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From Ahmad Emneina <>
Subject Re: Removing a Zone
Date Thu, 05 Jul 2012 00:28:16 GMT
On 7/4/12 2:11 PM, "Caleb Call" <> wrote:

>@Edison - That's the state we're currently in.  The zone is disabled.  We
>basically removed everything starting with secondary storage.  So we
>removed Secondary storage, Primary storage, Hosts, and Clusters.  We now
>can't remove the pod (or zone) because of this error.
>@Sailaja - That query returns ~2800 rows, but no private IPs are
>assigned.  However, it looks like all of them are stuck in an Expunging
>state.  Can I just remove those from the database?
>mysql> select state,COUNT(*) from cloud.vm_instance;
>| state     | COUNT(*) |
>| Expunging |     2803 |
>1 row in set (0.02 sec)

Expunging state is the final state for VM's. Check to see if the VM's have
been removed (removed column in vm_instances will have a timestamp). Can
you check the nics table? Check  the results from 'select * from nics
where removed is null;' this might yield the nic's that are still tying up
the process.

>@Geoff - See above, we have been able to remove everything up to the pod
>level, including system VMs and even the hypervisors (hosts).
>At this point, with no hosts added, I can't see any possible way an IP is
>actually being used.
>Thanks guys for the quick responses.
>On Jul 4, 2012, at 1:14 AM, Geoff Higginbottom wrote:
>> Ensure all System VMs and Virtual Routers have been destroyed so they
>>release their IPs.  When deleting a Zone, I always put all Primary
>>Storage and Hosts into Maintenance, then destroy all VMs, but I find
>>sometimes you have repeat the destroy process as the System VMs get
>>recreated  even when everything is in maintenence mode.
>> On 4 Jul 2012, at 05:49, "Sailaja Mada" <> wrote:
>> Hi,
>> Can you check the records of vm_instance table with query :>  select
>>id,name,instance_name,private_ip_address,pod_id from cloud.vm_instance;
>> This table gives the information about private_ip_address usage within
>>the POD . POD deletion will fail If there are any system VM entries with
>>the state of expunging .
>> Thanks and Regards,
>> Sailaja.M
>> -----Original Message-----
>> From: Caleb Call []
>> Sent: Wednesday, July 04, 2012 9:17 AM
>> To:
>> Subject: Re: Removing a Zone
>> On Jul 3, 2012, at 3:20 PM, Caleb Call wrote:
>>> On Jul 3, 2012, at 3:10 PM, Ahmad Emneina wrote:
>>>> On 7/3/12 1:50 PM, "Caleb Call" <> wrote:
>>>>> We're setting up a cloudstack install and one of our guys setup the
>>>>> first zone as a basic zone.  We need the vlan support the advanced
>>>>> provides so we're trying so remove the basic zone and recreate an
>>>>>advanced one.
>>>>> However, ever after removing system VMs, we are not able to remove
>>>>> the pod.  We get an error that says "There are private IP addresses
>>>>> allocated for this pod".  This isn't the case though (atleast not
>>>>>that we can see).
>>>>> Is there anyway to see where the IPs are supposedly being used,
>>>>> and/or forcibly remove this pod or zone?
>>>>> Thanks,
>>>>> Caleb
>>>> What you might want to do is disable the zone and set the various
>>>> process intervals for cleanup (found in the global settings section)
>>>> to run more often. The params you will want to change are the
>>>> - expunge.interval
>>>> - expunge.delay
>>>> - network.gc.interval
>>>> - network.gc.wait
>>>> These will require a service restart. I believe you have vm's that
>>>> have yet to be expunged. This will speed up the process.
>>>> --
>>>> Æ
>>> Excellent, We'll give that a shot and see if that clears them up (I'm
>>> assuming it will).  Thanks
>>> Thanks,
>>> Caleb
>> We applied these changes and we still get the same error.  We changed
>>everything down to 1 sec and still no luck.  We tried restarting the
>>service, nothing, we even rebooted the server with no luck.  The odd
>>thing is the only VMs even built were the system VMs, we haven't even
>>attempted to build or spin-up any instances ourselves.  Like I said,
>>we're still trying to get the networking piece configured properly.  Are
>>there any other suggestions on what we could try?  It wouldn't be a big
>>deal to just rebuild the management server but I'd like to figure this
>>out for when it's a prod machine and I have something like this crop up.
>> Thanks,
>> Caleb
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