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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Based on your hardware the performance is as low as expected. You can limit the speed of vzdump.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Create the /etc/vzdump.conf file with the following content:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">bwlimit: 5000<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">for details, see ‘man vzdump’<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Martin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Muhammad Yousuf Khan [mailto:sirtcp@gmail.com]
<br>
<b>Sent:</b> Dienstag, 14. Juni 2011 17:31<br>
<b>To:</b> Martin Maurer<br>
<b>Cc:</b> pve-user@pve.proxmox.com<br>
<b>Subject:</b> Re: [PVE-User] VM issue when Backup over NAS,<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Just FYI<o:p></o:p></p>
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<p class="MsoNormal">the IOdelay problem is only with the machine that i terminated the vzdump(backup job) during the test backup. other seems to b working fine.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Tthanks<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Jun 14, 2011 at 8:21 PM, Muhammad Yousuf Khan <<a href="mailto:sirtcp@gmail.com">sirtcp@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">Proxmox<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">Openfiler<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">2.66 Quad Core<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">P4 3.0 Server board <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">8GB<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">4GB<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">HD<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">1TB<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">250 GB<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">No<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">RAM<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">1GB<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto">1GB<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Jun 14, 2011 at 7:56 PM, Martin Maurer <<a href="mailto:martin@proxmox.com" target="_blank">martin@proxmox.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D">Pls provide all information about your boxes like requested below.</span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D">Martin</span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D"> </span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> Muhammad Yousuf Khan [mailto:<a href="mailto:sirtcp@gmail.com" target="_blank">sirtcp@gmail.com</a>]
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<b>Sent:</b> Dienstag, 14. Juni 2011 16:25<br>
<b>To:</b> Martin Maurer<br>
<b>Cc:</b> <a href="mailto:pve-user@pve.proxmox.com" target="_blank">pve-user@pve.proxmox.com</a><br>
<b>Subject:</b> Re: [PVE-User] VM issue when Backup over NAS,</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">here you go </span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt"> </span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">CPU BOGOMIPS: 21332.18</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">REGEX/SECOND: 521349</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">HD SIZE: 94.49 GB (/dev/mapper/pve-root)</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">BUFFERED READS: 25.19 MB/sec</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">AVERAGE SEEK TIME: 32.31 ms</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">FSYNCS/SECOND: 3.24</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">DNS EXT: 303.86 ms</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">DNS INT: 320.81 ms (com)</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt"> </span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">please tell me what is the ideal approach for controlling the IO delay , ISCSI or local Storage.</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt">right now IO delay is b/w 35 to 50 percent. how can i see the per VM IO so i can manually check what is going on inside rather checking
every single VM one by one</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT" style="font-size:10.0pt"> </span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT">On Tue, Jun 14, 2011 at 6:30 PM, Martin Maurer <<a href="mailto:martin@proxmox.com" target="_blank">martin@proxmox.com</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D">Looks like your storage/network is overloaded. Try reducing the vzdump bandwith (see ‘man vzdump’).</span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D"> </span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D">Also post the output of ‘pveperf’ from your Proxmox VE host and give details about the used storage/raid hardware (Proxmox VE host and
Openfiler).</span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D"> </span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D">Martin</span><span lang="DE-AT"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;color:#1F497D"> </span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt">
<a href="mailto:pve-user-bounces@pve.proxmox.com" target="_blank">pve-user-bounces@pve.proxmox.com</a> [mailto:<a href="mailto:pve-user-bounces@pve.proxmox.com" target="_blank">pve-user-bounces@pve.proxmox.com</a>]
<b>On Behalf Of </b>Muhammad Yousuf Khan<br>
<b>Sent:</b> Dienstag, 14. Juni 2011 13:49<br>
<b>To:</b> <a href="mailto:pve-user@pve.proxmox.com" target="_blank">pve-user@pve.proxmox.com</a><br>
<b>Subject:</b> [PVE-User] VM issue when Backup over NAS,</span><span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Openfiler : 2.99<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">NAS LAN : 1GB (through put is 25% i don't know why, at least acceptable)<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">RAM :4gb<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Proxmox : 1.8<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Quadcore : 2.66<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Ram : 8GB<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Proxmox LAN : 1G <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I am using Openfiler as a NAS box. and using NFS and ISCSI both as a storage medium. but i have noticed one thing when i backup a VM on NFS and also copy a huge file inside Running
VM which is hosted on ISCSI on same openfiler box. My VM get stuck. i can move the copy window in running VM but can not close task bar or copy window. until the backup task of a VM gets finishes then copy inside VM continue and VM gets usable.<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">how can i over come that issue. for instance if i run backup backup of my data which is inside VM it will again HANG and thing may unavailable to users during backup which is not
an option<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">any help?<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks you<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">MYK<span lang="DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span lang="DE-AT"><br>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE-AT"> <o:p></o:p></span></p>
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