itojun@iijlab.net writes:

> 	Maybe very dumb question (I'm not a filesystem guy)...
> 
> 	Now update(8) is included in the kernel, and turned on by default.
> 	I would like to know how does it interact with fsck on root partition.
> 	When we do fsck on root partition to recover from fatal filesystem
> 	crash, we do:
> 	- make sure in single user mode, no update(8) running
> 	- run fsck on root partition
> 	- NEVER type sync, immediately type halt

I'd recommend making certain the FS is mounted read-only, or not
mounted at all.  halt _also_ syncs the disks, after all.

halt -n doesn't...

--Michael