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Forum Discussion
What does SMART ATA error mean exactly?
Hi, so NAS started sending me mails about one of my HDs failing, at every start. It's a Seagate Barracuda 7200.14 (I got two identical in mirror mode) which is also in compatibility list (http://k...
danizmax wrote: why does my HD have so many flying head hours?
- Head Flying Hours: 99291053949400
The time is stored as a 48-bit number, but only the lower 32 bits hold the hours; the upper 16 bits hold a running count of milliseconds and should be ignored.
Your number, 99291053949400 decimal, is 5A4E 0000 01D8 hex. The "0000 01D8" is the actual number of hours -- 472 decimal, which sounds about right for an 8-month-old drive that spins a couple hours a day. My drives spin continuously, and one of my 8-month-old drives reports 180504590553978 flying hours. 180504590553978 decimal is A42B 0000 137A hex; 137A hex is 4986 decimal, which works out to 207 24-hour days.
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