On Sun, May 3, 2009 at 1:53 AM, Paul Hartman <[email protected]> wrote:
> I have my ext3 mounted using ext4 driver, but I don't notice anything > better or worse. The on-disk structures are the same, obviously, so > any improvement would be the difference between how ext4 driver > handles the ext3 data in a different way (dealloc and mballoc, as that > wiki page says). > > To really gain any improvement you'd need to use the new on-disk > format, which the tune2fs stuff will do for any NEW files, but all > existing files will still be old. You'd probably be better off making > a backup, formatting as ext4, then restoring backup. > > However, with that being said, I used a freshly-formatted ext4 in my > laptop and still don't notice any difference compared to when it had > ext3. > Thank you all for your thoughts/experiences. I concluded that I just shouldn't use the ext4 driver or convert my filesystem. I just re-installed my notebook with Ubuntu 9.04 and choose ext4. Don't really measure a difference, but I rarely use that machine. BTW, my apologies for the HTML posting! Martin
