Open Stack

On Wed, Nov 6, 2013 at 3:06 PM, Razique Mahroua
<razique.mahroua at gmail.com> wrote:
> I can do some consulting if you want :p

This may be interesting, but totally off topic :)

> Which mail are you referring to?

This one: http://lists.openstack.org/pipermail/openstack/2013-November/002623.html
subject: "Instances fail during/after networking"

> and what do you mean by “crazy”? Performance-wise or did you have some bugs
> due to your inconsistent database?

nova-network is spinning at 80-90% of cpu for minutes, giving IP
addresses only after a few *minutes*, so that the creation of the VM
goes in timeout and thus is failing.
Similarly when deleting a VM, it takes ages and sometimes I have to
terminate them twice in order to have them killed.

.a.


>
> --
> Razique
>
> On 6 Nov 2013 at 06:06:47, Antonio Messina (antonio.s.messina at gmail.com)
> wrote:
>
> On Wed, Nov 6, 2013 at 12:46 PM, Razique Mahroua
> <razique.mahroua at gmail.com> wrote:
>> I’d say it’s risky since it’s possible that you end up with inconsistent
>> states, especially with the security_groups and keypairs tables.
>>
>> You should probably dump the whole database and restore it if needed
>
> I cannot.
> The reason why I need to do it is because the current database is
> already in a state which is driving nova-network crazy.
>
> I have sent an email a few days ago about the problem we are having
> with our installation. After some more checking, it seems that the
> problem is caused by the *data* currently stored in the database; we
> tried with an empty one and everything was working smoothly: instances
> are started within one minute and deleted as needed, while going back
> to the original database brings back the issue.
>
> So, we guess it's something on the database, but we don't have either
> the time nor the competence nor the need to further debug the issue,
> since we are planning to move Havana soon and we have to keep the
> cloud up&running ASAP.
>
> Therefore we decided to clean up the database and remove more or less
> everything, but as I said, we would like to keep the information
> mentioned before.
>
> .a.
>
>>
>>
>> Razique
>>
>> --
>> Razique
>>
>> On 6 Nov 2013 at 03:46:02, Antonio Messina (antonio.s.messina at gmail.com)
>> wrote:
>>
>> Hi all,
>>
>> We need to backup and then recover some information from the nova
>> database, specifically:
>>
>> * flavors
>> * quotas
>> * keypairs
>> * security groups
>>
>> I would like to know which tables I am supposed to back up and
>> recover, I guess the following:
>>
>> * quotas
>> * security_groups
>> * security_group_rules
>> * instance_types
>>
>> are enough? Can I just dump them with mysqldump and recover them with
>> mysql < backupfile?
>>
>> .a.
>>
>> -- br/>antonio.s.messina@@gmail.com
>> antonio.messina at uzh.ch +41 (0)44 635 42 22
>> GC3: Grid Computing Competence Center http://www.gc3.uzh.ch/
>> University of Zurich
>> Winterthurerstrasse 190
>> CH-8057 Zurich Switzerland
>>
>> _______________________________________________
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>
>
>
> -- br/>antonio.s.messina@@gmail.com
> antonio.messina at uzh.ch +41 (0)44 635 42 22
> GC3: Grid Computing Competence Center http://www.gc3.uzh.ch/
> University of Zurich
> Winterthurerstrasse 190
> CH-8057 Zurich Switzerland



-- 
antonio.s.messina at gmail.com
antonio.messina at uzh.ch                     +41 (0)44 635 42 22
GC3: Grid Computing Competence Center      http://www.gc3.uzh.ch/
University of Zurich
Winterthurerstrasse 190
CH-8057 Zurich Switzerland