Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédente | ||
newsfeed:20141007 [2014/10/07 10:40] – ltaulell | newsfeed:20141007 [2020/08/25 15:58] (Version actuelle) – modification externe 127.0.0.1 | ||
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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' | 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' | ||
- | - 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 " | * new E5 nodes cannot connect to " | ||
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* new E5 infiniband switch cannot connect to " | * new E5 infiniband switch cannot connect to " | ||
-> old switchs need a new firmware, and reboot | -> old switchs need a new firmware, and reboot | ||
- | -> a special machine, with a very early OS, with experimental libs is needed | + | -> a special machine, with a very early OS, with experimental libs is needed to upgrade switchs |
- | to upgrade switchs | + | |
* old E5 nodes bios is incompatible with new infiniband card firmware... | * old E5 nodes bios is incompatible with new infiniband card firmware... |