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Re: Changing root journal data mode



On Wed, Sep 05, 2001 at 07:38:29PM -0600, Curtis Hogg wrote:
> Could you also just use tune2fs to change the journal type? I haven't
> looked much at the docs for it but perhaps you could, since you use that
> to actually make your fs ext3...
> 

>From what Andreas Dilger said, it looks like that information is not in the
super block at this time.

Also if IIRC, tune2fs is only safe with the -j and -J options while mounted
because it just creates a file, and doesn't modify the super blocks.  All
other (still true?) options for tune2fs have to be used on an unmounted FS.





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