Practical tasks for working with hard drives in Linux?

Question

linux

Actually, in the manuals and guides it is written how to partition a disk into sections, how to install a file system, how to mount disks, etc. Are there actually more practical tasks? Why do this if Linux itself does all this when installing?
What are the typical tasks?

Answer 1

There are enough practical tasks:
- clone partitions from one hard drive to another
- change the partition size
- restore the bootloader
- change the file system
- extract data from bad sectors
and much more

Answer 2

1. Here is a description of the purpose of sections and other things.
2. Here is also a description of the partitions and everything about disk layout.
Well, the answer is simple: if you have specific tasks and "wants", it is much easier to maintain the system in parts.
And as an example of a task, let's say that some of the work files should be encrypted, and some should not. To do this, we need another partition, which we will then mount as a separate folder for working files and save archive copies there through some kind of microservice thread.

Answer 3

try barmin's patch :) about tasks and examples - for basic scripts everything is written in the manuals

Answer 4

Practically, this is working with LVM - adding, removing, etc.

Answer 5

+ (to the above written
if you have a server and no graphical mode (only terminal)
generation of the USE ??? )))

Answer 6

+1 to the answer Vladimir Kuts .
Additionally - look at the tags, on the toaster almost every day they ask questions related to discs.

Answer 7

Why do this if Linux itself does all this when installing?

What do you store on disk?
If only OS, then you have no needs.
If you have a database that requires high iops, or a huge volume, and for example it is a live system, the disk volume needs to be increased, but you cannot stop it.
Or you need to make a backup, and the size is a couple of terabytes, and again you can’t stop - you need to make a backup somewhere and do it quickly, and be able to quickly restore it.
So you start to study what file systems with useful features are, raids, LVM, etc.