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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-6063) HA Node role UNKNOWN means both not-reachable and awaiting election
Date Thu, 04 Sep 2014 14:29:52 GMT

    [ https://issues.apache.org/jira/browse/QPID-6063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14121412#comment-14121412
] 

ASF subversion and git services commented on QPID-6063:
-------------------------------------------------------

Commit 1622488 from [~k-wall] in branch 'qpid/trunk'
[ https://svn.apache.org/r1622488 ]

QPID-6063: [Java Broker]  BDB HA - report node role correctly after node restart in group
without quorum or node error

* if a node is restarted but there are too few nodes attached to achieve quorum, the role
is now reported as WAITING (previously it was erroneously reported as DETACHED)
* if a node goes into error state (for example in response to an intruder), the role is now
reported as DETACHED (previously it continued to report its previous role)

> HA Node role UNKNOWN means both not-reachable and awaiting election
> -------------------------------------------------------------------
>
>                 Key: QPID-6063
>                 URL: https://issues.apache.org/jira/browse/QPID-6063
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Java Broker
>            Reporter: Keith Wall
>            Assignee: Alex Rudyy
>             Fix For: 0.31
>
>
> Node role "UNKNOWN" is currently used to represent two distinct situations:
> * A remote node that is not reachable from this node
> * The local node is awaiting the result of an election, or awaiting sufficient nodes
to contact the group in order for an election to be held.
> It is important that the user can distinguish between these two situations in order to
have a complete understanding of the behaviour of the group.
> Role UNKNOWN will be replaced by UNREACHABLE and WAITING to represent the two distinct
situations.



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