I've had the same needs for boot control. I thought I had opened a Feature Request for it in the past but I couldn't find it, so I opened another one.
http://sourceforge.net/tracker/index.php?func=detail&aid=779750&group_id=9368&atid=359368
In the meantime, what I've done as a workaround is put the PXE boot in the boot order after the local HD. Then, if I want a node to rebuild... I just mung the boot sector on the HD so it's not a valid boot device, and reboot. When the HD isn't valid, it moves on and does a PXE boot. After the node is rebuilt, the HD is of course a valid boot device again.
To mung the boot sector, I use:
dd if=/dev/zero of=/dev/hda count=2 (or /dev/sda, given the system)
Hope that helps-
Jeremy
At 02:48 PM 7/29/2003 +0200, Vuko Brigljevic wrote:
Hi Rainer,
On Tue, 29 Jul 2003, Rainer Schweinfest wrote:
> when you have updated the image on the server you can use cpushimage from > the C3 tools to update the client nodes. It is not necessary to do a > complete reinstall the clients.
Yes, but I think that you need in that case to define a set of host specific files to be excluded from the update in some configuration file. Otherwise, this would brake the client systems (I think I had tried it and noticed that modules.conf got overwritten). Can anybody tell me more about that configuration file: file name, syntax (best with an example), which files should be included.
thanks,
Vuko
===========================================================| Vuko Brigljevic, EP Research Fellow | CERN - European Laboratory for Particle Physics | --------------------------------------------------------- | Mail Address: CERN, Div. EP, 1211 Geneve 23 (Switzerland) | Office : B40-2B08 | Phone : +41-22-767 1662 | www : http://cern.ch/vuko | ===========================================================|
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