BCX is back

[Girotto Ivan]

Dear BCX users,

BCX is available again for the production. The queued jobs before of the
stop have been deleted due to side-effect of the maintainance operations, our
apologies for this inconvenience.

I resume below the most important upgrades:

1) /scratch space has been increased of 24Tbyte

2) /scratch (GPFS) has been moved from GigabitEthernet to InfiniBand network

3) default soft stack limit has been set to 100Mbyte.   If this limit will not
be enought for your application, you are free to change it inside your job
script before the application executable is run.

ulimit -s unlimited

4) new more strict memory limits has been set, so that applications trying
to allocate more than 90% of total virtual memory ( roughly 11Gbyte/node or
2.8Gbyte/core ) will be killed before compute node hangs;

Best,

Ivan.

--

Ivan Girotto - i.girotto a cineca.it - Tel.+39 051 6171369
Supercomputing Group - superc a cineca.it
CINECA - www.cineca.it
Via Magnanelli 6/3 - Tel.+39 051 6171411
40033 Casalecchio di Reno - Fax.+39 051 6137273
Bologna - Italy