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https://issues.apache.org/jira/browse/GEODE-6719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16834019#comment-16834019
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ASF subversion and git services commented on GEODE-6719:
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Commit 117a27d2c6ff134c3ca0a8c18d0e1312e810a44f in geode's branch
refs/heads/develop from Nabarun Nag
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=117a27d ]
GEODE-6719 : Handling default disktore request from AppServers (#3516)
* If the existing region was using the DEFAULT diskstore but it was not
explicitly linked to the
* region using setDiskStore or disk-store-name tags. diskStoreName is set as
null. This is
* interpreted by Geode as use the DEFAULT diskstore.
* This link between the existing region and a diskstore may happen because
the diskstore is
* named as DEFAULT.
* The user may change the default location of the DEFAULT diskstore but the
AppServer always
* requests it be at the default location.
* This comparison with always used to fail and the AppServer could not start
up.
* The goal of this method is that if both existing region and requested
region are using the
* DEFAULT diskstore, the existing regions take precedence and the requested
ones are ignored.
* This is current behavior which can be seen in
* {@link RegionAttributesCreation#sameAs(RegionAttributes)}
* The logic is to intercept the configurations for the regions and only if
the both the regions
* have diskStoreName set to null, meaning both should use the DEFAULT
diskstore, the diskstore
* names are sent as DEFAULT in the configuration and send to geode-core for
comparison for rest
* of the region attributes.
> App servers using custom DEFAULT diskstores should be able to restart
> ---------------------------------------------------------------------
>
> Key: GEODE-6719
> URL: https://issues.apache.org/jira/browse/GEODE-6719
> Project: Geode
> Issue Type: Bug
> Components: http session
> Reporter: nabarun
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Issue:
> # Start servers with DEFAULT diskstores with custom directory location other
> than '.' and do not set the diskstore in the region attributes tag in the
> cache xml. Since it is named DEFAULT, it should automatically link itself to
> the region.
> # Start the app server
> # Stop the app server
> # Start the app server.
> # This causes a failure as app server requests it create the default
> diskstore at . but the default diskstore was already created at the custom
> location.
> Solution:
> * If the existing region and the requested region both use the default disk
> store then the existing diskstore properties with take precedence over the
> requested ones.
> * The requested disktore properties will be ignored if there is a default
> diskstore already present.
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