Kb164

Emulab FAQ: Testbed Operations: How can I put nodes in hwdown state for hacking?

You could just create an experiment with the desired nodes by using "tb-fix-node bpcXXX" in the NS file.

But if you really want to put nodes in hwdown:

	withadminprivs sched_reserve emulab-ops hwdown pcXXX ...

If the node is currently free, it will immediately be put in hwdown. If the node is currently allocated to a regular experiment, you will then have to swapout that experiment to force the node into hwdown.

If the node is currently in a special experiment like "reloading", you can free individual nodes with, for example:

	nfree emulab-ops reloading pcXXX ...