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Posted to issues@cloudstack.apache.org by "René Moser (JIRA)" <ji...@apache.org> on 2015/06/09 12:02:00 UTC

[jira] [Updated] (CLOUDSTACK-8545) Unneeded VR reboot after successful live migration

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-8545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

René Moser updated CLOUDSTACK-8545:
-----------------------------------
    Description: 
The changes committed to fix #7994 are causing a lot of downtimes due unneeded VR reboots, it fixes an edge case:

When live migration fails and the VR will be rebooted (from VMware HA) and looses its config. 

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. I suggest to revert it in 4.5.2.

Also see ML thread in dev http://mail-archives.apache.org/mod_mbox/cloudstack-dev/201506.mbox/%3C2D22E663-AFC2-4292-B16A-F6C2FCA0C217%40shapeblue.com%3E


  was:
The changes committed to fix #7994 are causing a lot of downtimes due unneeded VR reboots, it fixes en edge case, when a live migration fails and the VR will be rebooted (from VMware HA) and looses its config. 

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. I suggest to revert it in 4.5.2.

Also see ML thread in dev http://mail-archives.apache.org/mod_mbox/cloudstack-dev/201506.mbox/%3C2D22E663-AFC2-4292-B16A-F6C2FCA0C217%40shapeblue.com%3E



> Unneeded VR reboot after successful live migration
> --------------------------------------------------
>
>                 Key: CLOUDSTACK-8545
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8545
>             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:
> When live migration fails and the VR will be rebooted (from VMware HA) and looses its config. 
> 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. I suggest to revert it in 4.5.2.
> Also see ML thread in dev http://mail-archives.apache.org/mod_mbox/cloudstack-dev/201506.mbox/%3C2D22E663-AFC2-4292-B16A-F6C2FCA0C217%40shapeblue.com%3E



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