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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Sure, hard-coding seems weird…
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">However, a global configuration here dominates all domains. It might be a little too strong in cases in which we want to apply various configurations
to different domains.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Could we add any new attributes in the info for creating a domain for this? Or any other suggestion?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;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:宋体">发件人<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt;font-family:宋体"> wu jiang [mailto:wingwj@gmail.com]
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</span><b><span style="font-size:10.0pt;font-family:宋体">发送时间<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt;font-family:宋体"> 2014</span><span style="font-size:10.0pt;font-family:宋体">年<span lang="EN-US">2</span>月<span lang="EN-US">24</span>日<span lang="EN-US">
10:31<br>
</span><b>收件人<span lang="EN-US">:</span></b><span lang="EN-US"> OpenStack Development Mailing List<br>
</span><b>主题<span lang="EN-US">:</span></b><span lang="EN-US"> [openstack-dev] [OpenStack-dev][Nova] Can we add one configuration item for cache-using in libvirt/hypervisor?<o:p></o:p></span></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Hi all,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Recently, I met one scenario which needs to close the cache on linux hypervisor.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">But some codes written in libvirt/driver.py (including suspend/snapshot) are hard-coded.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">For example:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">-----------<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> def suspend(self, instance):<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> """Suspend the specified instance."""<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> dom = self._lookup_by_name(instance['name'])<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> self._detach_pci_devices(dom,<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> pci_manager.get_instance_pci_devs(instance))<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> dom.managedSave(<span style="color:red;background:#F3F3F3">0</span>)<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">So, can we add one configuration item in nova.conf, like
</span><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif"">DOMAIN_SAVE_BYPASS_CACHE</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif"">, to let operator can handle it?</span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">That would be improved flexibility of Nova.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Thanks<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">wingwj<o:p></o:p></span></p>
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