On 2022-06-01 19:07:24, Hendrik Boom wrote:
> On Wed, Jun 01, 2022 at 05:16:05PM -0500, o1bigtenor via Dng wrote:
> > On Wed, Jun 1, 2022 at 4:57 PM tito via Dng <dng@???> wrote:
> > >
> > > On Wed, 1 Jun 2022 16:34:21 -0500
> > > o1bigtenor via Dng <dng@???> wrote:
> > >
> > > > Greetings
> > > >
> > > > When the parts get here I'm going to be installing Devuan testing on
> > > > the system.
> > > >
> > > > I have not ever installed like this so first the configuration.
> > > >
> > > > Ryzen 7 3800X
> > > > Asus TUF Gaming X570-Pro mobo
> > > > 64 GB ram
> > > > 2 - 1 TB M2 drives
> > > > 2 - 1 TB SSDs
> > > >
> > > > I want to set the system up so that the drives are 2 sets of Raid-1 with
> > > > (proposed)
> > > > set 1
> > > > /efi, /boot, /, /usr, /usr/local, /var, swap

>From memory /efi has to be read by the BIOS / UEFI, and has to be a FAT
partition. It later gets mounted to /boot/efi.

> > > > set 2
> > > > /home
> > > >
> > > > How do I set up the raid arrays?
> > >
> > > They could be easily setup during installation process in the disk partitioning step if I recall
> > > it correctly. See https://wiki.debian.org/DebianInstaller/SoftwareRaidRoot
> > > for more info (just the first part).
> >
> > Interesting - - - that wiki is current as of 2012.
> > That's why I wasn't trusting the information - - - - the newest stuff
> > I could find was
> > some 3 or 4 years old and I've found that newer stuff has different
> > gotchas than
> > the older versions.
> >
> > The assumption is that LLVM is used on top of the array. (from the wiki)
> > Is that necessary?
> > (I've never used LLVM to date!)
> >
> > My idea was to partition the disks just like normal after the array was built.
> > Is that possible?
>
> Yes, it is possible. I use LVM over RAID on my system because it offers more flexibility if I have to repartition.
>
> In fact, I have two separate RAID 1's -- one for partitions that are divided up the traditional way, and the other for partitions that are done with LVM.
>
> /boot is on the traditionally divided RAID. Back when I set it up, if /boot was on a RAID it had to be a RAID of the old format, not the new. I don't know if that still applies.
>
> And, LVM is the Logical Vomume Manager. LLVM is the Low Level Virtual Machine, used by some compilers (such as clang) in generating object code.
>
> -- hendrik

Note that you can use mdadm, or LVM on top of mdadm. I stick with mdadm
RAID on my server coz I don't need the extra flexibility, and it's less
complex.

--
A big old stinking pile of genius that no one wants
coz there are too many silver coated monkeys in the world.