[Lustre-discuss] split OSTs from single OSS in 2 networks

Aurélien Degrémont aurelien.degremont at cea.fr
Sat Jan 22 07:58:04 PST 2011

 From Bugzilla, the patch has been introduced in Lustre 2.0 and bugfixed 
in 2.1.
There is a backport for 1.8 but this was never landed in official source 
So it is not available in any 1.8 official releases.
Either you have to use Lustre 2.0 or patch 1.8.5



Le 21/01/2011 18:32, Haisong Cai a écrit :
> It does look exactly what I need. Thanks Aurllien.
>  From bugzilla, the patch has been checked in to 1.8.  Could someone please
> point me to the source location? Is it in 1.8.5 - don't believe so,
> but I thought I would check. If not, would it be in later release of 1.8?
> thanks all,
> Haisong
> On Thu, 20 Jan 2011, DEGREMONT Aurelien wrote:
>> Hello
>> If you want to register different interfaces for different OST on the
>> same OSS, you should use --network options, introduced in patch
>> https://bugzilla.lustre.org/show_bug.cgi?id=22078
>> Regards,
>> Aur�lien
>> Haisong Cai a �crit :
>>> I have a storage server that has two QPI contolllers,
>>> each controller contols half of the I/O slots. In the first half is
>>> a raid controller and 10GbE card, in the second half is a raid controller
>>> and a 10GbE card.
>>> 4 raid arrays for 4 OSTs of single Lustre filesystem.
>>> 2 10GbE, each configured with their own IP and switches,
>>> I want to register OSTs on this OSS with different addresses.
>>> That is, OST1&  OST2 in IPSUBNET1, OST3&  OST4 in IPSUBNET2,
>>> and using "policy-based" routing directing traffic.
>>> The idea is to not do the bonding and get as much of bandwidth
>>> out of 10GbE NICs as possible.
>>> Is it possible?

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