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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>No, I never came across this approach. I didn’t know about virt-sparsify. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>I’ll look into that and give it a try. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Thank you<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Yaniv Dary [mailto:ydary@redhat.com] <br><b>Gesendet:</b> Dienstag, 27. September 2016 15:10<br><b>An:</b> Sven Achtelik <Sven.Achtelik@mailpool.us><br><b>Cc:</b> Maton, Brett <matonb@ltresources.co.uk>; vasily.lamykin@MegaFon.ru; Ovirt Users <users@ovirt.org><br><b>Betreff:</b> Re: [ovirt-users] VM incremental backup<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'>As I see it you have two options:<br>- In backup use '<span class=gmail-il>dd</span>' with 'conv=sparse' (or similar tool that allows sparse).<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'>- After backup use virt-sparsify [1] to reduce the size to the real used size prior to restore.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'>To make this extra efficient you can use virt-sparsify anyways after backup to make the file even smaller.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'>Have you considered this approach?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'>[1] <a href="http://libguestfs.org/virt-sparsify.1.html" target="_blank">http://libguestfs.org/virt-sparsify.1.html</a><o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Courier New"'><o:p> </o:p></span></p></div></div></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><div><div><pre><span style='font-family:"Arial",sans-serif'>Yaniv Dary<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>Technical Product Manager<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>Red Hat Israel Ltd.<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>34 Jerusalem Road<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>Building A, 4th floor<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>Ra'anana, Israel 4350109<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'><o:p> </o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>Tel : +972 (9) 7692306<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'> 8272306<o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>Email: <a href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a><o:p></o:p></span></pre><pre><span style='font-family:"Arial",sans-serif'>IRC : ydary</span><o:p></o:p></pre></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Tue, Sep 27, 2016 at 4:01 PM, Sven Achtelik <<a href="mailto:Sven.Achtelik@mailpool.us" target="_blank">Sven.Achtelik@mailpool.us</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Hi Yaniv, </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>how can this be done with DD ? Since it doesn’t know if the block is free space ? I’ve been looking for such a solution for a long time now. Everything I could find out was that I have to use a utility that understands the FS and therefore knows where the free space is. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thank you, </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Sven</span><a name="m_-6373295545161251140__MailEndCompose"></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <a href="mailto:users-bounces@ovirt.org" target="_blank">users-bounces@ovirt.org</a> [mailto:<a href="mailto:users-bounces@ovirt.org" target="_blank">users-bounces@ovirt.org</a>] <b>Im Auftrag von </b>Yaniv Dary<br><b>Gesendet:</b> Dienstag, 27. </span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>September 2016 14:38<br><b>An:</b> Maton, Brett <</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><a href="mailto:matonb@ltresources.co.uk" target="_blank"><span lang=EN-US>matonb@ltresources.co.uk</span></a></span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>><br><b>Cc:</b> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><a href="mailto:vasily.lamykin@MegaFon.ru"><span lang=EN-US>vasily.lamykin@MegaFon.ru</span></a></span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>; Ovirt Users <</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><a href="mailto:users@ovirt.org" target="_blank"><span lang=EN-US>users@ovirt.org</span></a></span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>><br><b>Betreff:</b> Re: [ovirt-users] VM incremental backup</span><span lang=EN-US><o:p></o:p></span></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Full VM disk backup. If you use dd you can drop the 0 parts of the disk. <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br clear=all><o:p></o:p></p><div><div><div><div><div><pre><span style='font-family:"Arial",sans-serif'>Yaniv Dary</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>Technical Product Manager</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>Red Hat Israel Ltd.</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>34 Jerusalem Road</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>Building A, 4th floor</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>Ra'anana, Israel 4350109</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'> </span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>Tel : <a href="tel:%2B972%20%289%29%207692306" target="_blank">+972 (9) 7692306</a></span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'> 8272306</span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>Email: <a href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a></span><o:p></o:p></pre><pre><span style='font-family:"Arial",sans-serif'>IRC : ydary</span><o:p></o:p></pre></div></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>2016-09-27 15:27 GMT+03:00 Maton, Brett <<a href="mailto:matonb@ltresources.co.uk" target="_blank">matonb@ltresources.co.uk</a>>:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Is there a preferred or recommended backup method in the meantime ?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>2016-09-22 10:30 GMT+01:00 <a href="mailto:vasily.lamykin@MegaFon.ru" target="_blank">vasily.lamykin@MegaFon.ru</a> <<a href="mailto:vasily.lamykin@megafon.ru" target="_blank">vasily.lamykin@megafon.ru</a>>:<o:p></o:p></p></div></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Hello!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I would like to understand the existence of the possibility of incremental VM backups.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>And if it is, the means by which it is achieved.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>While I was only able to achieve a complete backup of the virtual machine (but it is a very large amount of information and time) by cloning a snapshot of the VM and export to data domain.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=RU style='color:#1F497D'>Ламыкин Василий</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU style='color:#1F4E79;background:white'>Старший инженер по эксплуатации сервисных платформ</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU style='color:#1F4E79;background:white'>Столичный ф-ал ПАО "МегаФон</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU style='color:#1F4E79;background:white'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU style='color:#1F497D'><a href="tel:%2B7%20%28926%29%20500-3308" target="_blank">+7 (926) 500-3308</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU><img border=0 width=285 height=54 id="_x0000_i1025" src="cid:image001.png@01D218D2.3FA36F80" alt="МегаФон лого+знак РУС B2C"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU> </span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=RU> 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If you have received this communication in error please notify us immediately by responding to this email and then delete the e-mail and all attachments and any copies thereof.<br><br>(c)20mf50</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@ovirt.org" target="_blank">Users@ovirt.org</a><br><a href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><o:p></o:p></p></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@ovirt.org" target="_blank">Users@ovirt.org</a><br><a href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><o:p></o:p></p></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>