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https://issues.apache.org/jira/browse/CLOUDSTACK-8629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15926357#comment-15926357
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Eranga Heshan commented on CLOUDSTACK-8629:
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Hi [~widodh],
I am an undergraduate of Computer Science & Engineering, University of
Moratuwa, Sri Lanka.
I have prior knowledge in working with networked VMs. However, I am new to
Apache Cloudstack. I am interested in this project and would like to know, how
to begin with. Could you please explain a little more about this project and
guide me through it.
Thank you.
> 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
> Security Level: Public(Anyone can view this level - this is the
> default.)
> 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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