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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D;mso-fareast-language:EN-US">I/O in VM when you backup (SQL tasks etc) is slowing down backup.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Van:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> Gilberto Nunes [mailto:gilberto.nunes32@gmail.com]
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<b>Verzonden:</b> woensdag 27 augustus 2014 18:55<br>
<b>Aan:</b> Bart Lageweg | Bizway<br>
<b>CC:</b> pve-user@pve.proxmox.com<br>
<b>Onderwerp:</b> Re: [PVE-User] backup takes so long to finish<o:p></o:p></span></p>
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<p class="MsoNormal">Hum... At first moment, I thought I/O could being a trouble, since I was ran backup in USB devices.<o:p></o:p></p>
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<p class="MsoNormal">But now, I ran backup task on SAS disk! So performance and I/O is not an issue here...<o:p></o:p></p>
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<p class="MsoNormal">And, I can't shrink the file, because the entire disk is being used to all databases as I described before...<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If somebody else has any other advice, I will appreciate...<o:p></o:p></p>
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<p class="MsoNormal">Thank you<o:p></o:p></p>
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<p class="MsoNormal">2014-08-27 13:47 GMT-03:00 Bart Lageweg | Bizway <<a href="mailto:bart@bizway.nl" target="_blank">bart@bizway.nl</a>>:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">High I/O when you backup ?</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:10.0pt;font-family:"Verdana","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:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Try
<a href="https://pve.proxmox.com/wiki/Shrink_Qcow2_Disk_Files" target="_blank">https://pve.proxmox.com/wiki/Shrink_Qcow2_Disk_Files</a> (when you have a good backup!)</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:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> </span><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"">Van:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> pve-user [mailto:<a href="mailto:pve-user-bounces@pve.proxmox.com" target="_blank">pve-user-bounces@pve.proxmox.com</a>]
<b>Namens </b>Gilberto Nunes<br>
<b>Verzonden:</b> woensdag 27 augustus 2014 18:47<br>
<b>Aan:</b> <a href="mailto:pve-user@pve.proxmox.com" target="_blank">pve-user@pve.proxmox.com</a><br>
<b>Onderwerp:</b> [PVE-User] backup takes so long to finish</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hello<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I have a VM with Windows 2012 running nicely in PVE 3.2.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This VM has a 300 GB disk size that was re-partition with 5 or 6 different parts, in order to allocate different databases...<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The issue is that the backup task takes 6 hours to generate a lzo file with 13 GB size!<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">However, I have another VM, which is Windows 2008 with disk 120 GB size.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The backup makes 74 GB file of size, and takes approximately 30 minutes!!!<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I can't see why the first task took so long time to finish!!!<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Can anybody assist me??<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Gilberto Ferreira<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Gilberto Ferreira<o:p></o:p></p>
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