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Stellenangebot Netzbetrieb
by LRZ aktuell Sept. 15, 2011

Sept. 15, 2011

Das Leibniz-Rechenzentrum (LRZ) ist gemeinsames Rechenzentrum der Muenchner Universitaeten und der Bayerischen Akademie der Wissenschaften. Es erbringt vielfaeltige Dienste der Informationsverarbeitung, betreibt das Muenchner Wissenschaftsnetz (MWN) und ist Zentrum fuer technisch- wissenschaftliches Hoechstleistungsrechnen. Fuer die Abteilung Kommunikationsnetze suchen wir eine(n) Mitarbeiter(in) fuer den Netzbetrieb mit abgeschlossenem Hochschulstudium (Diplom, Master) in Informatik oder einem naturwissenschaftlich-technisch orientierten Studiengang. Das vorgesehene Aufgabengebiet ist die Mitarbeit beim Betrieb des Muenchner Wissenschaftsnetzes. Dies bedeutet Konzeption, Test, Konfiguration und Problemmanagement von Netzkomponenten und Netzdiensten wie Router Switches Load-Balancer VPN-Server NAT-Gateways Firewalls DNS- und DHCP-Server WLAN-Accesspoints Unsere Anforderungen an Sie: Team- und Kommunikationsfaehigkeit; Faehigkeit zum selbstaendigen und konzeptuellen Arbeiten; gute Kenntnisse in den Bereichen TCP/IP-Netze und Linux-basierte Serverdienste. Sie haben praktische Erfahrungen auf mehreren der folgenden Gebiete und Interesse, sich in die anderen einzuarbeiten: Konfiguration von Netzkomponenten; Netzsicherheitskonzepte; Konfiguration des DNS (Domain Name Service) Java und Perl; Linux-Systeme und Programmierumgebungen. Wir bieten Taetigkeit in einem Fachgebiet mit Zukunft; ein universitaeres und innovatives Arbeitsumfeld mit einem sehr guten Betriebsklima und Gestaltungsfreiraeumen; Moeglichkeit zur Promotion; einen Arbeitsplatz in einem modernen Rechenzentrum ausgestattet mit der neuesten technologischen Infrastruktur. Die Stelle ist zunaechst auf zwei Jahre befristet und kann sofort besetzt werden. Die Verguetung erfolgt nach TVL. Schwerbehinderte Bewerberinnen oder Bewerber werden bei gleicher Eignung bevorzugt. Fuer eine erste Kontaktaufnahme und naehere Auskuenfte wenden Sie sich an den Leiter der Gruppe Netzbetrieb, Herrn Wolfgang Beyer, (beyer_AT_lrz.de; Tel. 089-35381-8720). Kontakt: Senden Sie Ihre elektronische Bewerbung mit den ueblichen Unterlagen (bitte als ein Dokument!) bis spaetestens 21.Oktober 2011 an apel_AT_lrz.de oder schriftlich an Leibniz-Rechenzentrum Frau Hannelore Apel -Stichwort: Stelle NETB - Boltzmannstrasse 1 85748 Garching Bitte beachten Sie, dass wir eingereichte Unterlagen aus organisatorischen Gruenden generell nicht zurueckschicken. Senden Sie daher am besten nur Kopien ein. Auf Umschlagsmappen und Schutzhuellen etc. kann verzichtet werden. Diese Information finden Sie im WWW unter http://www.lrz-muenchen.de/aktuell/stellenangebote/ali4108/ Wolfgang Beyer

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Termination of HLRB II Operation in October, 2011
by LRZ aktuell Sept. 15, 2011

Sept. 15, 2011

Dear users of the HLRB II at LRZ, since September 13, 2011 all of you have access to SuperMIG. the Migrationssysdtem for SuperMUC(see http:// www.lrz.de/services/compute/hlrb/aktuell/ali4102 and http://www.lrz.de/ services/compute/hlrb/aktuell/ali4069). Operation of HLRB now continues in two distinct phases: * until October 15, 2011 the system will be under maintenance and failures will be fixed although, maybe, only on "on next working day" basis. * after October 15, 2011 until end of October, 2011 failed parts of the HLRB II will no longer be replaced. The quality of the remaining operation is thus governed by pure chance. It could well happen that the whole system is affected by a severe failure and operation of the HLRB II suffers a sudden stop. In any case, the latest date for the retirement of HLRB II is October 30, 2011. Again, we urgently recommend that you archive all still needed HLRB-II data which reside on the $OPT_TMP or $PROJECT file systems to TSM tape storage as soon as possible. There is no warranty from LRZ that these data are available beyond October 15, 2011! A procedure for migrating your scratch and project data from HLRB-II to the new system is described in the backup and archiving document (http://www.lrz.de/ services/compute/backup/); please look at the scenarios 2 and 3 for details on how to perform the data migration. The $HOME file system currently accesses the same NAS space on both systems, hence you do not need to migrate any for this data by yourself. An approximate one week maintenance of the SuperMIG system is scheduled at the end of October due to the migration of the data in $HOME to the new system and for changes in the electrical infrastructure. Please submit any questions through the Servicedesk Portal. This information is also available on our web server http://www.lrz-muenchen.de/services/compute/hlrb/aktuell/ali4107/ Matthias Brehm

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Upd:Update: HLRB-II back in production
by LRZ aktuell Sept. 13, 2011

Sept. 13, 2011

Changes to this message: Update Dear users of HLRB-II, the problems on HLRB-II and the cxfs filesystem have been fixed and the system is back in production. We apologize for the inconvenience caused by this interrupt. This information is also available on our web server http://www.lrz-muenchen.de/services/compute/hlrb/aktuell/ali4105/ Hans-Georg Kleinhenz

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Invitation to Workshop Schroedinger Software on LRZ Supercomputer
by LRZ aktuell Sept. 13, 2011

Sept. 13, 2011

Schroedinger Applications Scientist Dr. Jas Bhachoo will be hosting a workshop titled "Schroedinger Software on LRZ Supercomputer" at the LRZ in Garching on October 26, 2011. Attendees are encouraged to bring their own projects for discussion. Agenda 09.30 - 10.00 Welcome and Maestro Introduction 10.00 - 12.00 Live Demonstration and Hands-on session with workstations. - Schroedinger Applications with focus on Factor Xa project - Protein Structure Refinement, Active Site Preparation with Prime - Combinatorial Design, Virtual Screening, Docking, and post-processing with Glide 12.00 - 13.30 Lunch 13.30 - 17.00 Live Demonstration and Hands-on session with workstations: - Core Hopping, Fragment Docking BREED with Glide and E-Pharmacophore approaches with Phase Contact For more information, please contact Christian.Peifer(a)schrodinger.de. The objective of the hands-on-sessions is to help Life-Science researchers approaching challenging problems in Computational Biology and Drug Discovery by efficient use of the Schroedinger molecular modeling technology. Location: LRZ room HU010 Registration (please choose course HMMS1W11): http://www.lrz.de/services/compute/courses/#TOC1.25 For optimal preparation, we offer a free academic license for Schroedinger interface Maestro , and a 6-week evaluation license for the whole Schroedinger Suite More information can be found on our web server Introduction to Molecular Modeling on Supercomputers This information is also available on our web server http://www.lrz-muenchen.de/services/software/aktuell/ali4106/ Momme Allalen

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Upd:Linux-Cluster: Completion of ICE maintenance delayed
by LRZ aktuell Sept. 12, 2011

Sept. 12, 2011

Changes to this message: Update Further update: Unfortunately we're still having problems with integrating the SLURM batch system with the ICE; before this is solved we cannot start user operation. We'll keep you up-to-date via this document when this is the case. Update: Due to the large workload involved in integrating the new resources into the Linux cluster, as well as the personnel and vacation situation at LRZ, returning the sgi ICE system to user operation is delayed. We hope to start production again on September 12 (this target date has also been updated below). Please note that the new MPP cluster has been opened for general user operation, and provides resources on a larger scale than the ICE. Submission of batch jobs is documented in http://www.lrz.de/services/compute/linux-cluster/batch_parallel/ ----------------------------------------------------------------------- The SGI ICE system will be unavailable for regular user operation between 22nd August and 11th of September, 2011. This is due to an operating system and batch queueing upgrade. After this extended maintenance, the system will be run in a SLURM cell of the Linux Cluster; please consult the cluster documentation at http://www.lrz.de/ services/compute/linux-cluster/ for upcoming details on this new batch software deployed on the parallel segments of the LRZ cluster. Submission of SGE jobs to the ICE will not work anymore after the upgrade. After the upgrade, it is recommended that you perform the following measures: * recompile and relink your programs using the new sgi MPT release * modify your batch scripts to use SLURM instead of SGE This information is also available on our web server http://www.lrz-muenchen.de/services/compute/aktuell/ali4083/ Reinhold Bader

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Upd:Linux-Cluster: Completion of ICE maintenance delayed
by LRZ aktuell Sept. 12, 2011

Sept. 12, 2011

Changes to this message: Update further update: Unfortunately we're still having problems with integrating the SLURM batch system with the ICE; before this is solved we cannot start user operation. We'll keep you up-to-date via this document when this is the case. Update: Due to the large workload involved in integrating the new resources into the Linux cluster, as well as the personnel and vacation situation at LRZ, returning the sgi ICE system to user operation is delayed. We hope to start production again on September 12 (this target date has also been updated below). Please note that the new MPP cluster has been opened for general user operation, and provides resources on a larger scale than the ICE. Submission of batch jobs is documented in http://www.lrz.de/services/ compute/linux-cluster/batch_parallel/ ----------------------------------------------------------------------- The SGI ICE system will be unavailable for regular user operation between 22nd August and 11th of September, 2011. This is due to an operating system and batch queueing upgrade. After this extended maintenance, the system will be run in a SLURM cell of the Linux Cluster; please consult the cluster documentation at http://www.lrz.de/ services/compute/linux-cluster/ for upcoming details on this new batch software deployed on the parallel segments of the LRZ cluster. Submission of SGE jobs to the ICE will not work anymore after the upgrade. After the upgrade, it is recommended that you perform the following measures: * recompile and relink your programs using the new sgi MPT release * modify your batch scripts to use SLURM instead of SGE This information is also available on our web server http://www.lrz-muenchen.de/services/compute/aktuell/ali4083/ Reinhold Bader

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HLRB-II down
by LRZ aktuell Sept. 12, 2011

Sept. 12, 2011

Dear users of HLRB-II, the HLRB-II is currently down. SGI is already working on the problem. Please use the alternate login node login2.hlrb2.lrz-muenchen.de to access your data and to submit jobs. We apologize for the inconvenience caused by this interrupt. This information is also available on our web server http://www.lrz-muenchen.de/services/compute/hlrb/aktuell/ali4105/ Hans-Georg Kleinhenz

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Netzwartung am 13.9.
by LRZ aktuell Sept. 12, 2011

Sept. 12, 2011

1. TUM Gabelsberger Strasse 45 3.OG Zwischen 8:00 Uhr und 8:30 Uhr kommt es durch die Umschaltung des Anschlusses des Switches swr1-3bt auf 1 Gb/s zu einer Unterbrechung. 2. LMU Biologie II, Martinsried Bereits heute und auch morgen ist ganztaegig mit Unterbrechungen zu rechnen, da die Switches des Typs HP Procurve 4100 ausgetauscht werden. Diese Information finden Sie im WWW unter http://www.lrz-muenchen.de/services/netz/aktuell/ali4104/ Wolfgang Beyer

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Upd:Linux-Cluster: Completion of ICE maintenance delayed
by LRZ aktuell Sept. 7, 2011

Sept. 7, 2011

Changes to this message: Update Update: Due to the large workload involved in integrating the new resources into the Linux cluster, as well as the personnel and vacation situation at LRZ, returning the sgi ICE system to user operation is delayed. We hope to start production again on September 12 (this target date has also been updated below). Please note that the new MPP cluster has been opened for general user operation, and provides resources on a larger scale than the ICE. Submission of batch jobs is documented in http://www.lrz.de/services/compute/linux-cluster/batch_parallel/ ----------------------------------------------------------------------- The SGI ICE system will be unavailable for regular user operation between 22nd August and 11th of September, 2011. This is due to an operating system and batch queueing upgrade. After this extended maintenance, the system will be run in a SLURM cell of the Linux Cluster; please consult the cluster documentation at http://www.lrz.de/ services/compute/linux-cluster/ for upcoming details on this new batch software deployed on the parallel segments of the LRZ cluster. Submission of SGE jobs to the ICE will not work anymore after the upgrade. After the upgrade, it is recommended that you perform the following measures: * recompile and relink your programs using the new sgi MPT release * modify your batch scripts to use SLURM instead of SGE This information is also available on our web server http://www.lrz-muenchen.de/services/compute/aktuell/ali4083/ Reinhold Bader

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Upd:Linux-Cluster: Completion of ICE maintenance delayed
by LRZ aktuell Sept. 7, 2011

Sept. 7, 2011

Changes to this message: further delay Update: Due to the large workload involved in integrating the new resources into the Linux cluster, as well as the personnel and vacation situation at LRZ, returning the sgi ICE system to user operation is delayed. We hope to start production again on September 12 (this target date has also been updated below). Please note that the new MPP cluster has been opened for general user operation, and provides resources on a larger scale than the ICE. Submission of batch jobs is documented in http://www.lrz.de/services/compute/linux-cluster/batch_parallel/ ----------------------------------------------------------------------- The SGI ICE system will be unavailable for regular user operation between 22nd August and 11th of September, 2011. This is due to an operating system and batch queueing upgrade. After this extended maintenance, the system will be run in a SLURM cell of the Linux Cluster; please consult the cluster documentation at http://www.lrz.de/ services/compute/linux-cluster/ for upcoming details on this new batch software deployed on the parallel segments of the LRZ cluster. Submission of SGE jobs to the ICE will not work anymore after the upgrade. After the upgrade, it is recommended that you perform the following measures: * recompile and relink your programs using the new sgi MPT release * modify your batch scripts to use SLURM instead of SGE This information is also available on our web server http://www.lrz-muenchen.de/services/compute/aktuell/ali4083/ Reinhold Bader

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