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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Wed, 20 Apr 2011 18:43:28 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/sbin/hastd hastd.c primary.c
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pjd         2011-04-20 18:43:28 UTC

  FreeBSD src repository

  Modified files:
    sbin/hastd           hastd.c primary.c 
  Log:
  SVN rev 220898 on 2011-04-20 18:43:28Z by pjd
  
  When we become primary, we connect to the remote and expect it to be in
  secondary role. It is possible that the remote node is primary, but only
  because there was a role change and it didn't finish cleaning up (unmounting
  file systems, etc.). If we detect such situation, wait for the remote node
  to switch the role to secondary before accepting I/Os. If we don't wait for
  it in that case, we will most likely cause split-brain.
  
  MFC after:      1 week
  
  Revision  Changes    Path
  1.49      +7 -0      src/sbin/hastd/hastd.c
  1.71      +49 -13    src/sbin/hastd/primary.c