Supercomputer Systems and Central Services by JSC
Supercomputersysteme und zentrale Dienste des JSC
Messages of the Day - Aktuelle Meldungen
Last change: 22.05.2012 17:07:44
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Supercomputer Systems and Central Services by JSC
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| JUROPA & HPC-FF (Bull/SUN) | JUDGE | JUGENE (IBM BlueGene/P) | JUQUEEN | Network | Storage | Printer |
******************************************************************************* * Welcome to JuRoPA / HPC-FF * * * * Information about the system, latest changes, user documentation and FAQs: * * http://www.fz-juelich.de/ias/jsc/juropa * ******************************************************************************* * The next planned maintenance slots for Juropa/HPC-FF will be on * * Thu May 31, 2012 from 8:00 until 18:00 h * ******************************************************************************* * Juropa/HPC-FF Tue, May 22, 2012 * * will not be available due to SW and HW maintenance on * * Thu, May 31, 08:00 - 18:00 * * * * The batch system software (Moab) will be upgraded to a newer version during * * maintenance. Already queued jobs should not be affected by the update. * * Please let us know in case of unexpected problems. * * * *******************************************************************************
####################################################################### # Welcome to JuDGE # # Juelich Dedicated GPU Environment # #---------------------------------------------------------------------# # Information about the system, latest changes, # # user documentation and FAQs: # # * http://www.fz-juelich.de/ias/jsc/judge/ # # * /opt/moab/README_JUDGE # #---------------------------------------------------------------------# # cpu throttling disabled on the frontends. CPUs now permanently # # operate at 2.8 GHz. # # PN Sat Mar 3 08:16:43 CET 2012 # #---------------------------------------------------------------------# # New NVIDIA driver 295.41, CUDA 4.2 installed. Default is still 4.0 # # Tue May 22 10:22:26 CEST 2012 # #---------------------------------------------------------------------# # New driver messes up permissions of device. GPU jobs might not work.# #######################################################################
******************************************************************************************* * Welcome to the 72 racks BlueGene/P system JUGENE at FZJ! * Information about the system, latest changes, user documentation and FAQs: * http://www.fz-juelich.de/ias/jsc/jugene * * Filesystems for $ARCH are NOT mounted on IONs. * For all parallel IO - use only filesystem $WORK (/work/<group>/<userid>)! * Filesystem $WORK is not backed up and files are deleted after 90 days! * * Submit jobs with a wall_clock_limit << 24 h to optimally fill up the machine. * There will be NO refunds of cputime on possible job aborts due to hardware errors. * Jobs requesting more than 32 racks will run on demand only (please submit). * * adsmback: /gpfs/automountdir/homeX must be selected in the GUI as restore location: * Following location + /gpfs/automountdir/homeX + Restore complete path * * Accounting: * http://www.fz-juelich.de/ias/jsc/EN/Expertise/Supercomputers/JUGENE/UserInfo/CPU_Quota_Job_Accounting.html * * $ARCH: * Don't rename directories in $ARCH, because all data will have to be restored from tape! ******************************************************************************************* * December 2011: JUGENE Web address has changed: http://www.fz-juelich.de/ias/jsc/jugene ******************************************************************************************* * Calculation of CPU time and quota * * From 01.03.2012 on, the available computing time quota will no longer be specified * in "contingent units" (KE), but in "core hours". This representation, which is also * used by many other computer centres, has the advantage of an improved view on the user's * compute time quota. Independently of the new unit, the computing time calculation depends * as before on the assignment times of full nodes to the user program, where partly * used nodes always count as full nodes (one JUROPA node consists of eight cores, * one JUGENE node of four). * * Hint: * During the transition period (29.2.2012 - 1.3.2012) neither the command q_cpuquota nor * the web interface "Usage statistics (for project leaders only)" is accessible. * * In case of questions, please do not hesitate to contact * SC-support at Juelich Supercomputing Centre * Email:sc@fz-juelich.de * Phone: +49-2461-61-2828 *******************************************************************************************
******************************************************************************************* * Welcome to the 4 racks Blue Gene/Q system JUQUEEN at FZJ! * Information about the system, latest changes, user documentation and FAQs: * http://www.fz-juelich.de/ias/jsc/juqueen * * For all parallel IO - use only filesystem $WORK (/work/<group>/<userid>)! * Filesystem $WORK is not backed up and files are deleted after 90 days! * Filesystems for $ARCH are NOT mounted on IONs. * * Schedule (plan): * JSC internal tests start 8.5.2012 * User production on 4 racks 16.5.2012 (R10, R11, R12, R13) * Integration of add. 4 racks 29.5.-03.6.2012 (no user access) * + Acceptance of 8 racks * User production on 8 racks 4.6.2012 ******************************************************************************************* * Installed Compiler Versions: * IBM XL C/C++ for Blue Gene, V12.1 Version: 12.00.0000.0005 * IBM XL Fortran for Blue Gene, V14.1 Version: 14.00.0000.0005 * For manuals and slides from workshop, see: /usr/local/BETA_compiler_doc/ * * BG/Q version of CPMD available in /bgsys/local/cpmd * * Differences between jugene FEN (SUSE Linux) and juqueen FEN (RedHat Linux) * .bashrc is not executed by default and must be called explicitly by .bash_profile * * Differences between LoadLeveler job scripts on jugene and juqueen * #@bg_connection --> #@bg_connectivity = Torus | Mesh | Either | <Xa> <Xb> <Xc> <Xd> * mpirun --> runjob [-np <n>] --exe <excutable> [--args <args>] [--ranks-per-node <r>] * new LoadLeveler command: llbgstatus ******************************************************************************************* * 16.05.12 11:00 Production start with users from FZJ and JARA! * Please report all problems to sc@fz-juelich.de * 21.05.12 19:00 JUQUEEN is available again after installation of efixes and restart * Solved problem: * All files generated by a Blue Gene application will NO LONGER have the group 'bgquser' * 22.05.12 14:00 - 17:00 repair/reset of IO nodes, no small jobs possible *******************************************************************************************
18.05.2012, 17:27 Uhr: Aufgrund von Problemen im DFN X-Win kommt es zu kurzzeitigen Ausfaellen der VPN-Anbindung der Bio-NRW Aussenstelle Duesseldorf an das FZJ. - das US-CERT warnt vor einer kritischen Sicherheitslücke in PHP. Fixes stehen noch nicht zur Verfügung. Bitte informieren Sie Ihre Mitarbeiter, die einen Web-Server betreiben. Nähere Informationen finden Sie unter: http://www.heise.de/security/meldung/Gefahr-durch-offene-PHP-Luecke-1567433. html Heise stellt auf dieser Webseite auch eine Empfehlung zur Verfügung für alle Admins, die noch nicht auf eine neue PHP-Version umstellen können. - z.Zt. keine weiteren Meldungen / no further message
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