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

[Evgheni Dereveanchin (oVirt JIRA)]

Evgheni Dereveanchin created OVIRT-649:
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             Summary: 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: infra


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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