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Are hardware sysadmins a different caste? Unless you you mean having own networking (like a router/ASA in addition to the server, or even your own private fiber), of course, and those CCNAs etc. Or those experts on some specialized hardware, like giant FC SANs or whatever one might fancy. If, when talking about "bare metal" we go to those extremities, then, sure, cloud is unbeatable. I believe, usually, "bare metal" hosting means you order the hardware, get it installed, but networking/cooling/power supply/etc are done by the datacenter people, not your own staff (your own staff may be not even permitted to enter the server room). No less-common specialized hardware to deal with, either. System engineers must known OS internals well. If they do, it's unlikely they can debug, say, a kernel memory leak (which can be a thing in a VM), but not a lockup in a network card driver's interrupt handler (which is close to impossible in a cloud VM, but I saw this on a bare metal). Maybe I'm wrong, but that would be, like, too specialized and just weird sort of specialization. Am I wrong? |