On 08/07/17 01:41, Ram Ramesh wrote: > Hi, > > I asked in other linux forums and did not get enough info. So I come > here even though this is not mdadm/RAID issue. > > I replaced 3TB disks in my 6-disk RAID6 with 6TB and now my md0 is 24TB. > I had 32bit version of ext4 on it which can only be grown to 16TB. Any > one had this issue before and any _/inplace/_ good solution to grow ext4 > to full 24TB? It is unlikely that I will be able to back up and recreate > file system. > > My filesystem is on md0 drive so I guess partitioning and making into 2x > 12TB ext4 will not work. I am not even sure if we can partition md like > any other disk. You can partition an array and create partitions in it - caveat I haven't done it, and I've never seen anyone here mention that they've done it - lvm seems to be the more popular version. > > On the web, I only found one solution that required upgrading kernel to > some very recent one (not in my distro) and getting the bleeding edge > resize2fs. This makes me nervous. Is there a solution that avoids this. > resize2fs is bleeding edge? I suspect it's v0.99 quality, ie nobody has the nerve to upgrade it to v1, despite it being rock solid. I know I've used it without trouble. Most of these utilities are pretty solid (unless the underlying filesystem itself is experimental ...) Cheers, Wol -- 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
