Re: What is difference between zfs and ufs?

From: Paul Mather <paul_at_gromit.dlib.vt.edu>
Date: Mon, 17 Aug 2026 19:32:11 UTC 
On Aug 17, 2026, at 3:14 pm, Wojciech Puchar <wojtek@puchar.net> wrote:

>> UFS is just a regular file system, ZFS provides snapshots, logical volumes (datasets), RAID, encryption etc.
> UFS is bullet proof with near 40 year history.
> The only case that you may lose lot of data is that your disk fail completely and is not mirrored or in other RAID protection.


Unless something has changed fairly recently, to my knowledge UFS does not have any explicit mechanism for combating silent data corruption.  This is different to ZFS, which, unless you disable it, explicitly does.

Cheers,

Paul.