Re: [SPDK] how to use spdk's nvme over fabrics

[Kirubakaran Kaliannan <kirubak at zadarastorage.com>]

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Hi,



I have a question regarding this,



1.       Do the target to be on the same version (linux kernel 4.8) as of
initiator. ?  or is there any minimum version I have to be in. ? I am using
3.18 linux kernel

2.       Since the support is through the Mellanox, do we need to have the
same OFED version to be installed on both initiator and target ?



Thanks

-kiru



*From:* SPDK [mailto:spdk-bounces(a)lists.01.org] *On Behalf Of *Walker,
Benjamin
*Sent:* Wednesday, November 30, 2016 10:27 PM
*To:* Storage Performance Development Kit
*Subject:* Re: [SPDK] how to use spdk's nvme over fabrics



The guide linked below is our best attempt at documentation so far. I do
really need to write more. The general outline is the following, assuming
you have two systems (initiator and target) connected via RDMA NICs:



1)      On the target system, compile SPDK. Follow the guide linked below
to start the SPDK NVMe-oF target application. A fully documented example
configuration file is in <spdk repo>/etc/nvmf/nvmf.conf.in �C use that as
the starting point.

2)      On the initiator system, make sure you are running Linux kernel 4.8
and have nvme-cli installed. This is outside of SPDK, so we don’t provide
instructions on how to do this. By far, the easiest way is to just install
Fedora 24/25 on the initiator. It has a suitable kernel by default and the
nvme-cli tool is packaged, so you have zero additional configuration to do.

3)      The nvme-cli tool is capable of configuring the Linux kernel’s
built-in NVMe-oF initiator to connect to a target. You simply type
something like “nvme connect �Ct rdma �Ca <ip> -s <port> -n <nqn>”, where
the values match the ones you put into the SPDK NVMe-oF target’s
configuration file. The initiator will then connect and a block device will
appear on the initiator system at /dev/nvmeX.



Only step #1 is SPDK-specific. Step #2 and #3 are the same if you are using
the Linux kernel’s NVMe-oF target �C that’s why we don’t really document
those today.



*From:* SPDK [mailto:spdk-bounces(a)lists.01.org <spdk-bounces(a)lists.01.org>] *On
Behalf Of *Lei Zhu
*Sent:* Tuesday, November 29, 2016 7:54 PM
*To:* Storage Performance Development Kit <spdk(a)lists.01.org>
*Subject:* [SPDK] 答复: how to use spdk's nvme over fabrics



*Hi,*



*You can follow this guide:*

*NVMe over Fabrics Target Getting Started Guide*

http://www.spdk.io/spdk/doc/nvmf_getting_started.html



*发件人**:* SPDK [mailto:spdk-bounces(a)lists.01.org <spdk-bounces(a)lists.01.org>]
*代表 *Wang, Teng
*发送时间:* 2016年11月30日 6:45
*收件人:* spdk(a)lists.01.org
*主题:* [SPDK] how to use spdk's nvme over fabrics



Hi all,



Is there any detailed instruction or sample code for using SPDK's NVMe over
fabrics?

How to set up the experiment? I would really appreciate if anyone give me
some

Instructions or materials on this.



Thanks,

Teng

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