Subject: Re: Ensure coming back
To: Timo Schoeler <ml@macfinity.net>
From: Gary Thorpe <gathorpe79@yahoo.com>
List: netbsd-help
Date: 02/25/2004 13:37:33
 --- Timo Schoeler <ml@macfinity.net> wrote: > i'd suggest to use a
SPARC machine and get it connected to sth. like
> a 
> portmaster or another machine -- that makes sure that you'll have
> access 
> even to pre-boot functionalities (here: OpenFirmware).

This is true for ppc's, alpha's, and anything else with openfirmware
right?

Has there ever been a x86 machine that uses openfirmware???

> 
> furthermore, there may be reason to reboot or get into single-user
> mode: 
> new/fixed/optimized kernel, or installation of userland apps.
> 
> regards,
> 
> timo
> 
> >>> I need to make a netbsd 1.6.1 box ready for an envirionment
> without
> >>> people arround. There's only an network connection with telnet,
> no
> >>> keyboard or whatever. So I need to prepare the box to ensure it
> will
> >>> always stand by. (except hardware errors of course). I'm about to
> 
> >>> make a
> >>> hardware watchdog to reset the box if the OS would hang for
> whatever
> >>> reason.
> >>> One thing is that I already got problems with coming back after a
> >>> temporary power supply fail. Before mounting the partitions fsck 
> >>> found a
> >>> partition inconsistent and falls back into a single-user mode
> without
> >>> telnet or network connection. Something I absolutely don't want
> to
> >>> happen. Is there a way to ensure the system won't stop booting
> because
> >>> of this kind of problems?  
> >>
> >>
> >> Sooner or later, you're going to need remote access to the
> console, 
> >> if for
> >> no other reason than that single user mode is useful for all sorts
> of
> >> things.  
> >
> >
> > I can't see any reason for a netbsd network server to reboot as
> long 
> > as there are no remote exploitable vulnerabilities in the kernel 
> > itself or a hardware failure occurs.

Or a kernel panic...

> >
> > So, for the system coming up after power supply failure, you could
> do 
> > two things: mount the partions without soft dependencies and set 
> > fsck_flags in /etc/rc.conf.
> >
> > Martin
>  

______________________________________________________________________ 
Post your free ad now! http://personals.yahoo.ca