OpenAFS Master Repository branch, master, updated. openafs-devel-1_5_76-3187-g4d4668b

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit 4d4668b1618a2bd5b94ed4620464787f42d11cab
Author: Andrew Deason <adeason@sinenomine.net>
Date:   Tue Nov 20 14:18:47 2012 -0600

    ubik: Try to detect VOTE_Beacon errors
    
    Currently the way ubik dbsites vote for each other is via the "return
    value" of the Beacon VOTE RPC. Since this is really an Rx abort, this
    can easily collide with actual errors on the wire, such as rxkad
    errors.
    
    Try to detect these by detecting vote times that are very different
    than the current timestamp (more than an hour in the future or past),
    and treat it like a network error.
    
    If we do not do this, a single site reporting an error can cause us to
    never reach quorum, since we calculate our sync site expiration based
    on the oldest 'yes' vote, which for most known Rx aborts will be far
    in the past.
    
    Change-Id: I28cf4c520bbbe9e98eb55947476c8785d3c8ec0b
    Reviewed-on: http://gerrit.openafs.org/8486
    Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
    Tested-by: BuildBot <buildbot@rampaginggeek.com>
    Reviewed-by: Derrick Brashear <shadow@your-file-system.com>

 src/ubik/beacon.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

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