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Re: ''New Yorkers are freaking out that Amazon's HQ2 could cripple the subway system, but...''

Posted by Henry R32 #3730 on Fri Nov 9 00:28:07 2018, in response to Re: ''New Yorkers are freaking out that Amazon's HQ2 could cripple the subway system, but...'', posted by AlM on Thu Nov 8 23:53:24 2018.

A properly designed datacenter doesn't need onsite staff (they're called 'lights out' datacenters). The only people who might need to go in are a network admin and hardware admin to do physical work (running cables, replacing failed hard disks, etc) and that really can be done during business hours or even on an adhoc schedule. It is impossible for a "critical piece of hardware" to fail because of all the redundancy and virtualization in place. You have ~10% more hardware than you need, a server fails, workloads automatically redistribute, and you get to it whenever it's convenient. Networks have 4 redundant paths so even networking equipment can fail and at most it's a "meh, we'll swap it out next Wednesday".

I've managed servers full time for the past 7 years and the only times I've even needed to be in the same building as them is for some one-off ancient legacy crap and swapping tape drives, both things a behemoth like Amazon doesn't have to worry about. Hell my last 2 trips into the data center (which spans 4 years) were both on tours.

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