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From Jørgen Løland (JIRA) <j...@apache.org>
Subject [jira] Updated: (DERBY-3382) Replication: Slave must inform master if DBs are out of sync.
Date Thu, 07 Feb 2008 13:50:08 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jørgen Løland updated DERBY-3382:
---------------------------------

    Attachment: derby-3382-1a.diff
                derby-3382-1a.stat

Patch v1a adds a check of the log files to the replication initialization so that replication
does not start if the log files are out of synch. The master will be notified whether or not
the log files are synched.

All tests passed, the patch is ready for review.

> Replication: Slave must inform master if DBs are out of sync.
> -------------------------------------------------------------
>
>                 Key: DERBY-3382
>                 URL: https://issues.apache.org/jira/browse/DERBY-3382
>             Project: Derby
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 10.4.0.0
>            Reporter: Øystein Grøvlen
>            Assignee: Jørgen Løland
>             Fix For: 10.4.0.0
>
>         Attachments: derby-3382-1a.diff, derby-3382-1a.stat
>
>
> If I copy the database to the slave before booting the master, slave will be out of sync
with the master since new log records are created during booting.  The slave will then stop
replication, but the master will not be notified.
> If I then try to stop or failover the master the master will hang.

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