<div class="gmail_quote">On Fri, Jul 31, 2009 at 9:07 AM, Dave Bauer <<a href="mailto:dave@solutiongrove.com">dave@solutiongrove.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> I created a SoaS with livecd-iso-to-disk.sh which has 1) overlay for squahsfs operation system changes 2) home.img for /home. I started it up and tried to corrupt it by unplugging during shutdown. I was able to break all activities by corrupting the datastore. Here is an example log from the Log activity startup <a href="http://pastebin.com/m810ce7e" target="_blank">http://pastebin.com/m810ce7e</a> I was also unable to remove the datastore files due to ext3fs errors when I tried rm -rf ~/.sugar/default/datastore Some discussion on irc of possible solutions or at least improvements: 12:01 < tomeu> daveb: there are some fs params that may reduce this risk 12:04 < silbe> daveb: i recommend data=journal on every ext3 filesystem carrying data, even though it's significantly slower Dave -- Dave Bauer <a href="mailto:dave@solutiongrove.com">dave@solutiongrove.com</a> <a href="http://www.solutiongrove.com" target="_blank">http://www.solutiongrove.com</a> _______________________________________________ Sugar-devel mailing list <a href="mailto:Sugar-devel@lists.sugarlabs.org">Sugar-devel@lists.sugarlabs.org</a> <a href="http://lists.sugarlabs.org/listinfo/sugar-devel" target="_blank">http://lists.sugarlabs.org/listinfo/sugar-devel</a> </blockquote></div> Is it possible to unmount /home after the writing is done and it sits idle for x seconds? I vaguely remember LTSP doing something like this for USB stick in that environment. David Van Assche might know... Here's something more <a href="http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspFSAutomount">http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspFSAutomount</a> cheers, Sameer -- Dr. Sameer Verma, Ph.D. Associate Professor of Information Systems San Francisco State University San Francisco CA 94132 USA <a href="http://verma.sfsu.edu/">http://verma.sfsu.edu/</a> <a href="http://opensource.sfsu.edu/">http://opensource.sfsu.edu/</a>