Tr�s int�ressant en effet. N'est ce pas pr�cis�ment ce genre de test qui devrait int�resser Mme Onckelincks (je me r�f�re au message pr�c�dent : "un ordinateur dans chaque foyer") ???
Jean-Marie Lambert Le Dimanche 29 Juin 2003 11:21, Alain EMPAIN a �crit : > http://www-1.ibm.com/linux/news/semiconductor.shtml > > > > > IBM bets 2.9 Billion on Linux for semiconductor manufacture > > June 2003 > > (...) > > The most important requirement is 24 x 7 operation. Actually, we say > "60 x 60 x 24 x 7" because the 300mm fab has to work every second, of > every minute, of every hour, of every day -- seven days a week or our > vision of "on-demand manufacturing" would not have been realized. > > ----------------------------------------------- > (...) Et maintenant le test en situation r�elle ... > ----------------------------------------------- > > So we set up three machines communicating to three pieces of > equipment, using the same tool communication application on Red Hat > 7.2 Linux and Windows NT/2000. We used the same setup for all six > applications, and then we began a planned 90 day test. The plan was > to run the applications and look at errors, performance degradation, > maintenance requirements, and any other issue that might pop up. > > The results were striking. The best run we had with the Windows > machines was approximately six to seven days before we began to see > noticeable performance degradation, and in about ten days we had a > service interruption. If you multiply this failure rate times the > large number of servers we wanted to deploy, you can see that with > Windows NT/2000, it would have been a performance nightmare and could > never have supported our overall fab goals. > > The Linux servers, on the other hand, ran without incident for the > full 90 days. There were no performance degradations, interrupts or > required maintenance. In fact, just for fun, we kept the Linux > experiment running to see what would happen. We finally shut it off > after 5 months, and it was still running like a clock. > > We now have between 250 and 300 of these Linux machines up and > running, and to date, we have not had a single software failure in > over 18 months. > (...) > > > ------------------------------------------------------------------ > > > Les fait r�els, cela change de la propagande, FUD & C� ;-) > > > Bon dimanche, > > Alain _______________________________________________________ Linux Mailing List - http://www.unixtech.be Subscribe/Unsubscribe: http://www.unixtech.be/mailman/listinfo/linux Archives: http://www.mail-archive.com/[EMAIL PROTECTED] IRC: efnet.unixtech.be:6667 - #unixtech
