can still cause data loss in most setups."

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Established technology tends to persist in the face of new technology. -- G. Blaauw, one of the designers of System 360

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