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    <title>topic Storage is lost in ESXi in VMware vSphere™ Discussions</title>
    <link>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965117#M45090</link>
    <description>&lt;P&gt;&lt;SPAN&gt;Hi Please see the below. The USB-Storage is lost. The capacity of the original storage is 2TB, now its 0. During I installed Windows 10 as a VM, the process suddently stoped and then I noticed the capacity is lost. I did not make any change on ESXi, I rebooted ESXi, but it cannot resolve the issue. Anyone can help to provide suggestion? Thank you very much!&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="gciscol_0-1682132147192.png" style="width: 400px;"&gt;&lt;img src="https://communities.vmware.com/t5/image/serverpage/image-id/101140i6676D849DF4B8AFF/image-size/medium/is-moderation-mode/true?v=v2&amp;amp;px=400" role="button" title="gciscol_0-1682132147192.png" alt="gciscol_0-1682132147192.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Sat, 22 Apr 2023 02:56:31 GMT</pubDate>
    <dc:creator>gciscol</dc:creator>
    <dc:date>2023-04-22T02:56:31Z</dc:date>
    <item>
      <title>Storage is lost in ESXi</title>
      <link>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965117#M45090</link>
      <description>&lt;P&gt;&lt;SPAN&gt;Hi Please see the below. The USB-Storage is lost. The capacity of the original storage is 2TB, now its 0. During I installed Windows 10 as a VM, the process suddently stoped and then I noticed the capacity is lost. I did not make any change on ESXi, I rebooted ESXi, but it cannot resolve the issue. Anyone can help to provide suggestion? Thank you very much!&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="gciscol_0-1682132147192.png" style="width: 400px;"&gt;&lt;img src="https://communities.vmware.com/t5/image/serverpage/image-id/101140i6676D849DF4B8AFF/image-size/medium/is-moderation-mode/true?v=v2&amp;amp;px=400" role="button" title="gciscol_0-1682132147192.png" alt="gciscol_0-1682132147192.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 22 Apr 2023 02:56:31 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965117#M45090</guid>
      <dc:creator>gciscol</dc:creator>
      <dc:date>2023-04-22T02:56:31Z</dc:date>
    </item>
    <item>
      <title>Re: Storage is lost in ESXi</title>
      <link>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965156#M45092</link>
      <description>&lt;P&gt;Is usbarbitrator running?&lt;STRONG&gt;&amp;nbsp;&amp;nbsp;/etc/init.d/usbarbitrator status&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;This service should be disabled if you are using USB storage as a datastore.&lt;/P&gt;&lt;P&gt;#stop the service if running&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;/etc/init.d/usbarbitrator stop&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;Disable the service from running on startup:&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;chkconfig usbarbitrator off&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;then reboot and see if the storage is detected.&amp;nbsp; If not, you you can try to rescan for the storage by issuing:&amp;nbsp; e&lt;STRONG&gt;sxcfg-rescan -d vmhba32&amp;nbsp;&lt;/STRONG&gt; &amp;nbsp; a few times until it completes without error, then issue&amp;nbsp; &lt;STRONG&gt;esxcfg-rescan -a vmhba32&lt;/STRONG&gt;&amp;nbsp; &amp;nbsp;.&lt;/P&gt;&lt;P&gt;What version and build of ESXi are you running, and is this an external USB-connected disk device, or a USB stick?&amp;nbsp; Lastly, as I'm sure you already know,&amp;nbsp;VMFS on USB is NOT officially supported by VMware. although it is not an uncommon practice.&amp;nbsp; Never, ever do this in production or with data you cannot afford to lose &lt;img class="lia-deferred-image lia-image-emoji" src="https://communities.vmware.com/html/@677206E94727C39F3BB2721E5A55F2C1/emoticons/1f609.png" alt=":winking_face:" title=":winking_face:" /&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 22 Apr 2023 13:43:17 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965156#M45092</guid>
      <dc:creator>PatrickDLong</dc:creator>
      <dc:date>2023-04-22T13:43:17Z</dc:date>
    </item>
    <item>
      <title>Re: Storage is lost in ESXi</title>
      <link>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965161#M45093</link>
      <description>&lt;P&gt;Thanks for your reply! I thought it might be usb connection issue. so before you replied my post, i just unplug the usb and plug into the same port, then I got the below status. Now i even cannot access it via https and ssh except ping. Looks like the system broken. Why it happen?&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="gciscol_0-1682172340838.png" style="width: 400px;"&gt;&lt;img src="https://communities.vmware.com/t5/image/serverpage/image-id/101146i95EF069AA8418ED0/image-size/medium/is-moderation-mode/true?v=v2&amp;amp;px=400" role="button" title="gciscol_0-1682172340838.png" alt="gciscol_0-1682172340838.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sat, 22 Apr 2023 14:09:51 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/VMware-vSphere-Discussions/Storage-is-lost-in-ESXi/m-p/2965161#M45093</guid>
      <dc:creator>gciscol</dc:creator>
      <dc:date>2023-04-22T14:09:51Z</dc:date>
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