[finnix] Attempting to be sneaky with pxeboot, need help.

Leonid Chaichenets chaichenets at int.uni-karlsruhe.de
Fri Dec 4 01:13:12 PST 2009


Hi,

> My goal is to boot finnix over the network, using only the kernel and
> the minirt image file. Then use the toram option, so no disk is
> needed. This will ultimately allow me to boot multiple machines to a
> finnix image for Disaster Recovery of a large amount of SLES servers.
> I am not in any way using NFSroot.
very cool idea, btw!

> Ok, so I mounted the old minirt file and copied the contents of
> /FINNNIX/* to /image/. I then hacked the init script to add a
> "frominit" option. All this does is trick the init script into
> thinking the media has been found, and copies the contents of /image/*
> to /ramdisk/cdrom. The "toram" option takes care of the rest of the
> dirty work.
Could you post your hack for reproducing the error?

> So that tells me my hacks work just fine, but I'm guessing the kernel
> needs to either have something added, or a couple config options
> changed? Can anyone point me in the right direction, or better yet
> provide instructions on what I need to do?
My first guess would be missing modules which are built-in into your 
regular linux image, filesystem perhaps. But again, please post your 
changes, so I (and anyone else) can have a deeper look.

> Also, what about adding this option to the next release? I'd be happy
> to provide the very minor changes I made to the init script. For me
> (and possibly others) this would be a very cool option for system
> recovery on a wide scale.

I‘d like to second that.


-- 
Best Regards,
Leonid Chaichenets.

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