Can you first try if this works: proof.conf: node localhost slave localhost slave localhost and: gROOT->Proof("localhost") This should create 3 proof processes on your local host. root [0] gROOT->Proof("localhost") **** Welcome to the PROOF server @ pcsalo.cern.ch **** **** PROOF slave server @ pcsalo.cern.ch started **** **** PROOF slave server @ pcsalo.cern.ch started **** PROOF set to parallel mode (2 slaves) Cheers, Fons. "Allen S. Dahili" wrote: > > Hi Fons, > > Thank you for your reply. > > I updated the inetd.conf before. I have just changed my proof.conf > according to your suggestion. Even if the proof.conf have only the "node > cluster" line, the same error messages occured. > > Allen > > > after updating /etc/inetd.conf you told inetd to reread its config file > > (or you did you reboot?). If not do that first. Further, try to just connect > > to the master server (comment out all lines except "node cluster". Also > > your config file should be: > > > > node cluster image=nfs > > slave cluster image=nfs > > slave node1 image=nfs > > slave node2 image=nfs > > slave node3 image=nfs > > > > > > root [0] gROOT->Proof("cluster") > > > Name (cluster:allen): allen > > > > > > *** Break *** write on a pipe with no one to read it > > > SysError in <TUnixSystem::UnixSend>: send (Broken pipe) > > > Error in <TUnixSystem::SendRaw>: cannot send buffer > > > SysError in <TUnixSystem::UnixRecv>: recv (Broken pipe) > > > Error in <TUnixSystem::RecvRaw>: cannot receive buffer > > > Password: > > > > > > *** Break *** write on a pipe with no one to read it > > > SysError in <TUnixSystem::UnixSend>: send (Broken pipe) > > > Error in <TUnixSystem::SendRaw>: cannot send buffer > > > Error in <TSlave::TSlave>: authentication failed for host cluster > > > Error in <TProof::Init>: failed to connect to a PROOF master server > > > root [1] -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248 WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7677910
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