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https://issues.apache.org/jira/browse/CLOUDSTACK-5679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Damodar Reddy T resolved CLOUDSTACK-5679.
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Resolution: Cannot Reproduce
When we are adding a rule to the iptables to block the connection it is not
dropping connections which are already established and new connections are
rejected to that DB node..
Kiran: I am not sure how to add a rule to drop even established connections as
well, so I tested by stopping the db node and able to see exceptions in logs of
2nd MS node..
> No Error message is shown when the Connection from the MS is lost Db server
> in case of multiple MS and DB HA enabled.
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-5679
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5679
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.3.0
> Reporter: Kiran Koneti
> Assignee: Damodar Reddy T
> Priority: Critical
> Fix For: 4.3.0
>
>
> Setup and issue details:
> 1)Created a CS setup with multiple MS say MS1 and MS2 with DBHA enabled.
> 2)Created a DB replication has 2 db servers say DB1 and DB2.
> 3)Initially the setup was in such a way that both MS1 and MS2 are talking to
> the DB1 and DB2 was acting as a slave.
> 4)Then Blocked the communication from the MS2 to DB1 using the IPtables.
> 5)When the connection is blocked from the MS2 to DB1 there is no error
> message shown in the logs and it simply switches to the DB2 .
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