On 06/10/2011 10:44 AM, Dragon wrote: > "fsck automatically calls fsck.ext4 when it sees an ext4 filesystem. 15.4% Notcontiguous == 15.4 fragmented. No lost data." > -> ok, puh > > Now that you have a good filesystem, mounting it and taking a backup would be a good idea. Or at least retrieve any files that are very important to you. > -> ups > > NO! You must use "mdadm --grow". Yes, "--grow" also does "shrink". Your fsck shows that the ext4 filesystem is still sized for the original 12-disk setup, so you don't have to shrink the filesystem. You do have to shrink the raid: > > ->mount was successfull and i can see all of my data ;) im so happy, but have still no possibility to make a backup Yay! :) and Oooo! :( > Step 1a: Tell mdadm the final size you are aiming for. MD will emulate this while you test that the new size works: > mdadm /dev/md0 --grow --array-size=16116523456k > -> shows > mdadm /dev/md0 --grow --array-size=16116523456k > mdadm: invalid array size: 16116523456k > > might be: 16896000k better? 1500*1024*11 No, it must be "Used Device Size" * 11 = 16116523456. Try it without the 'k'. Phil -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
