blog/data/2010-05-14-parallel-boot.txt

   1 Title: Parallellized boot is now the default in Debian/unstable
   2 Tags: english, debian, debian edu, bootsystem
   3 Date: 2010-05-14 22:40
   4
   5 <p>Since this evening, parallel booting is the default in
   6 Debian/unstable for machines using dependency based boot sequencing.
   7 Apparently the testing of concurrent booting has been wider than
   8 expected, if I am to believe the
   9 <a href="http://lists.debian.org/debian-devel/2010/05/msg00122.html">input
  10 on debian-devel@</a>, and I concluded a few days ago to move forward
  11 with the feature this weekend, to give us some time to detect any
  12 remaining problems before Squeeze is frozen.  If serious problems are
  13 detected, it is simple to change the default back to sequential boot.
  14 The upload of the new sysvinit package also activate a new upstream
  15 version.</p>
  16
  17 More information about
  18 <a href="http://wiki.debian.org/LSBInitScripts/DependencyBasedBoot">dependency
  19 based boot sequencing</a> is available from the Debian wiki.  It is
  20 currently possible to disable parallel booting when one run into
  21 problems caused by it, by adding this line to /etc/default/rcS:</p>
  22
  23 <blockquote><pre>
  24 CONCURRENCY=none
  25 </pre></blockquote>
  26
  27 <p>If you report any problems with dependencies in init.d scripts to
  28 the BTS, please usertag the report to get it to show up at
  29 <a href="http://bugs.debian.org/cgi-bin/pkgreport.cgi?users=initscripts-ng-devel@lists.alioth.debian.org">the
  30 list of usertagged bugs related to this</a>.</p>