[Lustre-discuss] formating OST and MDT

Andreas Dilger adilger at clusterfs.com
Wed Oct 3 15:17:22 PDT 2007


On Oct 01, 2007  12:30 +0100, Wojciech Turek wrote:
> I have one server for MGS/MDS function and 4 server for OSS. All  
> machines are identical. MDS is connected to back and storage that is  
> serving two data LUN's. OSS's are connected to back end storage that  
> is serving 24 data LUN's. each server has two network interface  
> configured as follows.
> OSS1(hostname=storage07) 10.143.245.7 at tcp0
> OSS1(hostname=storage07) 10.142.10.7 at tcp1
> 
> tcp0 is 10GbE
> tcp1 is 1GbE
> 
> 
> I would like to configure lustre in such a way that if tcp0 interface  
> will fail on the OSS or MDS, lustre will be able to use secondary  
> network to keep communication alive and at least some of the clients  
> could. Primary network should be 10GbE and secondary network 1GbE

This will work as you want if tcp0 is listed first in modprobe.conf.
LNET will only use tcp0 unless that fails, at which point it will use
tcp1.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.




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