[Lustre-discuss] Lustre client & server on the same node, NFSv4 reexport
green at whamcloud.com
Thu Aug 18 08:50:55 PDT 2011
On Aug 18, 2011, at 6:47 AM, Lukas Hejtmanek wrote:
> some time ago, I was asking whether it is possible to use Lustre Client and
> Server on a single node, i.e., if I can mount Lustre FS on an OSD node. The
> anwser was NO as there were some issues with cache pressure and deadlocks.
This is still not recommended, but I doubt anybody made any serious tests with e.g. 2.x codebase.
I suspect as long as you don't use mmap all should be fine in both 1.8 an 2.x
> Another question, is NFSv4 re-export supported with current stable Lustre
Yes this should work, but posix locking does not work properly in 1.8 in that case.
It does work with 2.1 clients.
Senior Software Engineer
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