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Zaoxu, Li
305c41bb57
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Zaoxu, Li <lizaoxu@huawei.com> Co-committed-by: Zaoxu, Li <lizaoxu@huawei.com>
18 lines
1.9 KiB
HTML
18 lines
1.9 KiB
HTML
<a name="evs_faq_0021"></a><a name="evs_faq_0021"></a>
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<h1 class="topictitle1">Why Do Some of My EVS Disks Not Have WWN Information?</h1>
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<div id="body1524276339471"><p id="evs_faq_0021__p96229543519">EVS disks have two device types: VBD and SCSI. WWNs are used as the unique identifiers for SCSI EVS disks, and VBD EVS disks do not have WWNs.</p>
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<p id="evs_faq_0021__p1666017415214">You can view the WWN of a SCSI EVS disk on the management console. The details are as follows:</p>
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<ul id="evs_faq_0021__ul87174420184"><li id="evs_faq_0021__li76729821810">If the SCSI EVS disk is brand new, you can view the disk WWN on the disk details page.<div class="p" id="evs_faq_0021__p598718991820"><a name="evs_faq_0021__li76729821810"></a><a name="li76729821810"></a><a href="#evs_faq_0021__fig10936527101715">Figure 1</a> shows the query result.<div class="fignone" id="evs_faq_0021__fig10936527101715"><a name="evs_faq_0021__fig10936527101715"></a><a name="fig10936527101715"></a><span class="figcap"><b>Figure 1 </b>Queried WWN information</span><br><span><img id="evs_faq_0021__image59371027111717" src="en-us_image_0107917672.png"></span></div>
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</div>
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</li><li id="evs_faq_0021__li2876101711186">If the SCSI EVS disk was created before the WWN feature rollout, the disk WWN will fail to be obtained.<p id="evs_faq_0021__p20212059151820"><a name="evs_faq_0021__li2876101711186"></a><a name="li2876101711186"></a><a href="#evs_faq_0021__fig1293431911208">Figure 2</a> shows the query result.</p>
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<div class="fignone" id="evs_faq_0021__fig1293431911208"><a name="evs_faq_0021__fig1293431911208"></a><a name="fig1293431911208"></a><span class="figcap"><b>Figure 2 </b>No WWN information</span><br><span><img id="evs_faq_0021__image197065139205" src="en-us_image_0107919973.png"></span></div>
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</li></ul>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_0081.html">General</a></div>
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</div>
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</div>
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