Re: [ceph-users] State of play for RDMA on Luminous

2017-08-29 Thread Haomai Wang
On Tue, Aug 29, 2017 at 12:01 AM, Florian Haas wrote: > Sorry, I worded my questions poorly in the last email, so I'm asking > for clarification here: > > On Mon, Aug 28, 2017 at 6:04 PM, Haomai Wang wrote: >> On Mon, Aug 28, 2017 at 7:54 AM, Florian Haas wrote: >>> On Mon, Aug 28, 2017 at 4:21

Re: [ceph-users] State of play for RDMA on Luminous

2017-08-29 Thread Florian Haas
Sorry, I worded my questions poorly in the last email, so I'm asking for clarification here: On Mon, Aug 28, 2017 at 6:04 PM, Haomai Wang wrote: > On Mon, Aug 28, 2017 at 7:54 AM, Florian Haas wrote: >> On Mon, Aug 28, 2017 at 4:21 PM, Haomai Wang wrote: >>> On Wed, Aug 23, 2017 at 1:26 AM, Flo

Re: [ceph-users] State of play for RDMA on Luminous

2017-08-28 Thread Nigel Williams
On 29 August 2017 at 00:21, Haomai Wang wrote: > On Wed, Aug 23, 2017 at 1:26 AM, Florian Haas wrote: >> - And more broadly, if a user wants to use the performance benefits of >> RDMA, but not all of their potential Ceph clients have InfiniBand HCAs, >> what are their options? RoCE? > > roce v2 i

Re: [ceph-users] State of play for RDMA on Luminous

2017-08-28 Thread Haomai Wang
On Mon, Aug 28, 2017 at 7:54 AM, Florian Haas wrote: > On Mon, Aug 28, 2017 at 4:21 PM, Haomai Wang wrote: >> On Wed, Aug 23, 2017 at 1:26 AM, Florian Haas wrote: >>> Hello everyone, >>> >>> I'm trying to get a handle on the current state of the async messenger's >>> RDMA transport in Luminous,

Re: [ceph-users] State of play for RDMA on Luminous

2017-08-28 Thread David Disseldorp
Hi Florian, On Wed, 23 Aug 2017 10:26:45 +0200, Florian Haas wrote: > - In case there is no such support in the kernel yet: What's the current > status of RDMA support (and testing) with regard to > * libcephfs? > * the Samba Ceph VFS? On the client side, the SMB3 added an SMB-Direct protoco

Re: [ceph-users] State of play for RDMA on Luminous

2017-08-28 Thread Florian Haas
On Mon, Aug 28, 2017 at 4:21 PM, Haomai Wang wrote: > On Wed, Aug 23, 2017 at 1:26 AM, Florian Haas wrote: >> Hello everyone, >> >> I'm trying to get a handle on the current state of the async messenger's >> RDMA transport in Luminous, and I've noticed that the information >> available is a littl

Re: [ceph-users] State of play for RDMA on Luminous

2017-08-28 Thread Haomai Wang
On Wed, Aug 23, 2017 at 1:26 AM, Florian Haas wrote: > Hello everyone, > > I'm trying to get a handle on the current state of the async messenger's > RDMA transport in Luminous, and I've noticed that the information > available is a little bit sparse (I've found > https://community.mellanox.com/do