J Alejandro Medina a écrit : > When copying data from one filesystem to the other we experience > excessive broadcast messages. The network crawls down to its knees > until both filesystems stop responding. > > If we test both filesystems separately we do not see this behavior. An idea could be to reduce your lustre client max_cached_mb value (per-filesystem value). By default, it is set to 2/3 of available system memory so it's not optimal when mounting multiple lustre filesystems on the same node, especially when copying data from one to the other.
see /proc/fs/lustre/llite/*/max_cached_mb HTH, Stephane Thiell CEA _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
