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https://issues.apache.org/jira/browse/HDFS-13022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elek, Marton updated HDFS-13022:
--------------------------------
Description:
{color:#FF0000}{color}
With HDFS-13017 and HDFS-13018 the cblock/jscsi server could be used in a
kubernetes cluster as the backend for iscsi persistent volumes.
Unfortunatelly we need to create all the required cblocks manually with 'hdfs
cblok -c user volume...' for all the Persistent Volumes.
But it could be handled with a simple optional component. An additional service
could listen on the kubernetes event stream. In case of new
PersistentVolumeClaim (where the storageClassName is cblock) the cblock server
could create cblock in advance AND create the persistent volume could be
created.
The code is very simple, and this additional component could be optional in the
cblock server.
> Block Storage: Kubernetes dynamic persistent volume provisioner
> ---------------------------------------------------------------
>
> Key: HDFS-13022
> URL: https://issues.apache.org/jira/browse/HDFS-13022
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: HDFS-7240
> Affects Versions: HDFS-7240
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Major
>
> {color:#FF0000}{color}
> With HDFS-13017 and HDFS-13018 the cblock/jscsi server could be used in a
> kubernetes cluster as the backend for iscsi persistent volumes.
> Unfortunatelly we need to create all the required cblocks manually with 'hdfs
> cblok -c user volume...' for all the Persistent Volumes.
>
> But it could be handled with a simple optional component. An additional
> service could listen on the kubernetes event stream. In case of new
> PersistentVolumeClaim (where the storageClassName is cblock) the cblock
> server could create cblock in advance AND create the persistent volume could
> be created.
>
> The code is very simple, and this additional component could be optional in
> the cblock server.
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