Default recommended partition setup

[whywhy]

What is the current default recommended (official ???) partition setup ?

Especially for /usr, should it be a separate partition or be part of / ?

P.S I am aware of the current debate on udev/systemd

[BillWho]

whywhy,

I'm not sure what the "official" layout is - or if there even is one. I just use a / and /home partition.
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Good luck

Since installing gentoo, my life has become one long emerge

[The Doctor]

There isn't one. eudev will allow you to keep a separate /usr without requiring your first born. Systemd my also require /var on / (or mounted via initramfs) to work properly. Personally, I split everything up into its own partition if possible.
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First things first, but not necessarily in that order.