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From Jeff Hair <j...@greenqloud.com>
Subject Re: IPs Getting Stuck on Multiple Routers
Date Mon, 21 Mar 2016 17:00:35 GMT
I have submitted a pull request to fix this issue on 4.7:
https://github.com/apache/cloudstack/pull/1450

Input/comments would be great.

On Tue, Mar 15, 2016 at 1:18 PM, Jeff Hair <jeff@greenqloud.com> wrote:

> Don't think there's any real known workaround except a cron job to sync
> the IPs on the router with what's in the database. This is how we solved it
> in 4.2. Every 3 minutes get a list of IPs from the routers, compare to DB,
> then send an IpAssoc command to fix them if necessary.
>
> But I'm looking for a better way to fix it this time. Maybe refactoring
> the IP assignment in enableStaticNat to only associate/disassociate one IP
> at a time would work.
>
> On Tue, Mar 15, 2016 at 9:26 AM, Sven Knohsalla <
> sven.knohsalla@empolis.com> wrote:
>
>> Hi,
>>
>> we are running into the same problem.
>> Is there are workaround for this issue ?
>>
>> Thanks in advance.
>>
>> Regards,
>> Sven.
>>
>> -----Ursprüngliche Nachricht-----
>> Von: Jeff Hair [mailto:jeff@greenqloud.com]
>> Gesendet: Dienstag, 15. März 2016 09:49
>> An: users@cloudstack.apache.org
>> Betreff: Re: IPs Getting Stuck on Multiple Routers
>>
>> Thanks for the reply. Is there a JIRA ticket for this?
>>
>> On Tue, Mar 15, 2016 at 6:35 AM, Sanjeev Neelarapu <
>> sanjeev.neelarapu@accelerite.com> wrote:
>>
>> > Hi Jeff,
>> >
>> > This is a known issue and is hypervisor agnostic.
>> >
>> > -Sanjeev
>> >
>> > -----Original Message-----
>> > From: Jeff Hair [mailto:jeff@greenqloud.com]
>> > Sent: Monday, March 14, 2016 10:06 PM
>> > To: users@cloudstack.apache.org
>> > Subject: IPs Getting Stuck on Multiple Routers
>> >
>> > Hi,
>> >
>> > If you disassociate a bunch of public IPs at once from an account, it
>> > tends to be that the IPs are still stuck on the virtual router even
>> > though they have been successfully released on the management server.
>> > Another account later acquires that IP, and now two routers have the
>> > same public IPs attached to them. This leads to intermittent
>> > connectivity loss for the accounts.
>> >
>> > The only way currently to fix this is to restart network (not
>> > acceptable in production environment) or to make some kind of cron job
>> > which manually fixes broken IPs (barely any better).
>> >
>> > This happens at least on KVM. I assume it happens on other hypervisors
>> > as well.
>> >
>> > Is this a known issue?
>> >
>> > Thanks,
>> >
>> > Jeff
>> >
>> >
>> >
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>>
>>
>> --
>> *Jeff Hair*
>> Technical Lead and Software Developer
>>
>> Tel: (+354) 415 0200
>> jeff@greenqloud.com
>> www.greenqloud.com
>>
>
>
>
> --
> *Jeff Hair*
> Technical Lead and Software Developer
>
> Tel: (+354) 415 0200
> jeff@greenqloud.com
> www.greenqloud.com
>
>

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