JUBL

Juelicher
Blue Gene/L


Frequently asked questions

High Message

Planned Maintenance: see High Message

News


30.04.2008 Production ended - JUBL was deinstalled in May 2008.
23.11.2007 Foils about indroduction to HPC storage JUST - new storage server with a new using model are available now.
18.10.2007 UNICORE available on JUBL now.
UNICORE user on Jump can access JUBL with there existing certificate.
In case of any problems please contact unicore-info@fz-juelich.de.
17.09.2007 New FAQ entries: How to disable core files? and Available memory for an application?
29.08.2007 Memory Limit for front-end node sessions on JUBL is set to 512MB.
12.02.2007 LoadLeveler will be used as scheduling system on the whole machine starting Feb. 21 2007.
15.01.2007 LoadLeveler now available as batch system on JuBL
see User Info/LoadLeveler for details.
09.01.2007 New release of BGL software V1.3.1 and GPFS 3.1.0.8 installed on system
see FAQ and Documentation for details.
15.12.2006 Downgrade to BGL software V1.3.0 due to GPFS problems
14.12.2006 New release of BGL software V1.3.1 installed on the system
see FAQ and Documentation for details.
5.12. - 7.12.2006 Scaling Workshop
08.08.2006 BG/L presentations at SCICOMP 12
see Links ... SCICOMP 12
03.08.2006 New release of BGL software V1.3.0 installed on the system
see FAQ and Documentation for details.
27.06.2006 July 01, 2006 full job accounting will be started on JUBL - see Accounting
24.05.2006 New fftw versions 2.1.5 and 3.1.1 available -
see Software
22.05. - 28.5.2006 Big Blue Gene Week on JUBL
04.04.2006 New feature of reservation system to reboot a hanging partition - see FAQ
30.03.2006 Scalapack upgraded to version 1.7.2
09.03.2006 New reservation system introducing priority levels - see User Info
16.02.2006 Advanced reservation now available for midplanes, racks, rows and columns - see User Info
20.01.- 27.01.2006 Test of selected user applications
06.01.- 20.01.2006 Installation of an 8 rack system -
see Configuration
incl. upgrade of BGL software to V1R2M1
01.12.2005 IBM Redbook Application Development now available - see Documentation
21.11.2005 Writes from multiple processes result in missing or zero-length files - see NFS problems
23.09.2005 IBM Redbook Unfolding Blue Gene now available - see Documentation
05.09.2005 First official release of BGL software (V1R1M0) is running - see FAQ for details.
Compilers have also been upgrated. Please recompile your applications to get improvements.
25.08.2005 New llstat command - see FAQ
23.08.2005 Some usefull bgl-commands now available for users
see FAQ
18.08.2005 LLVIEW - a graphical monitoring of BG/L - available
see llview for BG/L
17.08.2005 Temporary reservation policy defined
15.08.2005 Work filesystem from Jump with a total of 9 TB is now available under /work or by $WORK variable
10.08.2005 Standard Library Path now set by LD_LIBRARY_PATH for new Logins
05.08.2005 Blacs, Scalapack libraries installed
see Software
04.08.2005 Performance problems with Home directories (/bglhome) solved
01.08.2005 New 4 TB /bglhome from Jump installed.
User data was copied with timestamp 1.8.2005, 13:00 h. The old /bglhome will be read-only available under /bglhome-local till end of August.
27.07.2005 blas440,lapack440,dgemm.rts libraries installed
see Software
15.07.2005 Starting with first user application tests
13.07.2005 Linpack verified



last change 30.10.2008 | Ulrike Schmidt | Print