Pandu Poluan <pandu <at> poluan.info> writes:
> Everytime I read some guide on LVM, my eyes becomes blurry, the room > starts spinning, and I can hear wolves howling ... :D > Seriously, LVM looks mighty nice, but it also looks (and is!) mighty complex. I feel your pain.... I too have had trouble sorting out new installs with raid, GPT, and LVM. Have you seen these guides? http://www.gentoo.org/doc/en/gentoo-x86+raid+lvm2-quickinstall.xml http://www.rodsbooks.com/gdisk/ > So, I want to start from something simple. > Comments, suggestions, are welcome :) (OK) Well the problem is multifaceted, imho, with LVM being just a singular issue among the mix. Grub is evolving and the old grub has troubles with RAID. Add mdadm, disk over 2T, UUID and the issues becomes really murky quickly. What (IMHO) needs to happen, is the community needs to write some install guides, based on notes from several installations, that allow for various types of installations (with explicit syntax in-line) that starts from simple to complex. If we keep using the same installation semantics (examples) then the only thing that will change is the additional information on the installation complexity. We could use the new gentoo wiki for development. I know much of this is redundant with the handbook for installation, which would still be the "master reference" for installations, but there would be a multiplicative example base to compliment the handbook and more specifically focused to the issues of a given installation. There is precedence for this; The handbook already has version for different hardware architectures. So what I'm proposing is that when someone feels motivated, keep notes on your particular installation details, and post the notes (as a work in progress) to the gentoo wiki. Then the next time someone performs an installation, then look at the 'work in progress', use the example, edit (add more detail) to the example, and update the wiki. Over time these guides, focused on a particularly specific example, could be referenced along with the installation handbook, as a compliment. Just look at the handbook in section 4, Preparing the disk. Woefully antiquated! So I would also break it down into (2) main examples. One with a very simple boot/root/swap scheme and another with many physically separate partitions, such as (Pandu) seeks. In the second example of many (maximum) partitions, a discussion of the merits, such as why /tmp should be on a separate partition and such could be included. In fact, if only these (2) examples were developed, we could removed the parts of the installation instructions, such as GPT, or LVM or RAID in order to create the other simpler installation instruction guides. Also how you reference the drives (UUID) in the fstab is an integral part of the installation landscape, that is changing. Not to mention legacy bios and the latest issue of UEFI. Personally, I've made several attempts to install a new work station with RAID 1 on boot/root/swap, using 2T seagate drives, some time ago. I did not want to use LVM and grub would not boot. I think I'll give that install another whirl and yes, I'll post to the wiki, once I get it right. hth, James
