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https://issues.apache.org/jira/browse/HDDS-13208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HDDS-13208:
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Description:
https://ozone.apache.org/docs/edge/concept/datanodes.html
I tried to find any reference to volumes in an Ozone Datanode, but couldn't
find any.
We should
(1) explain what a volume is for a DataNode, do not confuse it with namespace
volumes in Ozone Manager. That a volume stores many containers.
(2) I wanted to also add descriptions for volume choosing policy.
(3) Configuration properties related to volumes.
(3) Add a disk balancer description -- while volume choosing policy is useful,
cluster operations can result in imbalanced disks. Ozone community is
developing a new feature 'disk balancer' that aims to balance disks of
Datanodes. The feature is under development of HDDS-5713, and is coming soon.
was:
https://ozone.apache.org/docs/edge/concept/datanodes.html
I tried to find any reference to volumes in an Ozone Datanode, but couldn't
find any.
We should
(1) explain what a volume is for a DataNode, do not confuse it with namespace
volumes in Ozone Manager. That a volume stores many containers.
(2) I wanted to also add descriptions for volume choosing policy.
(3) Configuration properties related to volumes.
(3) Add a disk balancer description.
> [Docs] Add volume management section under Architecture/Datanodes
> -----------------------------------------------------------------
>
> Key: HDDS-13208
> URL: https://issues.apache.org/jira/browse/HDDS-13208
> Project: Apache Ozone
> Issue Type: Task
> Components: documentation
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
> Priority: Major
>
> https://ozone.apache.org/docs/edge/concept/datanodes.html
> I tried to find any reference to volumes in an Ozone Datanode, but couldn't
> find any.
> We should
> (1) explain what a volume is for a DataNode, do not confuse it with namespace
> volumes in Ozone Manager. That a volume stores many containers.
> (2) I wanted to also add descriptions for volume choosing policy.
> (3) Configuration properties related to volumes.
> (3) Add a disk balancer description -- while volume choosing policy is
> useful, cluster operations can result in imbalanced disks. Ozone community is
> developing a new feature 'disk balancer' that aims to balance disks of
> Datanodes. The feature is under development of HDDS-5713, and is coming soon.
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