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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8751) Minimise VR downtime during network update
Date Mon, 12 Sep 2016 11:46:20 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15483889#comment-15483889
] 

ASF subversion and git services commented on CLOUDSTACK-8751:
-------------------------------------------------------------

Commit 75f89c7676ac04821436e4b1bff820a17797bf46 in cloudstack's branch refs/heads/master from
[~bharat.kumar]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=75f89c7 ]

CLOUDSTACK-8751

Minimise network downtime during network updates when redundant VR is being used.
database schema changes
Made changes to the updateNetwork API.


> Minimise VR downtime during network update
> ------------------------------------------
>
>                 Key: CLOUDSTACK-8751
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8751
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Bharat Kumar
>            Assignee: Bharat Kumar
>
> Currently we use redundant virtual router enabled networks to prevent network outage
even if one of the virtual router fails. This is achieved by using redundant virtual routers
along with VRRP protocol. This has increased the network robustness. However  updating a network
with new network offering involves some downtime due to Vr restarts. In case of redundant
VR based networks we can sequence the network update operations to update the backup first
and then update the master while master's operations are being handled by backup, this way
i think we can minimise the downtime.
> Link to FS https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=61310469



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