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https://issues.apache.org/jira/browse/HDDS-156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512946#comment-16512946
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Hanisha Koneru commented on HDDS-156:
-------------------------------------
The shadedclient error is unrelated. Committed to branch HDDS-48.
Thank you [~bharatviswa] and [~anu] for the reviews.
> Implement HDDSVolume to manage volume state
> -------------------------------------------
>
> Key: HDDS-156
> URL: https://issues.apache.org/jira/browse/HDDS-156
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Priority: Major
> Fix For: 0.2.1
>
> Attachments: HDDS-156-HDDS-48.001.patch, HDDS-156-HDDS-48.002.patch,
> HDDS-156-HDDS-48.003.patch, HDDS-156-HDDS-48.004.patch,
> HDDS-156-HDDS-48.005.patch, HDDS-156-HDDS-48.006.patch
>
>
> This Jira proposes the following:
> # Implement HDDSVolume to encompass VolumeInfo along with other HDDS
> specific fields.
> ** VolumeInfo container disk specific information such as capacity, usage,
> storageType. HddsVolume has hdds specific fields for volume such as
> VolumeState, VolumeStats (will be added later).
> # Write volume level Version file
> ** clusterID, storageID, datanodeUUID, creationTime and layoutVersion.
> # Read Version file while instantiating HDDSVolumes.
> ** When the volume Version file already exists (for example, when a DN is
> restarted), then the version file is read for the stored clusterID,
> datanodeUuid, lahyoutVersion etc. Some checks will be performed to verify the
> sanity of the volume.
> ** When a fresh Datanode is started, the Version file is not written to the
> volume uptill the clusterID is received from the SCM.
>
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