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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Suggestions for filesystem. (lemmy.one)

submitted 6 months ago* (last edited 6 months ago) by wallmenis@lemmy.one to c/linux@lemmy.ml

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Hello all,

I have recently bought an external 4tb drive for backups and having an image of another 2tb drive (in case it fails). The drives are used for cold storage (backups). I would like a prefference on the filesystem i should format it. From the factory, it comes with ntfs and that is ok but i wonder if it will be better with something like ext4. Being readable directly from windows won't be necessary (although useful) since i could just temporarily turn on ssh on the linux machine (or a local vm) and start copying.

Edit: the reason for this post is also to address an issue i had while backing up to an ntfs drive on linux. I had filesystem corruptions (thankfully fixed by chkdsk on a windows machine) and I would like to avoid that in the future.

Edit2: ok I have decided I will go with ext4. Now I am making the image of the first 2tb drive. Wish me luck!

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[–] toothbrush@lemmy.blahaj.zone 26 points 6 months ago (2 children)

I recommentd ext4. Its extremely stable and easy to manage. Btrfs, zfs etc. is overkill for a pure data drive imo.

[–] Bogasse@lemmy.ml 13 points 6 months ago

Although it depends of the backup format :

If you store compressed tarballs they won't be of any benefits.
If you copy whole directory as is, the filesystem-level compression and ability to deduplicate data (eg. with duperemove) are likely to save A LOT of storage (I'd bet on a 3 times reduction).

[–] mbirth@lemmy.mbirth.uk 5 points 6 months ago (1 children)

This! And I’d probably add par2 parity files - just in case some bitrot happens.

[–] Laser@feddit.de 8 points 6 months ago

I can't tell if this is actual advice or irony