[Rdo-list] issue about add compute node

[Mohammed Arafa]

No guarantees!!! :) let me know how it goes and what problems you
encountered it would make a good blog post or a thesis
On Apr 14, 2015 8:38 AM, "lei mei" <meilei007 at gmail.com> wrote:

> Thanks for your reply, Mohammed, the second method seems a better way I
> can have a try, only one problem I worry about, are you sure the upgrade on
> all the old node will not break the current environment?
>
> Best Regards,
> Andy
>
> 2015-04-14 20:26 GMT+08:00 Mohammed Arafa <mohammed.arafa at gmail.com>:
>
>> andy
>>
>> yes you will need to stabilise the package versions in an openstack
>> deployment. so you better make your own yum repo. but the horses have
>> bolted already from the barn. so just keep it in mind for the future
>>
>> right now, what you can do, is to extract/rebuild the rpms on your
>> compute host and rebuild them to use in your internal static yum repo. see
>>
>> http://unix.stackexchange.com/questions/140778/how-to-build-an-rpm-package-from-the-installed-files
>>
>> never tried rpmrebuild but i'd imagine that it would take a huge amount
>> of time and resources on the compute host. if this is a lab environment, i
>> suggest re deploying  your set up again.
>>
>> alternatively, you can do "yum -y upgrade" on all the old nodes, reboot
>> and voila, all nodes are now up to the same version
>>
>> thanks
>>
>>
>> On Tue, Apr 14, 2015 at 8:06 AM, lei mei <meilei007 at gmail.com> wrote:
>>
>>> Hi everyone,
>>>     When I add a new compute node to the openstack which I deployed some
>>> months ago, I meet a problem about the package version incompatible.
>>> Detail thing is below:
>>>     1. I prepare a clean centos 7 system and add the ip address to the
>>> packstack answer file.
>>>     2. Run packstack
>>>     3. Everything looks fine and I get the successful hint at last.
>>>     4. But I find the nova-compute service can't start on new compute
>>> node with below log:
>>>         nova compute service fail to start due to "Connection to the
>>> hypervisor is broken on host"
>>>      5. I checked the libvirt on compute node, find it has upgrade to
>>> the latest version but the old openstack use the old version. And a lot of
>>> packages on compute node have the newer version than the old openstack.
>>>
>>> So I want to know how do you add a new compute node to the old openstack
>>> avoid this package version incompatible issue? BTW, I use the default yum
>>> repo, so should I maintain a internal static repo for expand the openstack?
>>>
>>> -BR
>>> Andy
>>>
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>>
>>
>>
>> --
>>
>>
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>>
>
>
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