Defer Checking on USB Drive

RW fbsd06 at
Mon Apr 14 20:38:39 UTC 2008

On Mon, 14 Apr 2008 22:12:52 +0200
Mel <fbsd.questions at> wrote:

> On Monday 14 April 2008 21:45:32 Andy Christianson wrote:
> > Is there a way to have the file system
> > check for the partition that resides on the USB drive follow this
> > same behavior?
> man tunefs, specifically, it needs to be ufs2 partitioned. Good
> telltale if it is ufs2 is the precense of a .snap directory in the
> root of the partition. fsck uses this to make a snapshot of the
> partition so that it can defer the fsck.

It's not just a matter of its being ufs2, you also need to have
soft-updates enabled for background file-checking.

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