Dear,

Japanese KNOPPIX6.2DVD includes "OS Circular" which is a kind of "virtual 
appliance".
    http://www.rcis.aist.go.jp/project/knoppix/knoppix62DVD-en.html
OS Circular offers disk images of Debian and Ubuntu with LBCAS (LoopBack Content
Addressable Storage). It enables us to boot Debian or Ubuntu on KVM or KQEMU 
without installation.
The disk images of Debian and Ubuntu are updated weekly and allow to roll-back 
to previous images.
Please try. :-)

  http://openlab.ring.gr.jp/oscircular/
  Current Transferable OS (weekly updated)
    English Ubuntu 9.10 Karmic    20091109 -
    English Ubuntu 9.04 Jaunty    20090508 - 20091030
    English Ubuntu 8.10 Intrepid  20081107 - 20090501
    English Debian 5.0  Lenny     20081107 -

The deb packages are downloadable from following. You can install on your 
Debian or Ubuntu.
 binary
 
http://www.rcis.aist.go.jp/project/knoppix/download/httpfusevm-scripts_0.1-8_all.deb
 http://www.rcis.aist.go.jp/project/knoppix/download/httpstoraged_1.2-1_i386.deb
 source
 
http://www.rcis.aist.go.jp/project/knoppix/download/httpfusevm-script_0.1-8-src.zip
 http://www.rcis.aist.go.jp/project/knoppix/download/httpstoraged_1.2-1-src.zip

The optimization was presented at Linux Symposium 2009 (Montreal).
 Kuniyasu Suzaki, Kengo Iijima, Toshiki Yagi, Nguyen Anh Quynh, and Yoshihito 
Watanabe 
 "Effect of readahead and file system block reallocation for LBCAS (LoopBack 
Content Addressable Storage)"
 http://www.kernel.org/doc/ols/2009/ols2009-pages-275-286.pdf

# Japanese KNOPPIX6.2DVD is customized by LCAT(Live CD Acceleration Tool kit) 
and makes quick boot.
# The YouTube Video shows it could boot 3 times faster than the original. It 
works for launcher of "virtual appliance".
   http://www.youtube.com/watch?v=WAd_dnY8ltI

------
suzaki

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