Hi Colin, > > our mgs server (Lustre 1.6.7) failed and we mounted it on the failover > > node. Our clients (1.6.7) on the same IB network are still functional. > > Ok.. Well aside from the fact that 1.6.7 is long since deprecated, what > else isn't functional after failover?
Nothing. Everything is fine. Just the 1.8.5. clients behind a IB<->10GE router can't mount anymore. > > We have exported the fs via a Lustre/10GE router to another cluster > > with a patchless 1.8.5. The router works , we can ping around and get > > the usual protocol errors. But mounting the fs from the failover node > > does not work on these clients. Is this expected or is this supposed > > to work? > > Sorry, what are you actually trying to do here??? We have a (pretty old) SDR IB based Cluster with ~700 nodes and 10 Lustre servers. We use an IB<->10GE router to attach this Lustre FS to another cluster. This works pretty well. But only, when the MGS is mounted on the primary node, not when the MGS is mounted on the failover node. I just want to know if this is an expected behaviour or not. Regards, Michael -- Dr.-Ing. Michael Kluge Technische Universität Dresden Center for Information Services and High Performance Computing (ZIH) D-01062 Dresden Germany Contact: Willersbau, Room A 208 Phone: (+49) 351 463-34217 Fax: (+49) 351 463-37773 e-mail: michael.kl...@tu-dresden.de WWW: http://www.tu-dresden.de/zih
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