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Posted to issues@cloudstack.apache.org by "Rajani Karuturi (JIRA)" <ji...@apache.org> on 2017/03/28 08:34:42 UTC

[jira] [Updated] (CLOUDSTACK-8629) Use Ceph RBD storage pool for writing HA heartbeats

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-8629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajani Karuturi updated CLOUDSTACK-8629:
----------------------------------------
    Security:     (was: Public)

> Use Ceph RBD storage pool for writing HA heartbeats
> ---------------------------------------------------
>
>                 Key: CLOUDSTACK-8629
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8629
>             Project: CloudStack
>          Issue Type: Improvement
>          Components: KVM
>            Reporter: Wido den Hollander
>            Assignee: Wido den Hollander
>              Labels: gsoc2017
>             Fix For: Future
>
>
> Just like NFS we should write a heartbeat for each Instance to RADOS.
> Each hosts could write a simple object like: <pool>/<host ip>
> They simply write the timestamp to the object encoded in JSON.
> Other hosts can read that object and see if the host wrote the timestamp lately. If it did it means that it is still up and running and Fencing is not needed or required.



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