All, After reading this:
http://ext4.wiki.kernel.org/index.php/Ext4_Howto#Converting_an_ext3_filesystem_to_ext4 do you have any experience with mounting your ext3 filesystems using the ext4 module? Is the performance improvement noticeable? And how about using the extra options: # tune2fs -O extents,uninit_bg,dir_index /dev/*DEV *? How stable do you think that the ext4 module actually is? (using recent kernels, e.g. 2.6.29) Thanks, Martin