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What file systems are you using on your devices and why?

I want to learn more about file systems from the practical point of view so I know what to expect, how to approach them and what experience positive or negative you had / have.

I found this wikipedia’s comparison but I want your hands-on views.

For now my mental list is

  • NTFS - for some reason TVs on USB love these and also Windows + Linux can read and write this
  • Ext4 - solid fs with journaling but Linux specific
  • Btrfs - some modern fs with snapshot capability, Linux specific
  • xfs - servers really like these as they are performant, Linux specific
  • FAT32 - limited but recognizable everywhere
  • exFAT - like FAT32 but less recognizable and less limited
eager_eagle ,
@eager_eagle@lemmy.world avatar

F2FS, because solid state and speed

soundconjurer ,
@soundconjurer@mstdn.social avatar

@Psyhackological
Work stations all run Ext4.
Main server: Ext4 on main partition, ZFS RAIDZ2 on the data.
Secondary server: BTRFS on main, BTRFS RAID1 on data.

If BTRFS could natively encrypt and had stable RAID6, I'd be using it probably on everything.

seaQueue , (edited )
@seaQueue@lemmy.world avatar

Btrfs, ZFS and ext4. My servers use ZFS, my client machines mostly use btrfs and I have a sprinkling of ext4 partitions for specific workloads. I’m all in on CoW filesystems for snapshots, send receive, transparent compression and reflinks. I like btrfs on client machines and SBCs because it’s easily available (baked into the kernel) and doesn’t require maintaining dkms or holding kernel versions until ZFS supports them and because snapshot handling and other filesystem admin tasks are simple and straightforward. I run ZFS wherever data integrity is important, eg: storage servers and backup targets, but largely prefer working with btrfs.

savvywolf ,
@savvywolf@pawb.social avatar

I’ve been basically using btrfs on a lot of my disks because of the features it has.

Before I switched to a borg based system, my backups partition used btrfs for compression.

My main OS disk is btrfs so I can use timeshift snapshots, which are really worth checking out if you tinker with your system a lot.

I have two more btrfs partitions software raid0’d together for my steam library, nix store and other big but loosable things.

And my main home folder uses btrfs because I think the checksumming thing it does is more reliable for error detection, and cow is more fault tollerant on power failure?

… And I now fell like I’m one of those people with an over engineered storage solution. I just never get rid of old ssds or hard disks!

ulkesh ,
@ulkesh@beehaw.org avatar

Btrfs, because I’ve heard good things.

possiblylinux127 ,

It is very hard to corrupt

n2burns ,

It’s all Ext4, but I run SnapRAID on top of that on my data drives. I’m sure lots of people would tell me I should use ZFS/BTRFS instead, but I’m used to SnapRAID, and I like the idea if something goes wrong, I won’t lose all my data.

ssm ,
@ssm@lemmy.sdf.org avatar

OpenBSD laptop: ffs2, vfat for efi system partition

OpenBSD server: ffs2

Linux phone running PmOS: ext2 boot partition, ext4 root partition

Void Linux VM: ext2

Alpine Linux VM: ext4

Steam Deck: ??? (too lazy to check, 9/10 chance it’s ext4)

loutr ,
@loutr@sh.itjust.works avatar

Yes the Steam deck FS is ext4.

Why ext2 on Void?

ssm ,
@ssm@lemmy.sdf.org avatar

I prefer not using journaling filesystems on flash memory, I haven’t had any major data integrity issues yet because of it. I would have made the Alpine fs ext2 as well, but I guess I missed it during install. I think you can just disable journaling in ext4 anyways, so if I care enough I’ll just do that.

MoogleMaestro ,

I use BTRFS for the snapshot and subvolume tools.

It is pretty good but usability is a mixed bag. Always getting better by the month though, it feels like.

kittenroar ,

Just ext4 on my Linux things; I got scared away from btrfs because of some file loss horror stories

possiblylinux127 ,

Ext4 is prone to corruption as it doesn’t have much error detection. Whatever you do don’t lose power.

HarriPotero ,
@HarriPotero@lemmy.world avatar

Been running BTRFS since 2010. Ext2/3/4 before that.

Using it for CoW, de-duplication, compression. My home file server has had a long-lived array of mis-matched devices. Started at 4x2TB, through 6x4TB and now 2x18+4TB. I just move up a size whenever a disk fails.

possiblylinux127 ,

Btrfs isn’t stable in big configurations. The big issue is that resilvering takes a long time and hurts performance. ZFS is the right answer.

mindbleach ,

NTFS for the drive I had before jumping to Mint. Currently reporting several hundred gigabytes free, but refusing to make any new files, because… I don’t know. I’ll deal with it after an upcoming move.

The OS / home SSD is ext4, and so is the fat loud hard disk I recently purchased through an entire month of fighting Amazon over gift cards.

possiblylinux127 ,

Defaults

So Btrfs, ZFS and ext4 for virtual

doubletwist ,

XFS on my server VMs and my laptops and desktops.

ZFS on my file server. I’d use it on my laptops and desktops too (and have done when I was using Xubuntu) but I’ve switched toFedora which doesn’t come with a way to easily install with ZFS and I don’t feel like jumping through hoops to get it done. And I can’t stand btrfs. I don’t know what it is about it, but I just don’t like it.

featured ,

ZFS for my server’s root pool and main storage pool. Ext4 with snapraid for my media pool. Currently btrfs on my desktop and ext4 under vanillaos on my laptop (not sure if I could partition it manually to use btrfs but I’m considering that for snapshots)

nickiam2 ,

I use ext4 for all boot drives and root filesystems. Anything really important goes on a ZFS array. And for my Linux isos, I use a drive with ext4 + snapraid. The parity drive has xfs because ext4 has a 16tb file size limit.

Got rid of anything NTFS as it was unreliable and slow on Linux.

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