hi Timofei
I don't have any specific use case, this issue is found while I am doing
live migration testing, what I did is:
1. create 2 compute node,
2. create a nfs service on one of compute node, let's say node-2 and
expose /opt/stack/date/nova/instances
3. mount node-2:/opt/stack/date/nova/instances to node-1 's /mnt
4. specify /mnt as node-1's instance_dir so node-1 and node-2 have
shared instance_dir(with different path)
5. live migration an instance and fail.
Thanks
Eli.
On 2016年04月29日 19:52, Timofei Durakov wrote:
Hi,
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?
Timofey
On Fri, Apr 29, 2016 at 4:47 AM, Eli Qiao <[email protected]
<mailto:[email protected]>> 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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