Reading the many discussions/forums etc. concerning ext4, I believe one of the MAIN reasons that folk are looking to get a defrag tool running is to 'refresh' files on their disk having moved from ext3 to ext4, rather than worrying about the (minimal) benefits of a defrag itself. Indeed, that is why I came across this thread because I upgraded from Ubuntu 8.10 to 9.04, switched to ext4 and then wanted to refresh all of my files to the new format - apparently the most effective way to do this is using a defrag tool.
Maybe if there was an alternate (and 'safe/easy') way to refresh all files on the disk to ext4 most folk would be happy and maybe wait for 9.10KK to get a completely stable defrag installation?
Just a quick comment if I may...
Reading the many discussions/forums etc. concerning ext4, I believe one of the MAIN reasons that folk are looking to get a defrag tool running is to 'refresh' files on their disk having moved from ext3 to ext4, rather than worrying about the (minimal) benefits of a defrag itself. Indeed, that is why I came across this thread because I upgraded from Ubuntu 8.10 to 9.04, switched to ext4 and then wanted to refresh all of my files to the new format - apparently the most effective way to do this is using a defrag tool.
Maybe if there was an alternate (and 'safe/easy') way to refresh all files on the disk to ext4 most folk would be happy and maybe wait for 9.10KK to get a completely stable defrag installation?