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A typical data-center conversation, gently interpreted by the most famous crypto guys in the history: Alice and Bob. Due to the economical crisis, they had to accept sysadmin jobs in a smaller company to survive and have been assigned the task to manage the whole data-center and cut down any cost they could (long life Alice and Bob !).
Alice: "Hey Bob, crossing the datacenter I noticed there is an old Sparc box still turned on, do you know anything about it ?"
Bob: "Do you mean the Sun Fire E2900 ?"
Alice: "Yes, exactly"
Bob: "Eh, I don't know, it is not reported in the docs the previous admins left us !"
Alice: "Umpf ! Let me check how much power this piece of iron is wasting !"
Alice digs out an old SunSolve CD with the System Handbook and finds it.
Alice: "Hey Bob, this piece of iron, is using 3300W, do you have access to it ?"
Bob:"Yes, you login as a normal user, then su -, credentials are ......"
Alice: "Thanks. Doh, it was minimized, just core packages and the application, no snoop, grrrr !"
Bob: "What is it running ? "
Alice: "An old Solaris 9 with an old version of Oracle, and there are also some strange packages running, but it seems to me it's doing almost nothing"
Bob: "Alice, without more info, it's a risky idea to turn it off, let's keep it up, we'll solve issues with this in the next months, let's fix other things now."
Alice: "Nah, the manager was clear: turn off anything that is not critical to our business ! I just issued the shutdown command, I'll take the responsability if he asks."
Alice has an astonishing knowledge of all crypto stuff, from PKIs to Elliptic Curve, great security skills, her CV shines, but is not very experienced as a system administrator, but in these days, you have to work in some way !
The day after, the manager calls them both asking why this system was turned off. They tell him the truth. Apparently, this old piece of hardware was running an important metrics collection database forwarding data to other systems, that for technical reasons could not be moved or virtualized and an alternative solution was in the todo list of the architecture guy.
A better ending of this (not too much) fake and sad story would have been:
Bob: "Wait, let's check on Fl0wer, it has IP relationships, maybe we can get a clue"
Alice: "Good idea. Oh, see, it has database traffic with systems X and Y. Fl0wer data is refreshed daily, so it is still working, better leave it up"
Bob: "Is it monitored ?"
Alice: "I'm just adding it to our Nagios"