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tlug: Ext3


I've been meaning to post this for a while (Ok, at least since the last nomikai), butI've been too busy.a  Since a bunch of people seemed interested in tryng out ext3, here's my quick and dirty guide (<PLUG>The april issue of Linux Japan also has a article on this by yours truely</PLUG>)

Quick and dirty guide to setting up a ext3 partition:

   1.Make a journal file with dd. (eg: dd if=/dev/zero of=/mnt/newfs/journal.dat bs=1024 count=16383) 
   2.Figure out which inode the journal.dat file occupies. (eg: ls -l /mnt/newfs/journal.dat) 
   3.Chmod 400 the journal.dat file to prevent users form accedentally doing something stupid. (eg: chmod 400 /mnt/newfs/journal.dat) 
   4.Remount the partition as a ext3 one. You'll need to tell it which inode the journal.dat file is t the first time only with "-o journal=[inode number]". (eg: mount -t ext3 /dev/hda6/ /mnt/newfs -o journal 12) 
   5.Add a fstab entry for your file system. Please note that you shouldn't have it fsck. 

Oh and by the way the patches can be found at


Austin K. Kurahone
Tokyo Linux Users Group / Green Frog Linux Maintainer
"What is the ape to man?  A laughing-stock, a thing of shame.  And just the
same shall man be to the Superman:  a laughing-stock, a thing of shame."
Next Technical Meeting: March 11 (Sat) 13:00 Temple University Japan
* Topic: "What's new in Perl 5.6"
Guest speaker: Simon Cozens (TLUG Perl guru)
Next Nomikai Meeting: April 20 (Thu) Linux Conference 2000 Spring Ed.
more info:        Sponsor: Global Online Japan

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