On Mon, 25 Nov 2002 10:53:25 EST, Derrick 'dman' Hudson writes: >| d) compatibility (is it possible to convert from one FS type to another) > >ext3 is just ext2 with a journal added (in a "hidden" .journal file). >If you have an older kernel without ext3 support you can still mount >the fs as ext2 and ignore without the journal at that point. Then you >can mount it later as ext3 (with a kernel that supports it). Which is especially cool if you created an "old" (as the Debian installer calls it) ext2-fs and later add the journal and thus convert it to ext3. Because that way you can still use 2.0-kernel - based tools like tomsrtbt (<http://www.toms.net/rb/>) for, say, disaster recovery. All my filesystems are "upgraded" ext2 for exactly that reason and I have yet to regret that decision. >AFAIK the other systems are not in any way compatible/interchangeable >with others. Yup. cheers, &rw -- / Ing. Robert Waldner | Security Engineer | CoreTec IT-Security \ \ <rw@coretec.at> | T +43 1 503 72 73 | F +43 1 503 72 73 x99 /
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