Re: No longer single-user on unclean fs?

From: Graham Perrin <grahamperrin_at_gmail.com>
Date: Sun, 24 Aug 2025 19:33:02 UTC
On 24/08/2025 17:37, polyduekes@proton.me wrote:
> …
>
> i agree with bz, there have been numerous times where i was dropped to 
> single user for unclean shutdown which could be fixed with fsck
>
> …


Have you tuned the delays for syncing files, directories, and metadata?

<https://man.freebsd.org/cgi/man.cgi?query=syncer&sektion=4&manpath=freebsd-current#DESCRIPTION>

If not tuned, IIRC there's a window of up to sixty seconds during which 
an unclean shutdown might result in data loss with UFS.

(I can't recall how I calculated the sixty, sorry.)