Elek, Marton updated HDFS-13022:
    Attachment: HDFS-13022-HDFS-7240.005.patch

> 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
>         Attachments: HDFS-13022-HDFS-7240.001.patch, 
> HDFS-13022-HDFS-7240.002.patch, HDFS-13022-HDFS-7240.003.patch, 
> HDFS-13022-HDFS-7240.004.patch, HDFS-13022-HDFS-7240.005.patch
> {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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