On Tue, Mar 27 2012, Alan McKinnon wrote: > All you need is a decent amount of free disk space as you will shuffle > things around just like in that 15 pieces game.
This sounds encouraging. My disk is less than half full so space is not an issue. > Assuming / is the first (or second) partition on a disk: Question. For me, / is actually /dev/sda5 (sda4 is the extended partition, the three in front are one dell's special, and two for windows, the latter only used when contacting dell for diagnostics). But I think this difference is not material. > Measure how much data is on the file system. > Measure how much data is on the /usr file system. Right > Move partitions after / on the disk out of the way creating enough free > space to contain current / and /usr. Question. /dev/sda7 is LVM and that is used for /usr, /local, et al. How do I move an LVM partition? I could make plain partitions and just copy /usr, /opt, et al., each to a separate partition. Is that the way? > Enlarge / partition, enlarge the file system on it, copy contents > of /usr there. / is ext3, which I believe can be extended live. Or do you recommend using a gentoo install CD (or equivalent)? > Arrange the rest of your disk the way you want it (either with or > without LVM, both are easy enough to do). > Move the rest of your data back to it's final destination. > Delete any last remnants of the old /usr partition. This part seems straight forward and not scary since I still would have the newly created and copied /usr, /opt, et al. partitions in case something goes wrong. So the result would be / (including /usr) on one partition (not LVM) /local, /opt et al., each as separate LVs on my recreated LVM partition I believe this is one of the configurations others have adopted, which I consider a plus. The other favored configuration is to keep the current partition scheme and use an initramfs via genkernel, dracut, or Neil's "in kernel config" soln. I would suspect there are second order improvements such as moving /usr/portage and /usr/src to LVM with symlinks left behind in /usr, but I am now just concerned to see if I have the basic plan correct. Have I? thanks, allan
