I have an old, ~1TB ext4 filesystem. Performance sucks (although I don't really think this is ext4's fault). But tune2fs says this: Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 960 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 RAID stride: 32751 Is that 32751 a problem? I'm not entirely sure what the raid controller's stride is, but I doubt that it's 32751 bytes. Thanks, Andy -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html