Hello,

I am going to upgrade my server, taking advantage of the fact that I am going to be able to put more hard disks, I wanted to take advantage of this to give a little more security (against loss) to my data.

Currently I have 2 hard drives in ext4 with information, and wanted to buy a third (same capacity all three) and place them in raid5, so that in the future, I can put more hard drives and increase the capacity.

Due to economic issues, right now I can only buy what would be the third disk, so it is impossible for me to back up the data I currently have.

The data itself is not valuable, in case any file gets corrupted, I could download it again, however there are enough teras (20) to make downloading everything a madness.

In principle I thought to put on this server (PC) a dietpi, a trimmed debian and maybe with mdadm make the raid. I have seen tutorials on how to do it (this for example https://ruan.dev/blog/2022/06/29/create-a-raid5-array-with-mdadm-on-linux ).

The question is, is there any way without having to format the hard drives with data?

Thank you and sorry for any mistakes I may make, English is not my mother language.

EDIT:

Thanks for yours answers!! I have several paths to investigate.

I currently have an Odroid H4C that has two SATA with two 12TB hard drives.

It's starting to get too small, so I was thinking of taking the step and move to a 4/5 bays NAS and reuse the disks (the other option was to add disks via USB).

What NAS do you recommend me to continue being able to have my *ARR suite + torrent + nextcloud + syncthing + small services(gitea, trillium notes, etc)?

I would like to already have some redundancy, can I use the hard drives as they are or will I have to do something to them besides adding other hard drives? (my idea was to add one more disk of 12 to have redundancy and already expand space with a fourth disk)

Edit:

I wan't to buy and forget, so no to build myself.

I really don't think in any budget, but as cheat as can be, without loss any funcionality that i stated before.

I run my services mostly in docker

Currently stream in my lan without any web, in samba folders but jellyfin could be interesting (not Plex, trying to FOSS to maximum)

The redundancy is for data safe

Thanks for your answers

Hi, all

How do you install a demo from steam, i have strugling both in steamdeck and mint.

Currently to test some games in desktop i have the work around of install under windows (the library is shared between linux and windows steams).

But in steamdeck i dont have a microsd with windows.

Thanks

Hi,

Some friends publish to a reddit, i want to selfhost a lemmy instance and make a backup of this reddit.

Its posible? in some automatic way?

regards