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Forum Discussion
readynas 6.5.0 new fan speeds buggy
Upgraded a R516 yesterday from 6.4 to 6.5.0. Before the upgrade, the fan noise was generally minimal with fan speeds between 1K-1.5K rpm and drives kept at a uniform temperature of 48-53 degrees ...
In general temperatures for disks under 60 degrees are fine. In quiet mode the fans will still spin up if they need to.
mdgm wrote:
In general temperatures for disks under 60 degrees are fine.
Well, that depends on what you mean by "fine". The temps are within the manufacturer specs (which might be "fine" for many people), But I don't think they are optimal.
One study has found that drive failure rate starts to climb as drive temps go above 34 degrees C (http://www.cs.virginia.edu/~gurumurthi/papers/acmtos13.pdf figure 5) Table 2 in the same study shows that drives running at 55C have an AFR (annualized failure rate) that is twice that of drives running at 40C.
Google's classic drive study found a weaker correlation between drive temp and failure rate. Though they weren't focused exclusively on temperature, they did find higher failure rates with drive temps above 45 C.
BackBlaze sees no general correlation - although they did find a correlation for some drive models. But their drives are all run between 20-30 degrees C.
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