One more thing to watch out for at data centers - fire drills

Sascha Pollok sp at
Sat Sep 17 13:16:33 UTC 2016

> Releasing inert gas from fire suppression units that were over pressurized 
> resulted in an extremely loud noise – causing cabinets full of hard drives 
> to vibrate – which got transmitted to the read – write heads of the drives.
> Amazing sort of outage + data loss, and this time the physical security 
> plant chief gets to write up the RCA.

A quick comment: for the N2 systems we built in our datacenters we added 
mufflers to reduce the noise which raised the price for the system by only 
5%. Totally worth it. Yet many datacenters do not add them.


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