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    <title>topic Re: Comportamento anomalo cp da datastore NFS a VMFS in Italian Discussions</title>
    <link>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222236#M10008</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Ciao,&lt;/P&gt;&lt;P&gt;non riesco a fare ora una prova al volo, ma quasi sicuramente il cp sta&lt;/P&gt;&lt;P&gt;portando la tua VM da thin provisioned a thick provisioned.&lt;/P&gt;&lt;P&gt;Per mantenerla thin puoi o clonare la vm tramite vCenter oppure usare il&lt;/P&gt;&lt;P&gt;comando vmkfstools (&lt;/P&gt;&lt;P&gt;&lt;A href="https://pubs.vmware.com/vsphere-55/topic/com.vmware.vsphere.storage.doc/GUID-A5D85C33-A510-4A3E-8FC7-93E6BA0A048F.html" target="test_blank"&gt;https://pubs.vmware.com/vsphere-55/topic/com.vmware.vsphere.storage.doc/GUID-A5D85C33-A510-4A3E-8FC7-93E6BA0A048F.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;--&lt;/P&gt;&lt;P&gt;Giuseppe&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;2015-04-27 22:21 GMT+02:00 lucafeudi &amp;lt;communities-emailer@vmware.com&amp;gt;:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;BLOCKQUOTE level="1"&gt;&lt;P&gt;      VMware Communities &amp;lt;https://communities.vmware.com/index.jspa&amp;gt;&lt;/P&gt;&lt;P&gt;Comportamento anomalo cp da datastore NFS a VMFS  created by lucafeudi&lt;/P&gt;&lt;P&gt;&amp;lt;https://communities.vmware.com/people/lucafeudi&amp;gt; in *Italy Area VMware&lt;/P&gt;&lt;P&gt;User Group* - View the full discussion&lt;/P&gt;&lt;P&gt;&amp;lt;https://communities.vmware.com/message/2501568#2501568&amp;gt;&lt;/P&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 27 Apr 2015 22:49:22 GMT</pubDate>
    <dc:creator>GiuseppeG</dc:creator>
    <dc:date>2015-04-27T22:49:22Z</dc:date>
    <item>
      <title>Comportamento anomalo cp da datastore NFS a VMFS</title>
      <link>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222235#M10007</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Ciao a tutti,&lt;/P&gt;&lt;P&gt;ho notato la presenza di questa User Group e vorrei esporvi un dubbio.&lt;/P&gt;&lt;P&gt;Effettuando il comando "cp" di un vmk di tipo thin da un datastore di tipo NFS della grandezza approssimativa di 300 GB il file di destinazione sull datastore VMFS risulta essere molto più grande.&lt;/P&gt;&lt;P&gt;Non posso putroppo indicare la grandezza finale del file in quanto arrivato ad oltre 1TB o deciso di interrompere la copia.&lt;/P&gt;&lt;P&gt;Non riesco a darmi una spiegazione logica a questo comportamento, tanto da rieseguire l'attività per 2 volte su host e dischi virtuali (sempre di tipo thin) diversi.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Vi è mai capitato una cosa del genere? &lt;/P&gt;&lt;P&gt;Grazie in anticipo a chi mi risponderà&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Luca Feudi&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 27 Apr 2015 20:20:42 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222235#M10007</guid>
      <dc:creator>lucafeudi</dc:creator>
      <dc:date>2015-04-27T20:20:42Z</dc:date>
    </item>
    <item>
      <title>Re: Comportamento anomalo cp da datastore NFS a VMFS</title>
      <link>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222236#M10008</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Ciao,&lt;/P&gt;&lt;P&gt;non riesco a fare ora una prova al volo, ma quasi sicuramente il cp sta&lt;/P&gt;&lt;P&gt;portando la tua VM da thin provisioned a thick provisioned.&lt;/P&gt;&lt;P&gt;Per mantenerla thin puoi o clonare la vm tramite vCenter oppure usare il&lt;/P&gt;&lt;P&gt;comando vmkfstools (&lt;/P&gt;&lt;P&gt;&lt;A href="https://pubs.vmware.com/vsphere-55/topic/com.vmware.vsphere.storage.doc/GUID-A5D85C33-A510-4A3E-8FC7-93E6BA0A048F.html" target="test_blank"&gt;https://pubs.vmware.com/vsphere-55/topic/com.vmware.vsphere.storage.doc/GUID-A5D85C33-A510-4A3E-8FC7-93E6BA0A048F.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;--&lt;/P&gt;&lt;P&gt;Giuseppe&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;2015-04-27 22:21 GMT+02:00 lucafeudi &amp;lt;communities-emailer@vmware.com&amp;gt;:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;BLOCKQUOTE level="1"&gt;&lt;P&gt;      VMware Communities &amp;lt;https://communities.vmware.com/index.jspa&amp;gt;&lt;/P&gt;&lt;P&gt;Comportamento anomalo cp da datastore NFS a VMFS  created by lucafeudi&lt;/P&gt;&lt;P&gt;&amp;lt;https://communities.vmware.com/people/lucafeudi&amp;gt; in *Italy Area VMware&lt;/P&gt;&lt;P&gt;User Group* - View the full discussion&lt;/P&gt;&lt;P&gt;&amp;lt;https://communities.vmware.com/message/2501568#2501568&amp;gt;&lt;/P&gt;&lt;/BLOCKQUOTE&gt;&lt;P&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 27 Apr 2015 22:49:22 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222236#M10008</guid>
      <dc:creator>GiuseppeG</dc:creator>
      <dc:date>2015-04-27T22:49:22Z</dc:date>
    </item>
    <item>
      <title>Re: Comportamento anomalo cp da datastore NFS a VMFS</title>
      <link>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222237#M10009</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Ciao e grazie per la risposta.&lt;/P&gt;&lt;P&gt;Effettivamente è stata la prima cosa che mi è venuta in mente.&lt;/P&gt;&lt;P&gt;Ho fatto un po di ricerche e molte persone e libri indicano di non usare comandi *nix con file vmdk senza però dare una spiegazione tecnica se non una "gestione particolare dei file sotto vmfs" e per problemi di performance dovuti alle SCSI Reservation. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Seguirò comunque questo consiglio e utilizzerò vmkftools.&lt;/P&gt;&lt;P&gt;Riporto alcuni link che potrebbe essere utili ad altre persone che incontreranno lo stesso comportamento:&lt;/P&gt;&lt;P&gt;&lt;A href="https://www.dougware.net/blog/2011/07/03/correcting-a-copiedmoved-vmdk-in-vmware-esx/"&gt;https://www.dougware.net/blog/2011/07/03/correcting-a-copiedmoved-vmdk-in-vmware-esx/&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;A _jive_internal="true" href="https://communities.vmware.com/docs/DOC-12499"&gt;https://communities.vmware.com/docs/DOC-12499&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;A presto&lt;/P&gt;&lt;P&gt;Luca Feudi&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 28 Apr 2015 08:37:50 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/Italian-Discussions/Comportamento-anomalo-cp-da-datastore-NFS-a-VMFS/m-p/2222237#M10009</guid>
      <dc:creator>lucafeudi</dc:creator>
      <dc:date>2015-04-28T08:37:50Z</dc:date>
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