All,
I am upgrading the storage cluster from 3.8 to 3.10 or 3.12. I have 3.12 on the ovirt cluster. I would like to change the client connection method to NFS/NFS-Ganesha as the FUSE method causes some issues with heavy python users (mmap errors on file open for write).
I see that nfs-ganesha was dropped after 3.10 yet there is an updated version in the 3.12 repo for CentOS 7 (which I am running).
It also seems apparent that storhaug is not ready for use.
Is it a likelyhood that nfs-ganesha will be reinstated as a supported process for 3.12 in the near future? Or should I only upgrade to 3.10? Or is it feasible to use the nfs-ganesha 2.5 release with gluster 3.12? None of the official docs on howto (that I've found) give the method of config/use that are clearly for the newest ganesha and gluster combo.
Can the gnfs support multiple transport methods?
Granted, I have a conflicted need: the NFS is needed to resolve the mmap issue (and hopefully do some speed up that the users see) but the real high-speed need is possibly through pNFS clients to NFS-Ganesha but those connections will be over infinniband so only TCP and no RDMA. That drops my raw speed from 40Gbps to 10Gbps (connectx-2 gear). I can run gnfs on RDMA (40Gbps!) but no NFSv4.1 for pNFS AND a manual mess setting up HA for connections. The last connection fun is not all clients connect over infinniband so I do have standard ethernet ports as well (40Gbps feeding multiple switches for 10Gbps and 1Gbps).
--James P. Kinney III Every time you stop a school, you will have to build a jail. What you gain at one end you lose at the other. It's like feeding a dog on his own tail. It won't fatten the dog. - Speech 11/23/1900 Mark Twain http://heretothereideas.blogspot.com/
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