On 05/10/2019 12:46 PM, Benoit Ganne (bganne) wrote:
I verified it on CentOS 7.6 and it works fine: Here i s my gist for Robert
and Fred with the steps I used.
https://gist.github.com/tfherbert/64cef832f03935c6a2a58729718a36ff
Glad to hear, thanks a lot.
In CentOS 7.6, for RDMA drivers to work, we need to install rdma rpm as I
did in my 19.02 patch to get the library and the libibverbs.so library.
This is documented in my patch to 19.02,
https://gerrit.fd.io/r/#/c/18521/
Good point. We embed libibverb statically in the rdma plugin though, so the
only remaining runtime dependency should be the kernel driver. Is this provided
by rdma-core in RHEL? If so, as this is only needed by the rdma plugin, we
could add rdma-core as a dependency of vpp-plugins.
Regarding the startup dependency in system unit file, I am not familiar with system but can we add
a "soft" dependency? Such as "must be started after rdma-load-modules@rdma.service
if present"?
Yes. Actually, as I think about it, I don't remember whether my test
sequence verified that that had to be done. However, we know that the
modules are loaded, they will persist.
ben
--
*Thomas F Herbert*
NFV and Fast Data Planes
Networking Group Office of the CTO
*Red Hat*
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