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[mao weijie <mwjpiero@xxxxxxxxx>]

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