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https://issues.apache.org/jira/browse/HDDS-8402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17710421#comment-17710421
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Sadanand Shenoy commented on HDDS-8402:
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[~mohanad] If you already had some data/ containers in the cluster and later
applied this config, it will not stop these old containers from getting
written, The config currently works for only new container allocation i.e when
containers are created it will look for volumes to write these containers and
if these volumes have crossed the reserved space it wont select the volume but
the problem still exists for old containers that were created before
introducing this config. I am working on a solution for this case in HDDS-8254
> hdds.datanode.dir.du.reserved is not respected
> ----------------------------------------------
>
> Key: HDDS-8402
> URL: https://issues.apache.org/jira/browse/HDDS-8402
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Mohanad Elsafty
> Priority: Major
>
> hdds.datanode.dir.du.reserved is not being respected by some of the datanodes
> in my cluster.
> Actually I have this patch in my codebase
> https://issues.apache.org/jira/browse/HDDS-6577 still not being respected.
>
> {code:java}
> <property>
> <name>hdds.datanode.dir</name>
> <value>/mnt/disk/0/ozone,/mnt/disk/1/ozone,/mnt/disk/2/ozone,/mnt/disk/3/ozone,/mnt/disk/4/ozone,/mnt/disk/5/ozone,/mnt/disk/6/ozone,/mnt/disk/7/ozone,/mnt/disk/8/ozone,/mnt/disk/9/ozone,/mnt/disk/10/ozone</value>
> </property>
> <property>
> <name>hdds.datanode.dir.du.reserved</name>
> <value>/mnt/disk/0/ozone:50GB,/mnt/disk/1/ozone:50GB,/mnt/disk/2/ozone:50GB,/mnt/disk/3/ozone:50GB,/mnt/disk/4/ozone:50GB,/mnt/disk/5/ozone:50GB,/mnt/disk/6/ozone:50GB,/mnt/disk/7/ozone:50GB,/mnt/disk/8/ozone:50GB,/mnt/disk/9/ozone:50GB,/mnt/disk/10/ozone:50GB
> </value>
> </property> {code}
> {code:java}
> $ df -h
> /dev/sdi 7.3T 6.9T 35G 100% /mnt/disk/7
> {code}
>
> I have several similar cases to this one. Could it be due to the open
> databses that need extra space on the disk?
>
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