[openstack-dev] [nova] Should be instance_dir in all nova compute node same ?

Timofei Durakov tdurakov at mirantis.com
Fri Apr 29 11:52:35 UTC 2016


>From the first sight there are no restrictions for instance_path option.
Could you please provide some details about the use case?
I wonder would this functionality be really useful for cloud-operators, or
we just should add description to instance path option, forcing to use the
same path on compute nodes?


On Fri, Apr 29, 2016 at 4:47 AM, Eli Qiao <liyong.qiao at intel.com> wrote:

> hi team,
> Is there any require that all compute node's instance_dir should be same?
> I recently get an issue while doing live migration with migrateToURI3
> method of libvirt python interface, if
> source and dest host are configured with difference instance_dir,
> migration will fail since migrateToURI3
> requires a new xml, but we don't modified the instance_dir of dest xml.
> I reported a bug on [1]_ , would like to get confirmation before spend
> effort working on it.
> [1] https://bugs.launchpad.net/nova/+bug/1576245
> Thanks.
> --
> Best Regards, Eli Qiao (乔立勇)
> Intel OTC China
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