Ext4 or Btrfs for NAS Build

isaranghi · 19. März 2024

Hello,

I am very new to OpenMediaVault. Currently I have OMV 6 installed inside a Proxmox VM. I have 2 x 4TB Data drives. There is no Raid. I use 1 x 4TB drive for Sharing over SMB (mostly saving photos, documents etc).. and the other 4TB drive is in a USB Enclosure for Backup. I use rsycn to daily sync the Internal drive to that External drive.

For my above usecase, what would you guys suggest.... should I use ext4 filesystem or btrfs?

Thanks.

chente · 19. März 2024

With a single drive there is no reason to use BTRFS, unless you use snapshots.

olduser · 19. März 2024

I'd use EXT4.

That said, a long time ago BTRFS _WAS_ intended to supersede EXT4 as the default FS but, apparently that idea didn't go as smooth as butter. It did apparently creep into some disctro's but, I'm not sure which. There is benefits to using it that are parallel to its old mentor ReiserFS, but you'll have to look those up as I don't remember the details. With zero documentation to back this up nor personal experience, I have seen people recommend it for USB connected drives... no idea why.

Ext4 or Btrfs for NAS Build

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