[Lustre-discuss] IB storage as an OST target

[Ben Evans]

We direct-connected to LSI back-ends, and the only real stumbling blocks
were in the intitial setup phase where we assigned wwns to various hosts
and host groups.  The wwns were a concatenation of the port IDs on both
ends, rather than just on the host end.  So if we moved wires around, we
had to re-assign wwns to the hosts and host groups.

Failover was no problem, MMP worked correctly.

IIRC, we had to specify which devices used SRP and which used IPoIB, but
that's about it.  It's been awhile since we did it, so my memory make be
flaky


-Ben Evans
ben at terascala.com

-----Original Message-----
From: lustre-discuss-bounces at lists.lustre.org
[mailto:lustre-discuss-bounces at lists.lustre.org] On Behalf Of Brian
O'Connor
Sent: Monday, March 28, 2011 1:21 AM
To: lustre-discuss at lists.lustre.org
Subject: [Lustre-discuss] IB storage as an OST target


Anybody had any experience using an IB based storage
target as an OST?

Apart from the obvious issue of separating the IB SAN(SRP/SER)
storage traffic from the Lustre traffic are there any issues?

What about failover?

-- 
Brian O'Connor
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