> >> Necessary? Don't know but is meant to spare the SSD too much r/w strain. > > How? By spanning an LVM across the two, you have no control over which is > written to the most. I'd put / on the SSD then mount write-heavy > directories, like /var and /home, on the SD card. I'd also set $PORTDIR > to /var/portage (/usr is a daft place to put the portage tree anyway).
That's what I have, I think, sda1 is /boot approx 50M , sda2 is / approx 1G, then the rest of the SSD is spanned with the SD card, approx 11G, and committed to /usr /home /opt /var and /tmp just as in the gentoo doc LVM2. mw
