[JIRA] (OVIRT-609) Jenkins snapshot creation failed

[Evgheni Dereveanchin (oVirt JIRA)]

    [ https://ovirt-jira.atlassian.net/browse/OVIRT-609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17603#comment-17603 ] 

Evgheni Dereveanchin commented on OVIRT-609:
--------------------------------------------

[~eedri] we're working on this with Anton in OVIRT-604 and so far the results are good. I'll prepare more hosts to make use of SSDs on them and we can proceed with Prod migration next week after deciding the safest way to do so. In any case, as the VM was already rebooted and came up, there should be no issues with the disk image chain.

> Jenkins snapshot creation failed
> --------------------------------
>
>                 Key: OVIRT-609
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-609
>             Project: oVirt - virtualization made easy
>          Issue Type: Bug
>            Reporter: Evgheni Dereveanchin
>            Assignee: infra
>
> [~ngoldin at redhat.com] issued a live snapshot creation on the Jenkins VM to prepare it for cluster move. This failed and it's not really clear why. Relevant event logs below, suggesting that the hypervisor  started dumping VM memory to the snapshot which caused a storage slowdown.
> {quote}2016-Jun-23, 18:06 Snapshot 'ngoldin_before_cluster_move' creation for VM 'jenkins-phx-ovirt-org' was initiated by admin.
> 2016-Jun-23, 18:09 Failed to create live snapshot 'ngoldin_before_cluster_move' for VM 'jenkins-phx-ovirt-org'. VM restart is recommended. Note that using the created snapshot might cause data inconsistency.
> 2016-Jun-23, 18:13 Host ovirt-srv02 has network interface which exceeded the defined threshold [95%] (em1: transmit rate[100%], receive rate [0%])
> 2016-Jun-23, 18:13 Storage domain Production experienced a high latency of 18.7802 seconds from host ovirt-srv11. This may cause performance and functional issues. Please consult your Storage Administrator.{quote}



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