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From Alena Prokharchyk <Alena.Prokharc...@citrix.com>
Subject Re: What are the steps for effectively shrinking a pod's management ip range?
Date Tue, 05 Jun 2012 01:23:54 GMT
On 6/4/12 6:15 PM, "Evan Miller" <Evan.Miller@citrix.com> wrote:

>
>-----Original Message-----
>From: Alena Prokharchyk [mailto:Alena.Prokharchyk@citrix.com]
>Sent: Monday, June 04, 2012 3:38 PM
>To: cloudstack-users@incubator.apache.org
>Subject: Re: What are the steps for effectively shrinking a pod's
>management ip range?
>
>On 6/4/12 3:28 PM, "Evan Miller" <Evan.Miller@citrix.com> wrote:
>
>>Running CloudStack Management Server v3.0.1 on Centos 6.2.
>> 
>>Running XenServer v6.0.2.
>> 
>>There is a single zone, single pod, single
>>
>>cluster and (currently) single (XenServer) host.
>> 
>>I'd like to remove two ip addresses from the current management ip
>>range for the pod. Then, I'd like to add those two ip addresses to the
>>new, second pod.
>> 
>>A set of private and management ip addresses
>>
>>currently exists in the existing pod.
>> 
>>I tried a few thing, but it appears that the fact that I defined a set
>>of private ips for the pod is preventing me from deleting the pod.
>>Note: Deleting hosts is no problem.
>> 
>>I am working in a non-production environment trying to determine
>>peculiar and particular limits to CloudStack v3.0.1.
>> 
>>Regards,
>>  
>>Evan Miller
>>  
>>Citrix Systems. Inc.
>>Desktop and Cloud Engineering Infrastructure
>>4988 Great America Parkway
>>Santa Clara, CA 95054
>>(V) and (F) 408-790-8489
>>(C)         925-209-1428
>>(Email)     
>>Evan.Miller@citrix.com <mailto:Evan.Miller@citrix.com>
>>
>> 
>>
>
>Management ip addresses are not used by hosts; they are used by the
>system vms (SSVM and Console proxy vms). The vms have to be stopped in
>order to release these Ips. Here are the steps:
>
>1) check which vms are using those ips:
>
>select instance_id from nics where id in (select nic_id from
>op_dc_ip_address_alloc where taken is not null);
>
>2) put your xen hosts into maintenance mode - this has to be done to
>ensure the system won't find a spot to restart SSVM and CPVM
>
>> Is the CPVM = v-2-VM?
>
>> Evan



Yes.

>
>
>3) stop SSVM and CPVM having ids that we got on step 1)
>4) If private (management) ip addresses you want to remove, are located
>in the beginning or at the end of the pod range, you can shrink the Pod
>range by editing the pod. If they are not, you have to remove the pod and
>reconfigure it again.
>
>
>-Alena.
>
>



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