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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-8545) Unneeded VR reboot after successful live migration
Date Thu, 18 Jun 2015 05:58:01 GMT


ASF GitHub Bot commented on CLOUDSTACK-8545:

Github user anshul1886 commented on the pull request:

> Unneeded VR reboot after successful live migration
> --------------------------------------------------
>                 Key: CLOUDSTACK-8545
>                 URL:
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.4.3, 4.5.1
>            Reporter: René Moser
>            Priority: Blocker
>             Fix For: 4.6.0
> The changes committed to fix #7994 are causing a lot of downtimes due unneeded VR reboots,
it fixes an edge case:
> In case of live migration fails and the VR will be rebooted from VMware HA, it VR network
config will get lost.
> This edge case seems to be fixed in a more reliable way in 4.6 with persistent router
config. Live migration on VMware rarely fails with such a small VM like the VR is, with low
RAM and no I/O. The current implementation does a router restart in every case just to make
"sure" config is there. This causes downtime up to 30 minutes in production environments.
> Therefore I suggest to revert the changes in 4.5.2 and 4.6.
> Also see ML thread in dev

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