Thanks, for the input. WRT to one LNET per fileset, is there some technical reason for this design?
Cheers, Hans Henrik On 06.01.2020 09.41, Moreno Diego (ID SIS) wrote: > > I’m not sure about the SSK limitations but I know for sure that you > can have multiple filesets belonging to the same filesystem on a > client. As you already said, you’ll basically need to have one LNET > per fileset (o2ib0, o2ib1, o2ib2), then mount each fileset with the > option ‘-o network=<filesets_lnet>’. > > > > I gave a talk on our setup during last LAD (https://bit.ly/35oaPl7), > slide 24 contains a few details on this. It’s for a routed > configuration but we also had it working without LNET routers. > > > > Diego > > > > > > *From: *lustre-discuss <[email protected]> on > behalf of Jeremy Filizetti <[email protected]> > *Date: *Tuesday, 31 December 2019 at 04:22 > *To: *Hans Henrik Happe <[email protected]> > *Cc: *"[email protected]" <[email protected]> > *Subject: *Re: [lustre-discuss] Nodemap, ssk and mutiple fileset from > one client > > > > It doesn't look like this would be possible due to nodemap or SSK > limitations. As you pointed out, nodemap must associate a NID with a > single nodemap. SSK was intentionally tied to nodemap by design. It > does a lookup on the nodemap of a NID to verify it matches what is > found in the server key. I think even if you used multiple NIDs for a > client like o2ib(ib0),o2ib1(ib0) you would still run into issues due > to LNet, but I'm not certain on that. > > > > Jeremy > > > > On Mon, Dec 30, 2019 at 9:30 PM Hans Henrik Happe <[email protected] > <mailto:[email protected]>> wrote: > > Hi, > > Is it possible to have one client mount multiple fileset's with > different ssk keys. > > Basically, we would just like to hand out a key to clients that should > be allowed to mount a specific fileset (subdir). First, it looks like > the nodemap must contain the client NID for it to be able to > mount. The > key is not enough. Secondly, nodemaps are not allowed hold the same > NIDs, so it seems impossible to have multiple ssk protected filesets > mounted from one client, unless multiple NIDs are used? > > Example: For nodes A and B and filesets f0 (key0) and f1 (key1). > > A: Should be allowed to mount f0 (key0). > B: Should be allowed to mount f0 (key0) and f1 (key1). > > Cheers, > Hans Henrik > _______________________________________________ > lustre-discuss mailing list > [email protected] > <mailto:[email protected]> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >
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