On Tue, May 16, 2023 at 07:19:01PM -0400, Hendrik Boom wrote:
>
> I've created a partition devuan-root in a volume group before this.
>
> I then create an ext4 file system in that partition
>
> But I cannot mount it.
>
>
> april:~# mke2fs -n -t ext4 -j -L devuan-root /dev/VG-3T/devuan-root
>From the man page:
-n Causes mke2fs to not actually create a filesystem, but display
what it would do if it were to create a filesystem. This can be
used to determine the location of the backup superblocks for a
particular filesystem, so long as the mke2fs parameters that
were passed when the filesystem was originally created are used
again. (With the -n option added, of course!)
Ralph.
> mke2fs 1.44.5 (15-Dec-2018)
> Creating filesystem with 15728640 4k blocks and 3932160 inodes
> Filesystem UUID: beec99ef-ab48-4460-b19c-d0f6cc43aa33
> Superblock backups stored on blocks:
> 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
> 4096000, 7962624, 11239424
>
> april:~# mount /dev/VG-3T/devuan-root /newroot
> mount: /newroot: wrong fs type, bad option, bad superblock on /dev/mapper/VG--3T-devuan--root, missing codepage or helper program, or other error.
> april:~# ls -al /newroot
> total 8
> drwxr-xr-x 2 root root 4096 May 16 18:59 .
> drwxr-xr-x 63 root root 4096 May 16 18:59 ..
> april:~#
>
> It does not help to specify ext4:
>
> april:~# mount -t ext4 /dev/VG-3T/devuan-root /newroot
> mount: /newroot: wrong fs type, bad option, bad superblock on /dev/mapper/VG--3T-devuan--root, missing codepage or helper program, or other error.
>
> And my system can hande ext4:
>
> pril:~# mount | grep farhome
> /dev/mapper/VG--3T-farhome--3T on /farhome type ext4 (rw,relatime,quota,usrquota)
> april:~#
>
> I have no problem accessing stuff in /farhome:
>
> april:~# ls /farhome
> alice hendrik lovehome parents upgrade-lenny2.time
> aquota.user home2 lovesong-20072002-df-Tl seraviel upgrade-lenny.script
> geoffrey kira mke2fslog shadowstuff upgrade-lenny.time
> gwen lost+found oldtopoi upgrade-lenny2.script 'usr=src=modules=nvidia-kernel'
> april:~#
>
> -- hendrik
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Re: [DNG] cannot mount newly create…
