[Lustre-discuss] adding 2nd network to lustre

[Chris Hunter]

Andreas Dilger wrote:
> On Jan 07, 2009  18:16 -0500, Chris Hunter wrote:
>> We currently use lustre over an infiniband network. We would like to  
>> allow ethernet clients (ie. no infiniband) to use the same lustre FS.
>>
>> The MDT and OSTs were all created using only the MGS infiniband  
>> interface (ie. mkfs.lustre --mgsnode=10.2.1.30 at ib0).
>>
>> So I am missing some configuration for the tcp network. My best guess we  
>> need to use the "tunefs.lustre" command to add the mgs tcp NID to the  
>> MDT. However this command won't execute while lustre is mounted.
>>
>> Any suggestions how to add the tcp network to our existing lustre ib  
>> network ?
> 
> I believe this is documented in the Lustre manual at http://manual.lustre.org/

Section 7 of the operations manual does discuss multihomed lustre 
servers. The example given is destructive -- lustre needs to be 
reformatted (mkfs.lustre) for multihoming. Can we setup multihoming with 
our re-formating our lustre FS ?

Thanks,
--Chris