Date: Wed, 11 Feb 2015 14:35:09 -0700 From: Ron Croonenberg <rocr@lanl.gov> To: Ron Croonenberg <ronc@lanl.gov> Cc: "freebsd-infiniband@freebsd.org" <freebsd-infiniband@freebsd.org> Subject: Re: IBSRP and switches Message-ID: <54DBCB0D.9030709@lanl.gov> In-Reply-To: <DB3PR05MB026EF750A6476BDC79E83FEDC250@DB3PR05MB026.eurprd05.prod.outlook.com> References: <54DA2F75.3000307@lanl.gov> <D7E7CC37-B171-469F-B783-BF943C1D1762@jnielsen.net> <54DA4763.6070203@lanl.gov> <DB3PR05MB026EF750A6476BDC79E83FEDC250@DB3PR05MB026.eurprd05.prod.outlook.com>
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I am actually looking into iSER thanks, Ron On 02/10/2015 10:14 PM, Oded Shanoon wrote: > Hi, > > We (Mellanox) are now working on iSER for FreeBSD. > We should have something running in a couple of months. I'm not sure when exactly it will be commited to upstream. > > You are welcome to contact me if you have questions. > > > Regards, > > Oded Shanoon > OFED-FreeBSD Team Leader > Mellanox Technologies, Raanana > > -----Original Message----- > From: owner-freebsd-infiniband@freebsd.org [mailto:owner-freebsd-infiniband@freebsd.org] On Behalf Of Ron Croonenberg > Sent: Tuesday, February 10, 2015 8:01 PM > To: John Nielsen; Ron Croonenberg > Cc: freebsd-infiniband@freebsd.org > Subject: Re: IBSRP and switches > > > > On 02/10/2015 10:39 AM, John Nielsen wrote: >> On Feb 10, 2015, at 9:19 AM, Ron Croonenberg <ronc@lanl.gov> wrote: >> >>> From what I understand IBSRP is a point to point protocol and cannot be switched over an IB switch, correct? (and the presented devices cannot be see by initiators 'through' a switch. >> >> At $work we use SRP over InfiniBand with lots of switches in the mix. Never had an issue. >> > > Ok, I'll try some of that. I assume you were able to see all drives on all ports. What I am trying to do is see all drives on all hosts (connected to a switch). IBSRP seems to be 'point to point' So I wonder if it (ibsrp) will let me mount a drive multiple times. (I am doing this in a 'not so posix' kind of way) > >>> Is there a 'scsi protocol' that I can run over IB that can be switched? >> >> Unfortunately, there isn't currently SRP support on FreeBSD. There is RDMA support, so it might be feasible to port the SRP code from Linux, but I haven't really looked in to it. > > That is why I am looking into it this way, because of RDMA. > > There is also something called ISER (iSCSI extensions over RDMA) > >> There's always iSCSI. FreeBSD 10.0 saw the addition of the >> kernel-based target and initiator (with some improvements since), but >> I don't think it takes advantage of RDMA or other acceleration >> techniques when used with InfiniBand. I'd love to be wrong. :) > > right, but I am trying to go for the highest performance that is reliable. > >> JN >> > > > Ron > _______________________________________________ > freebsd-infiniband@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-infiniband > To unsubscribe, send any mail to "freebsd-infiniband-unsubscribe@freebsd.org" >
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