[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [Linux-cluster] Performance degradation after reboot



Hello,

On Tue, 3 Feb 2009, Kadlecsik Jozsef wrote:

> Due to a major power restructuring we had to shutdown our GFS cluster at 
> Saturday. Since then we have been suffering a serious performance 
> degradation. Previously system load was usually less than 1, in spikes 
> 3-4. Yesterday we had 180(!), without no apparent reason: network 
> interfaces are OK (settings just right, no error/packet loss), no settings 
> modified, usage of the cluster did not change. GFS is over AoE: the Coraid 
> boxes are just fine, no RAID degradation.

Sorry for the noise: it turned out that one interface did go wrong: 
instead of 1000Mb/s it worked at 10Mb/s. Sigh.

Best regards,
Jozsef
--
E-mail : kadlec mail kfki hu, kadlec blackhole kfki hu
PGP key: http://www.kfki.hu/~kadlec/pgp_public_key.txt
Address: KFKI Research Institute for Particle and Nuclear Physics
         H-1525 Budapest 114, POB. 49, Hungary


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]