Provisioning with Stacki at NIST

ProvisioningwithStackiJustinSenseney

HPC/ISD/OISM/[email protected]

HighPerformanceComputingGroupIncluding:CarlSpangler,JustinSenseney,MarkWilliams

November30,2016 1

Overview

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• Disclaimer• AboutNIST• Ourideas• Existingsystem

• Hardware• Network• Software

• Newsystem• Stacki• SSHkeys• Directorystructure• Software• Modules

• Examples• Monitoring• Interactivejob• Parallelprocessing

Disclaimer

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• Anymentionofcommercialproducts,includingStacki,withinthispresentationisforinformationonly;itdoesnotimplyrecommendationorendorsementbyNIST.

AboutNIST• PartofU.S.DepartmentofCommerce• Non-regulatory

• Ametrologyinstitute– maintainsmeasurementstandards• Timeserver- time.nist.gov• Twofactorauthentication– HSPD12• Standardreferencedata

• Gaithersburg,MD• Boulder,CO

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Ourideas

• Orderingcartsformultiplecarts• Stackcompilecartforchanges• Versionnumberthatnodeisinstalledwith• Cleanupgradeprocesstopreservegit repository

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Existingsystem

• Inplacelast10+years:• Hardware– heterogeneoushardware

• Network– simple,flatnetwork

• Software– CentOS5,maui/torque,consistentimage

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Existingsystem

• Inplacelast10+years:• Hardware– heterogeneoushardware

• Supportdifferenthardwareconfigurations• Network– simple,flatnetwork

• Increasetopologycomplexity• Software – CentOS5,maui/torque,consistentimage

• Softwareinstalledonlocalmachine

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Hardware

• LocatedinGaithersburg,MD.• OwnedbyNISTscientificorganizationalunits,managedbyOfficeofInformationSystemsManagement(OISM).

• Nodes- 8GB/core,procured2010- 2016:• Differentvendors

• Network– infiniband,ethernet• Daisychainedswitches• Differentvendors

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Network• Protocols

• Infiniband onseparatecard• Etherneton-board

• Headnode• Login• Provisioning• Queuemanager

• FlatnetworkRaritanusesthistypicalHPCsetup.Allincomingconnectionsgototheheadnode.Picturefrom:http://www.udel.edu/it/research/training/config_laptop/

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Software

• Maui/Torque• systemimager – providedconsistentimage• CentOS5and7• SSHkeysshared

• Directories:• /usr/local/binforsharedsoftware• /tmp forlocalcomputing• /wrk forsharedstorage• /homeforuserdata

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NewSystem

• Stacki• SSHkeys• Directorystructure• Software• Modules

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NewSystem

• Stacki• SSHkeys• Directorystructure• Software• Modules

Rocks Stacki

Appliance Box

Roll Pallet

Distribution Cart

Stacki

• Stacki box• OurboxcontainsmultiplePallets• Ourboxcontains1Cart

13https://commons.wikimedia.org/wiki/File:Box.agr.jpghttps://upload.wikimedia.org/wikipedia/commons/8/88/A1210.jpghttps://commons.wikimedia.org/wiki/Category:Utility_carts#/media/File:Moebelhunt_fcm.jpg

Stacki


• Pallets• 3rd party,softwarewithdifferentversions


Stacki




Stacki



• Carts• Custom/configuredsoftware• Systemfiles


Stacki





Stacki





• Orderingcartsformultiplecarts• stackcompilecartforchanges

SSHkeys

• systemimager duplicatesssh keys,howdouserslogin

• Mungeauthentication:• Slurm letsuserslaunchcommandsusingmungeusingsharedkey

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SSHkeys



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SSHkeys



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SSHkeys

• systemimager duplicatesssh keys,howdouserslogin:


• SSHkeys:• HaveusersaddSSHkeyinhometo.ssh/authorized_keys

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SSHkeys

• systemimager duplicatesssh keys,howdousersloginnow:


• SSHkeys:• HaveusersaddSSHkeyinhometo.ssh/authorized_keys• Placedscriptfordoingthisin/share/sw <-- needunderstandabledirectorystructure

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Directorystructure

• Types• Configurationfiles• Stacki-usedfiles• Sharedsoftware• Stacki-createdfiles

• Maintenance• Git repositories

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Directorystructure

• /export/apps/configfiles• Agit repository

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Directorystructure

• /export/apps/configfiles – cartpullsfromhere• Agit repository

• /export/stack/carts/extend– theconfig cart• Agit repository

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Directorystructure



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• Versionnumberthatnodeisinstalledwith• Cleanupgradeprocesstopreservegit repository

Directorystructure



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Directorystructure



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Directorystructure



• /export/sw – 3rd party/licensedsoftwareinstalledhere• Cangetmessy

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Directorystructure




• /export/stack/spreadsheets• Createdbystacki

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Directorystructure




• /export/stack/spreadsheets• Createdbystacki

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Clustersoftware– wemaintain

• Localsoftware– ifoutofdatefileITACticket• /usr/local/bin• /usr/bin• IncludesLAMMPS,Python34,Paraview,FFTW

• Maintainedbyyumrepository,morelikelytobeuptodate• Useyumsearch[name]tofindmoreavailablesoftware

• Sharedsoftware– ifoutofdatecontactPOC• /share/sw• Anaconda,Gaussian,OpenFOAM,OpenMPI

• FixedversionsrequestedbyRaritanusers,onlyupdatedbyrequest

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Clustersoftware– allbyyuminstall• Programminglibraries:

• Lapack• MKL• ACML• BLACS• ScaLAPACK• CMLIB• Python• R• Java

• Editingfiles:• Nox11

• Vi• Vim• Emacs• Nano

• X11• Gedit• Sublime

• Comparingfiles:• Nox11

• Vimdiff• X11

• Kdiff3• Meld

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Modules

• Easiermanagementofenvironmentvariables• moduleavail• Gaussian,mpi,intel,hpc

• modulepurge

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Modules– Example

• moduleloadopenmpi

• moduledisplayopenmpi

• echo$LD_LIBRARY_PATH

• moduleremoveopenmpi

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Examples• Monitoring• Sview• Checkpacking

• Jobsubmission• sbatchBuilder• Srun• OpenMPI

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Sview

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Checkpacking

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sbatchBuilder• Helpsspecifycommandslikelastexample• Toget:sbatch –N3–pquick–carch=8myScript.sh• sbatchBuilder –N3 –c8 –qquickmyScript.sh

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Seelistofoptions

Srun

• salloc –nodes=4--ntasks-per-node=1

• srun hostname

• srun /wrk/jss7/makedir.sh /scratch/jss7

• scancel [jobNum]

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OpenMPI

• Integratingfunctiontoapproximatepi

• Canrunon1machine:• Moduleloadpgi• Moduleloadopenmpi

• mpicc cpi.c –ocpi

• Don’trunonheadnode

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OpenMPI – submissionscript

• Trympirun

• sbatch multijob.sbatch

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OpenMPI – submissionscript

• Trympirun

• sbatch multijob.sbatch

• sbatch –constraint=”haswell”–nodes=4

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OpenMPI – results

• 12workernodes

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OpenMPI – results

• 19workernodes

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Ourideas

• Orderingcartsformultiplecarts• Stackcompilecartforchanges• Versionnumberthatnodeisinstalledwith• Cleanupgradeprocesstopreservegit repository

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Questions?

• Myemail:[email protected]

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• Anymentionofcommercialproductswithinthispresentationisforinformationonly;itdoesnotimplyrecommendationorendorsementbyNIST.

Provisioning with Stacki at NIST

Technology

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