– How are servers maintained/repaired? When a server gets taken down for maintenance, what happens exactly?
In: Technology
It obviously depends on what the server is actually used for. Some common things are:
– Replacing hardware that show signs of aging (e.g. modern harddisks have built-in diagnostics that can tell you when the number of read-errors is over a certain threshold, indicating that reading may soon fail completely)
– Updating software and configuration, not only the main software, e.g. the game server, but also the operating system and tools. (While most of it _can_ be updated while in use, it is often a better idea to update it on one machine, try whether it works as intended, and then let users back onto it)
– Running various security scans that take up a lot of CPU (ever noticed how a virus scan causes your load to spike? Not necessarily something you want on a busy server)
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