Errors, See also | PAR Technologies V5 guide

ACK is sent piggyback within the next regular packet to this node or as soon as a retransmission occurred.

If set to 1, each RDP packet received is acknowledged by an explicit ACK.

Errors

No known errors.

See also

psid(8), psiadmin(1)

ParaStation5 Administrator's Guide

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Image 49

PAR Technologies V5 manual Errors, See also

Contents

Administrators Guide Info@par-tec.com ParaStation5 Administrators Guide Table of Contents Problem different groups of nodes are seen as up or down History of ParaStation Introduction About this document Runtime daemon Technical overviewLibraries Kernel modules License Prerequisites InstallationHardware Software Directory structureKernel version Getting the ParaStation5 RPM packages Installation via RPM packagesMan Mpi2, mpi2-intel, mpi2-pgi, mpi2-psc Compiling the ParaStation5 packages from source Installing the RPMsFile Version Etc/init.d/xinetd reload Installing the documentationParaStation entries Further steps Installing MPI# rpm -Uv psdoc-5.0.0-1.noarch.rpm # rpm -Uv psmpi2.5.0.0-1.i586.rpm Uninstalling ParaStation5 ParaStation5 Administrators Guide Configuration of the ParaStation system ConfigurationCopy template Define Number of nodes # /opt/parastation/bin/testconfig Enable optimized network driversHostname id HWType runJob starter accounter Testing the installation # /opt/parastation/bin/testnodes -np nodes # /opt/parastation/bin/psiadmin -s -c list ParaStation5 pscom communication library Insight ParaStation5 Directory /proc/sys/ps4/state # echo 10 /proc/sys/ps4/state/ResendTimeout# cat /proc/sys/ps4/state/connections Directory /proc/sys/ps4/local Controlling process placement Using non-ParaStationapplications Using the ParaStation5 queuing facilityExporting environment variables for a task Export LDPRELOAD=/opt/parastation/lib64/libp4tcp.so Controlling ParaStation5 communication paths Pspshm or Pspsharedmem Authentication within ParaStation5PSPP4S or PSPP4SOCK Export PSPLIB=/opt/parastation/lib64/libpscomopenib.so Single system view Homogeneous user ID spaceParallel shell tool Nodes and CPUs Integrating external queuing systems Integration with AFSTok2env PSIRARGPRE0=/some/path/env2tok Multicasts Copying files in parallel Using ParaStation accounting# UseMCast Route add -net 224.0.0.0 netmask 240.0.0.0 dev ethX Using memory binding Using ParaStation process pinningChanging the default ports for psid8 Spawning processes belonging to all groups Port Problem psiadmin returns error TroubleshootingProblem node shown as down Problem bad performance Problem cannot start parallel taskProblem different groups of nodes are seen as up or down Problem cannot start process on frontend Problem psid does not startup, reports port in use Problem pssh fails Problem processes cannot access files on remote nodes Reference Pages ParaStation5 Administrators Guide Parastation.conf InstallDir inst-dir , InstallationDir inst-dirDescription Parameters Startscript SetupscriptStopscript Statusscript Openib P4sockMvapi Elan NrOfNodes num Accounter $GENERATE 1-96 node$0,2 $0 Node node17 16 HWType ethernet p4sock starter yes runJobs no DeadInterval num SelectTime timeLogLevel num MCastGroup group-num CPUTime time Core sizeDataSize size MemLock size Proc CPUmap map Processes maxprocs StatusTimeout ms RdpTimeout msRdpClosedTimeout ms RdpResendTimeout ms See also Errors ParaStation5 Administrators Guide Synopsis PsiadminOptions Standard Input Standard ErrorStandard Output Extended description All ExitAllproc cnt count Down Count hw hwHardware Load Summary max max RdpQuit User nodes Accounters nodesGroup nodes Maxproc nodes FreeOnSuspend nodes Master nodesHandleOldBins nodes NodesSort nodes Rlrss nodes Cpumap nodes StatusTimeout nodes RdpTimeout nodesRdpClosedTimeout nodes RdpResendTimeout nodes Restart nodes Resolve nodes Psiddebug mask nodes Selecttime time nodes Pattern Name Description HandleOldBins 0 1 nodes Rdpmaxretrans val nodes StatusTimeout ms nodes RdpTimeout ms nodesRdpClosedTimeout ms nodes RdpResendTimeout ms nodes Quiet FilesNormal Verbose Psid Debug=level Configfile=fileLogfile=file Filename TestconfigNum ? , --usage Show a help message ParaStation5 Administrators Guide Np num TestnodesCnt num Map ParaStation5 Administrators Guide Testpse -npnum Testpse ParaStation5 Administrators Guide Sock P4statNet ?,--help ParaStation5 Administrators Guide Add P4tcpDelete ParaStation5 Administrators Guide Pattern Description Psaccounter Coredir=dir Dumpcore?, --help Var/account/yyyymmdd Accounting files, one per day Psaccview Lu,--ltotuser Lj,--ljobsLg,--ltotgroup Ls,--ltotsum Aqtime CpuweightCputime End Initialization file Mlisten ParaStation5 Administrators Guide Appendix A. Quick Installation Guide # chkconfig -a /etc/init.d/parastation # /opt/parastation/bin/psiadmin psiadmin addTesting Appendix B. ParaStation license Page Page Page # psiadmin -s Building and installing ParaStation5 packagesAppendix C. Upgrading ParaStation4 to ParaStation5 Changes to the runtime environmentPage ARP Glossary See ParaStation Logger To share a common address space within a node ParaStation5 Administrators Guide