Re: [BProc] node status is always down

[Sadanand K. <sa...@ci...>]

Hi,
Erik - thanks for reply.
I started the slave with -d option and its not exiting, but
the node status is still down. Also,where are the the log files.
/var/log/beowulf has no files.

How do I check the "magic cookies"?

Sadanand



On Tue, 23 Jul 2002, Erik Arjan Hendriks wrote:

> On Tue, Jul 23, 2002 at 03:28:41AM -0500, Sadanand Kota wrote:
> > Hi,
> > I have installed bproc on 2 of my linux systems taking the RPM from
> > Clustermatic.
> > I am able to run bpmaster and bpslave succesfully. But when I check the
> > status of the machines using bpstat, It always gives status as down.
> > If I try /etc/beowulf/node_up 0, the ouput is
> >
> > 	node_up: Setting system clock.
> > 	error moving to node 0: Invalid argument
> > 	Fatal error performing:  /usr/lib/beoboot/bin/bdate 0
> >
> > (The same with /etc/beowulf/node_up 1)
> >
> > Any idea how to change node status to up?
>
> "down" means that the slave is not connected to the master.  That
> basically means that the slave either isn't connected with TCP or it
> hasn't sent the right magic cookies.
>
> There's no way to change "down" to anything else manually.  Once the
> slave connects, the state will change to boot and the maste rdaemon
> will run /etc/beowulf/node_up.  If that exits with status 0, the state
> will change to up.  Otherwise the state will change to error.
> Manually setting the node state to "down" (with bpctl) will cause the
> slave to be disconnected.
>
> I'd check to make sure bpslave is actually connecting to the master.
> Try running bpslave with -d to make sure it's not just exiting with
> some error.  Also, check the system logs.
>
> - Erik
>