[Openstack] All instances cannot be started and how to update nova, glance from older to the latest version

Razique Mahroua razique.mahroua at gmail.com
Mon Nov 7 15:38:50 UTC 2011


Yup : 
glance-manage db_sync


Le 7 nov. 2011 à 16:00, mao weijie a écrit :

> Thanks Jay
> 
> Does glance have "db sync" command?
> 
> 非淡泊無以明志,非寧靜無以致遠
> 
> On Nov 7, 2011, at 10:53 PM, Jay Pipes wrote:
> 
>> On 11/07/2011 09:39 AM, mao weijie wrote:
>>> Today I git pull the latest nova,glance, keystone and novaclient. Then I
>>> reinstall them in my production.But I found it cannot work fine with
>>> older version about one week ago. I use nova-manage db sync.
>>> Now I have some questions:
>>> 
>>> 1. glance now use like md5 result as id not single number in glance db.
>>> when I use glance command, it always show error.
>>> If I need to use the latest version, how can I convert it?
>> 
>> It's actually a UUID identifier now. However, the old integer IDs are just converted to strings in the db_sync, so that should not be an issue...
>> 
>> What error are you seeing? Something about integer conversion? If so, I'm not sure you have upgraded properly...
>> 
>>> 2. in nova db, instances table, I used to set "host" field the nodes
>>> hostname, now the latest version, If it is exists, error will show about
>>> " fixed_ref["instance_id"]["host"], then nova-network cannot running.
>>> 
>>> 3.I use "sudo python setup.py install" each software. Then I kill all
>>> the processes about nova. and restart them. But libvirt show like
>>> "Domain not found …… instance xxxxxxxxx". Then all my instances cannot
>>> be started and I have to delete them. Why it happen?
>>> 
>>> The important thing I want to know is that if I use git install nova,
>>> glance, keystone, how to update them safely?
>> 
>> So, if you are using the latest trunks of each project, and not using official packages, you are running a bit of a risk :) Just pointing out the obvious... but generally, the approach you are using above *should* work, as long as you remember to run a db_sync on glance/nova/keystone.
>> 
>> I don't know why instances would fail to start after an upgrade. Hoping that VIsh might be able to answer that one.
>> 
>> Cheers,
>> -jay
> 
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