[Mauiusers] unexpected hostname expansion in HOSTLIST

Roy Dragseth roy.dragseth at cc.uit.no
Sat Oct 30 04:48:56 MDT 2010


This is because of regexp mandates matches on the shortest substring found.  
Put a word boundary marker, \b, at the end of the nodename and you should be 
fine

In maui cfg

SRCFG[.....]  HOSTLIST=node1\b,node2\b

on the commandline you need another quote

setres node1\\b

or 

setres "node1\b"

r.



On Friday, October 29, 2010 14:12:14 Burkhard Bunk wrote:
> Hi,
> 
> I'm using maui-3.3 to configure standing reservations,
> using the HOSTLIST parameter:
> 
> #
> # maui.cfg
> #
> SRCFG[...] HOSTLIST=...
> 
> There I discoverd by accident, that hostnames are always expanded:
> each nodename is completed in all possible ways.
> If I have "node1" and "node10", the specification of "node1" will always
> include "node10" as well (and "node" will include all possible
> completions).
> 
> You can easily experiment with this "feature" on the command line:
> 
>  	setres node1
> 
> will display the list of affected nodes.
> 
> The Maui documentions doesn't mention this "feature" at all, AFAIK.
> 
> However, there is a discussion in the Moab Workload Manager
> Administrator's Guide, part 12.1.4. The control characters mentioned there
> don't seem to work for MAUI. They also mention a MOAB parameter
> "OBJECTELIST", which may be of some help, but the details are left as an
> execise. Could this work for MAUI as well?
> 
> The simple problem remains: how to specify "node1" _only_, if other
> hostnames like "node10" are also around.
> 
> Best regards,
> Burkhard Bunk.
> ----------------------------------------------------------------------
>   bunk at physik.hu-berlin.de      Physics Institute, Humboldt University
>   fax:    ++49-30 2093 7628     Newtonstr. 15
>   phone:  ++49-30 2093 7980     12489 Berlin, Germany
> ----------------------------------------------------------------------
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              phone:+47 77 64 41 07, fax:+47 77 64 41 00
     Roy Dragseth, Team Leader, High Performance Computing
         Direct call: +47 77 64 62 56. email: roy.dragseth at uit.no


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