lucas-mior

BTRFS and RAID

Basics

There is a lot of confusion about btrfs and its RAID features. Let's start from the basics:

• RAID stands for "redundant array of inexpensive/independent disks". It is a way of organizing disks.
• There are hardware and software RAID implementations, for instance:
  • mdadm is a software implementation found in the linux kernel

• some CPUs have hardware RAID

lucas-mior

archlinux install with (almost) full disk encryption, btrfs and RAID

This tutorial is not ready yet.

This tutorial focuses on the disk setup and boot process. You should be familiar with a standard archlinux installation to follow along. However, I also added some general things that the archlinux installation guide fails to adress.

Setup

• 2 disks of 2TB each

lucas-mior

" How to save and quit vim intuitively
" C-s -> save
" ZZ  -> save then close buffer:
"        - if last buffer, also quit vim.
"        - if more then one window open, close the window
" :q  -> close buffer:
"        - if not saved will error.
"        - if last buffer, also quit vim.
"        - if more then one window open, close the window
" :qa! -> quit vim, no matter what

lucas-mior

C - still no replacement

People who design languages can't resist the temptation of doing clever stuff. The result if that we still are having to deal with C problems that could have been solved years ago. Until this is done, we are stuck with this language.

Real issues with C

• Lack of namespaces
• Preprocessor is bad
• Enums don't have explicit integer type

lucas-mior

import atexit
import sys
import os
import time
import readline
import inspect
import pyperclip

import math
import cmath