SuperMUC/MIG: Interruption of operation due to integration of the fat node island
publish at lrz.de
Mi Jul 3 15:58:56 CEST 2013
Dear users of SuperMUC and the migration system supzero,
we are now (with considerable delay) preparing to integrate the
migration system supzero into the SuperMUC system. In order to complete
the integration work, both SuperMUC and the migration system will
require scheduled maintenance phases:
1. On July 16, 08:00, SuperMIG (supzero) will be shut down. Two weeks
later, it will return as SuperMUC's fat-node island. During this
period there will be no user operation on this part of the system.
2. From July 17, 08:00 to July 18, 18:00, SuperMUC will not be
available for user operation, too.
Please note that any LoadLeveler jobs on supzero that have not
completed when the maintenance starts will be lost. After the
maintenance, the fat node island will use the same Loadleveler
instance, operating environment and GPFS file system as presently
available on SuperMUC.
Details on the changes in using the fat island as well as how to deal
with the existing data on SCRATCH and WORK will be separately
published; the system documentation will be accordingly updated.
This information is also available on our web server
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