<div dir="ltr"><div dir="ltr">Hi Shuobin,</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 27 Jun 2023 at 15:01, 王烁斌 via lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org">lustre-discuss@lists.lustre.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div>Hi~<br></div><div><br></div><div>I want to use RDMA between sever and storages. </div><div><br></div><div>I try this and get error as follow:</div><div><b>root@172-0-37-44 rdma]# nvme discover -t rdma -a 192.168.11.12 -5 4420</b></div><div><b>Failed to write to /dev/nvme-fabrics: Invalid argument</b></div><div><br></div><div>log message in kernel :</div><div><b>26 20:44:22 172-0-37-44 kernel: nvme fabrics: no handler found for transport rdma.</b></div><div><br></div><div>After investigation, it was found that the issue was due to the "OFED" driver not being installed with the "-- with nvmf" option. So I tried the following installation method:</div><div><b>./mlnxofedinstall --add-kernel-support --kmp --with-nvmf</b></div><div><b><br></b></div><div><b>but I get this:</b></div><div><b>WARNING: NVMEoF is not supported over kernel 4.18.0-425.3.1.el8_lustre.x86_64, will continue installation without it.</b></div><div><img src="cid:1890169bd10cb971f161" style="vertical-align: bottom; width: 928px; height: 272px;"> </div><div><b><br></b></div><div><b>so,How should I locate the problem?</b></div></div></blockquote><div><br></div><div>You can check the script where the WARNING prints, I think it should check the kernel configuration something like this:</div><div>$ egrep "CONFIG_NVME_FABRICS|CONFIG_NVME_RDMA" -rn /boot/config-4.18.0-477.10.1.el8_8.aarch64 <br>1810:CONFIG_NVME_FABRICS=m<br>1811:CONFIG_NVME_RDMA=m<br></div><div><br></div><div>Best,</div><div>Xinliang</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div><b><br></b></div><div>Thanks!<b><br></b></div></div>_______________________________________________<br>
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