Any doc reference on /entropy file ?

[RW]

On Tue, 16 Dec 2008 21:39:56 +0100
Bernard Dugas <bernard at dugas-family.org> wrote:

> Wojciech Puchar wrote:
> >> 2- As / will be mounted read-only, how can i tell the ramdom
> >> generator to put this /entropy file somewhere in /var, where i
> >> think it should be ? Or is there any tricky hidden problem ?
> > 
> > man rc.conf  seek entropy_file and entropy_dir
> 
> Thanks, detail is available in /etc/default/rc.conf :
> 
> "entropy_file="/entropy" # Set to NO to disable caching entropy
> through reboots.
>                          # /var/db/entropy-file is preferred if / is
> not avail."
> 
> It means that i can put it in /var when L is read-only. There should
> be no problem as the file is choosen in rc.conf, so after /var is
> mounted.

Whatever it says in /etc/default/rc.conf, /entropy is read before /var
is mounted.