[Lustre-discuss] adding 2nd network to lustre
adilger at sun.com
Fri Jan 9 17:07:36 PST 2009
On Jan 09, 2009 18:31 -0500, Chris Hunter wrote:
> 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 ?
Yes, definitely. It should only require a --write-conf... I think this
has been answered previously on this list, but if not Isaac should get
it into the manual.
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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