[JIRA] (OVIRT-649) rebuild/reconfigure PHX storage to improve performance

[Evgheni Dereveanchin (oVirt JIRA)]

     [ https://ovirt-jira.atlassian.net/browse/OVIRT-649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evgheni Dereveanchin reassigned OVIRT-649:
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    Assignee: Evgheni Dereveanchin  (was: infra)

> rebuild/reconfigure PHX storage to improve performance
> ------------------------------------------------------
>
>                 Key: OVIRT-649
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-649
>             Project: oVirt - virtualization made easy
>          Issue Type: Task
>          Components: General
>            Reporter: Evgheni Dereveanchin
>            Assignee: Evgheni Dereveanchin
>
> Currently the storage setup is not well suited for CI workloads:
> 1) production and builder VMs are on the same RAID volume, so there is no resource tiering
> 2) all the storage is DRBD backed, even for data that doesn't need to be sync'ed
> 3) RAID50 is used which is slow on random writes
> 4) there is no dedicated DRBD sync network
> This ticket is to track changes to optimize the storage and make it perform better while not losing reliability.



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