Sören,

have a look at package snowfall which provides sfIsRunning.

HTH

Claudia


Am 13.10.2011 06:34, schrieb Søren Højsgaard:
Is there a 'proper' way of checking if cluster is active. For example, I create 
a cluster called .PBcluster

str(.PBcluster)
List of 4
  $ :List of 3
   ..$ con :Classes 'sockconn', 'connection'  atomic [1:1] 3
   .. .. ..- attr(*, "conn_id")=<externalptr>
   ..$ host: chr "localhost"
   ..$ rank: int 1
   ..- attr(*, "class")= chr "SOCKnode"
  $ :List of 3
....

Then I stop it with
stopCluster(.PBcluster)
.PBcluster
[[1]]
$con
Error in summary.connection(x) : invalid connection

str(.PBcluster)
List of 4
  $ :List of 3
   ..$ con :Classes 'sockconn', 'connection'  atomic [1:1] 3
   .. .. ..- attr(*, "conn_id")=<externalptr>
   ..$ host: chr "localhost"
   ..$ rank: int 1
   ..- attr(*, "class")= chr "SOCKnode"

- but is there a way in which I can check if the cluster is active??

Regards
Søren
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--
Claudia Beleites
Spectroscopy/Imaging
Institute of Photonic Technology
Albert-Einstein-Str. 9
07745 Jena
Germany

email: claudia.belei...@ipht-jena.de
phone: +49 3641 206-133
fax:   +49 2641 206-399

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