[GE users] How to clear internal hostname cache?

Kim Leng Goh kimleng.goh at gmail.com
Wed Mar 22 06:55:42 GMT 2006


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Step 3 didn't work.

$ qstat -f
denied: host "network-0-0.local" is neither submit nor admin host


Only thing I have not tried is restarting rcsge on the head node.
Since adding back the compute-0-7 node is less a priority than
ensuring the integrity of the jobs on the other nodes, I hope to find
another solution.

On 3/22/06, Kim Leng Goh <kimleng.goh at gmail.com> wrote:
> Wow, it's amazing that a normal user (not root) can execute
> /boot/kickstart/cluster-kickstart successfully:
>
> On 3/22/06, Joe Landman <landman at scalableinformatics.com> wrote:
> [...]
> > 3) if the above doesn't work, then you need to go to the tactical
> > battlefield weaponry and re-install that compute node.  Remove all
> > traces of compute-0-7 from the sge directories on the head node using
> > the qconf tools or the qmon tool, and restart sge on the head node.
> >
> > Note:  before you do the following, THIS WILL DESTROY DATA AND
> > CONFIGURATION FILES ON THE COMPUTE NODE.   Don't do this unless you have
> > no other choice.  Rocks will automatically set most everything up for
> > you, but if you have made changes, you are going to need to re-replicate
> > those changes.
> >
> > Only if you are really sure you want to do this.  Remember, data and
> > other bits will be forever lost from compute-0-7 if you follow these steps.
> >
> > Once you are really, really sure you want to do this, log onto the
> > compute-0-7 (DO NOT TYPE THIS ON THE HEAD NODE!!!!!!!) and type
> >
> >         /boot/kickstart/cluster-kickstart
> >
> > and then step away.
> >
> > The node will be rebuilt.  SGE will be re-installed.  Everything should
> > work.
>
>
> $ /boot/kickstart/cluster-kickstart
> Shutting down kernel logger:                               [  OK  ]
> Shutting down system logger:                               [  OK  ]
>
> Broadcast message from root (pts/0) (Wed Mar 22 14:42:28 2006):
>
> The system is going down for reboot NOW!
>
>
> > Unless the Rocks database is toasted.  Or the distribution has been
> > damaged.  But you have bigger worries if this is the case.
>

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