Open Stack

*I think domain attribute is more appropriate than nova.conf node config,
need to consider across host task like **migrate and live-migrate :)*


2014-02-24 10:45 GMT+08:00 zhangyu (AI) <zhangyu11 at huawei.com>:

>  Sure, hard-coding seems weird…
>
>
>
> 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.
>
>
>
> Could we add any new attributes in the info for creating a domain for
> this? Or any other suggestion?
>
>
>
> Thanks!
>
>
>
> *发件人:* wu jiang [mailto:wingwj at gmail.com]
> *发送时间:* 2014年2月24日 10:31
> *收件人:* OpenStack Development Mailing List
> *主题:* [openstack-dev] [OpenStack-dev][Nova] Can we add one configuration
> item for cache-using in libvirt/hypervisor?
>
>
>
> Hi all,
>
>
>
> Recently, I met one scenario which needs to close the cache on linux
> hypervisor.
>
>
>
> But some codes written in libvirt/driver.py (including suspend/snapshot)
> are hard-coded.
>
> For example:
>
> -----------
>
>     def suspend(self, instance):
>
>         """Suspend the specified instance."""
>
>         dom = self._lookup_by_name(instance['name'])
>
>         self._detach_pci_devices(dom,
>
>             pci_manager.get_instance_pci_devs(instance))
>
>         dom.managedSave(0)
>
>
>
> So, can we add one configuration item in nova.conf, like
> *DOMAIN_SAVE_BYPASS_CACHE*, to let operator can handle it?
>
>
>
> That would be improved flexibility of Nova.
>
>
>
>
>
> Thanks
>
> wingwj
>
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>
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