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Here's a first hand experience
While I'm a firm believer in UPS backups, I think this is an exaggeration. I have many firsthand experiences of computers losing power under such circumstances, and have not seen any "fatal" consequences yet. In my experience, there is about a 5-10% chance of data corruption (and a 100% chance that all unsaved data will be lost). But I've never seen any "fatal" hardware failures do to power failure of a protected system.
I once had a 200GB FireWire hard drive die on me because of a power outage. A simple head-crash -- there was nothing I could do to recover the data. Back in the those days a 200GB FireWire drive was about $400. Luckily I could get it replaced because it was still under warranty. Since then I've been really paranoid about power supply issues.
Here's a first hand experience
Pardon my ignorance, but what kind of UPS would kill hardware? Does it not simply turn off once the voltage is ready to dip? Data corruption sure, but I too haven't seen any hardware death as a result of a UPS. Brownouts OTOH, sure.
Here's a first hand experience
It's not the UPS killing the hardware, it's the sudden loss of power.
Here's a first hand experience
Actually, there is virtually no possibility this could occur. When the power is cut to a drive, it automatically parks the head.
Here's a first hand experience
Pardon my ignorance, but what kind of UPS would kill hardware? Does it not simply turn off once the voltage is ready to dip? Data corruption sure, but I too haven't seen any hardware death as a result of a UPS. Brownouts OTOH, sure. |
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