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https://issues.apache.org/jira/browse/CLOUDSTACK-8751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14901943#comment-14901943
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ASF GitHub Bot commented on CLOUDSTACK-8751:
--------------------------------------------
GitHub user bvbharatk opened a pull request:
https://github.com/apache/cloudstack/pull/866
CLOUDSTACK-8751 minimise downtime of network when network update is in
progress.
more info in the bug link below.
https://issues.apache.org/jira/browse/CLOUDSTACK-8751
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/bvbharatk/cloudstack CLOUDSTACK-8751
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cloudstack/pull/866.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #866
----
commit c06bf9c29e2561195ce4cec09202886066c58173
Author: Bharat Kumar <bharat.ku...@citrix.com>
Date: 2015-08-06T08:45:48Z
CLOUDSTACK-8751
Minimise network downtime during network updates when redundant VR is being
used.
database schema changes
Made changes to the updateNetwork API.
commit 623859f34bbe1d34331ff1e4af97c11616f7841c
Author: Bharat Kumar <bharat.ku...@citrix.com>
Date: 2015-08-20T11:51:20Z
CLOUDSTACK-8751 Added tests
----
> 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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