UFS1 vs UFS2

Sun Dec 30 15:38:47 UTC 2012

Since FreeBSD 9.0, you can choose between UFS1 and UFS2 in bsdinstall(8) when creating a new freebsd-ufs partition.

Q. Schwerkolt

> Date: Sun, 30 Dec 2012 14:21:26 +0100
> From: wojtek at wojtek.tensor.gdynia.pl
> To: freebsd-hackers at freebsd.org
> Subject: UFS1 vs UFS2
> 
> OpenBSD by default use UFS1 for partitions smaller than 1TB.
> 
> FreeBSD use always UFS2. UFS2 uses double the amount of space for inodes. 
> basic operation seems the same.
> 
> Does it make sense to use UFS1 for small filesystem (on SSD) that would 
> have few millions of files. It will take less space for inodes, but how 
> about performance?
> 
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