[Lustre-discuss] Unable to activate OST

[Andreas Dilger]

On 2010-01-14, at 23:51, Dusty Marks wrote:
> You are correct, there is information in messages. Following are the  
> entries related the lustre. The line that says 192.168.0.2 at tcp is  
> unreachable makes sense, but what exactly is the problem? I entered  
> the line "options lnet networks=tcp" in modprobe.conf on the oss and  
> mds. The only difference was, i entered that line AFTER i setup  
> lustre on the OSS. Could that be the problem? I don't see why that  
> would be the problem, as the oss is trying to reach the MDS/MGS,  
> which is 192.168.0.2.
>
> --------------------------------------- /var/log/messages  
> -----------------------------------------------------------
> Jan 14 22:41:07 oss kernel: Lustre: 2846:0:(linux-tcpip.c: 
> 688:libcfs_sock_connect()) Error -113 connecting 0.0.0.0/1023 ->  
> 192.168.0.2/988
> Jan 14 22:41:07 oss kernel: Lustre: 2846:0:(acceptor.c: 
> 95:lnet_connect_console_error()) Connection to 192.168.0.2 at tcp at  
> host 192.168.0.2 was unreachable: the network or that node may be  
> down, or Lustre may be misconfigured.


Please read the chapter in the manual about network configuration.  I  
suspect the .0.2 network is not your eth0 network interface, and your  
modprobe.conf needs to be fixed.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.