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newsfeed:20141007 [2014/10/07 12:40] ltaulellnewsfeed:20141007 [2020/08/25 17:58] (Version actuelle) – modification externe 127.0.0.1
Ligne 5: Ligne 5:
 Last week, we experienced a threshold effect (again) while adding new nodes to E5 cluster. It lead us to reboot a big part of debian nodes. Doing this open a Murphy's box (you know the law ? It's the same, with a ribbon on it). Last week, we experienced a threshold effect (again) while adding new nodes to E5 cluster. It lead us to reboot a big part of debian nodes. Doing this open a Murphy's box (you know the law ? It's the same, with a ribbon on it).
  
-an electrical problem appear where we add the new nodes, on the same distribution unit of a block of x5570, including their scratch servers. +  * an electrical problem appear where we add the new nodes, on the same distribution unit of a block of x5570, including their scratch servers. 
--> unexpected reboots while trying to figure out what's going on.+  -> unexpected reboots while trying to figure out what's going on.
  
   * new E5 nodes cannot connect to "old" infiniband switchs (firmware problem)   * new E5 nodes cannot connect to "old" infiniband switchs (firmware problem)
newsfeed/20141007.1412678457.txt.gz · Dernière modification : 2020/08/25 17:58 (modification externe)