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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8616) Redundant VPR with both routers as Master
Date Wed, 08 Jul 2015 08:25:04 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14618205#comment-14618205
] 

ASF GitHub Bot commented on CLOUDSTACK-8616:
--------------------------------------------

Github user wilderrodrigues commented on the pull request:

    https://github.com/apache/cloudstack/pull/558#issuecomment-119490399
  
    @DaanHoogland @remibergsma @karuturi 
    
    It LGTM.
    
    There is still 1 issue, that was also mentioned by Ian, but I'm fixing that.
    
    The details can be found here: https://issues.apache.org/jira/browse/CLOUDSTACK-8616
    
    Since Ian is on holidays, I would like to get this PR merged so I can apply the fixes
based on his work and create a separate PR.
    
    Would one of you help me with that? :)
    
    Thanks in advance.
    
    Cheers,
    Wilder


> Redundant VPR with both routers as Master
> -----------------------------------------
>
>                 Key: CLOUDSTACK-8616
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8616
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Virtual Router
>    Affects Versions: 4.6.0
>            Reporter: Wilder Rodrigues
>            Assignee: Wilder Rodrigues
>
> There is an intermittent problem with the keepalived on the redundant VPC routers. Sometimes
both routers stay on Master state for a while.
> We are able to reproduce it only when testing with Marvin, which executes the calls very
quick. When using the UI and following the same steps, it doesn't happen.
> Setting up:
> 1. Create a VPC using redundant VPC offering
> 2. Add 2 Tiers
> 3. Create 2 VMs in each Tier
> 4. Create ACLs to allow traffic on port 22 coming from 0.0.0.0/0
> 5. Acquire 4 public IPs
> 6. Create Port Forwarding rules - per IP - for port 22
> 7. Assign each PF created to one of the VMs
> 8. SSH to the VMs
> Testing fail over:
> 1. Stop the Master Router
> 2. Check the the Backup Router became Master
> 3. SSH to the VMs 
> Testing failure:
> 1. Delete all port forwarding rules
> 2. SSH to the VMs 
> 3. Verify that it no longer works
> Test recovering
> 1. Restart the router
> 2. Once the router is running, check that it's on Backup state
> 3. Add the port forwarding rules back
> 4. Verify that the routers are still on the same state: 1 Master and 1 Backup
>     - That's the part when it fails during the Marvin tests
>     - When 2 routers are on Master, by restarting 1 router will bring everything to a
normal state: 1 master and 1 backup
> 5. SSH to the VMs 



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