[CentOS] migrate ext3 to ext4

Wed Jan 22 16:49:59 UTC 2014
SilverTip257 <silvertip257 at gmail.com>

On Wed, Jan 22, 2014 at 11:40 AM, Jerry Geis <geisj at pagestation.com> wrote:

> Hi all,
>
> I issued the commands on a single disk system:
> with two partitions / is linux sda1 and /home is sda3
> yum -y update
> yum -y install e4fsprogs
>                 reboot
> umount /home
> tune2fs -O extents,uninit_bg,dir_index /dev/sda3
> e2fsck -yfDC0 /dev/sda3
>
> That worked just fine.
> I then had a different system that is software raid.
> where / is linux and md0 and /home is md1
> yum -y update
> yum -y install e4fsprogs
>                 reboot
> umount /home
> tune2fs -O extents,uninit_bg,dir_index /dev/md1
> at this point I get an error that
> invalid options for tune2fs
>

What features are currently turned on on /dev/md1?
Maybe there's a necessary feature that you're missing.

Make sure you have backups or use an expendable VM so you don't trash a
production box. :-|


>
> Why is that and what to do next... The single disk sda3 worked fine.
> shouldnt the md1 work also.
>
> Thanks,
>
> Jerry
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>



-- 
---~~.~~---
Mike
//  SilverTip257  //