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<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121">We execute the multipath -ll output information as follows, and can not obtain the information about
the host's initiator and storage target that can be directly recognized , such as WWN.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">mpathe (360022a11000beb2a7fc8e9c500000001) dm-3 HUAWEI,S5500T<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">size=512G features='1 retain_attached_hw_handler' hwhandler='0' wp=rw<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">|-+- policy='service-time 0' prio=1 status=active<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">| `- 6:0:0:1 sde 8:64 active ghost running<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">`-+- policy='service-time 0' prio=1 status=enabled<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> `- 7:0:0:1 sdd 8:48 active ready running<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">mpathd (360022a11000beb2a7fca035a00000004) dm-2 HUAWEI,S5500T<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">size=100M features='1 retain_attached_hw_handler' hwhandler='0' wp=rw<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">|-+- policy='service-time 0' prio=1 status=active<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">| `- 6:0:0:0 sdc 8:32 active ready running<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">`-+- policy='service-time 0' prio=1 status=enabled<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> `- 7:0:0:0 sdb 8:16 active ghost running<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121">We have a solution for the multipath path. Add a command to display the physical topology link information
from the host to the storage, and display the following information to quickly and easily find the host and initiator information on the storage.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN-US" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121">[root@redhat7 ~]# multipath -k<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN-US" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121">link-6:0:0 host-WWNN=iqn.1994-05.com.redhat:86329aefccdb host-WWPN=[unknown] target-WWNN=iqn.2006-08.com.huawei:oceanstor:21000022a10beb2a::1020002:129.13.100.240
target-WWPN=[undef]<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN-US" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121">link-7:0:0 host-WWNN=iqn.1994-05.com.redhat:86329aefccdb host-WWPN=[unknown] target-WWNN=iqn.2006-08.com.huawei:oceanstor:21000022a10beb2a::20003:129.13.100.241
target-WWPN=[undef]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;background:white"><span lang="EN" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121">could you agree with this solution or have a better solution?</span><span lang="EN-US" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN" style="font-size:12.0pt;font-family:"inherit",serif;color:#212121"><o:p> </o:p></span></p>
<pre><span lang="EN-US">I am looking forward to your reply.<o:p></o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun">Best wishes to you.</span><span lang="EN-US"><o:p></o:p></span></p>
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