Public bug reported:
This is probably a bit of a daft one, and it's not blocking me on
anything, but I see this more as a UX bug.
mkfs.ext4dev creates a file system that mount then can't mount, unless
it is told explicitly that it is ext4.
(on a side note, what is ext4dev? Can't seem to find a solid answer)
$ sudo mkfs.ext4dev /dev/sdb
mke2fs 1.42.13 (17-May-2015)
/dev/sdb contains a ext4 file system
last mounted on Fri Nov 24 22:40:41 2017
Proceed anyway? (y,n) y
Creating filesystem with 268435456 4k blocks and 67108864 inodes
Filesystem UUID: d5dcc961-f34e-4f59-b0f5-f58ea75dc817
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
$ sudo mount /dev/sdb mount
mount: unknown filesystem type 'ext4dev'
$ sudo mount -t ext4 mount
$
/dev/sdb on /home/ubuntu/mount type ext4 (rw,relatime,data=ordered)
doing a normal mkfs.ext4 works perfectly fine, as you'd expect.
Version: Ubuntu 16.04
Package: e2fsprogs 1.42.13-1ubuntu1
** Affects: e2fsprogs (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1734395
Title:
mkfs.ext4dev unrecognised file system
Status in e2fsprogs package in Ubuntu:
New
Bug description:
This is probably a bit of a daft one, and it's not blocking me on
anything, but I see this more as a UX bug.
mkfs.ext4dev creates a file system that mount then can't mount, unless
it is told explicitly that it is ext4.
(on a side note, what is ext4dev? Can't seem to find a solid answer)
$ sudo mkfs.ext4dev /dev/sdb
mke2fs 1.42.13 (17-May-2015)
/dev/sdb contains a ext4 file system
last mounted on Fri Nov 24 22:40:41 2017
Proceed anyway? (y,n) y
Creating filesystem with 268435456 4k blocks and 67108864 inodes
Filesystem UUID: d5dcc961-f34e-4f59-b0f5-f58ea75dc817
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632,
2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
$ sudo mount /dev/sdb mount
mount: unknown filesystem type 'ext4dev'
$ sudo mount -t ext4 mount
$
/dev/sdb on /home/ubuntu/mount type ext4 (rw,relatime,data=ordered)
doing a normal mkfs.ext4 works perfectly fine, as you'd expect.
Version: Ubuntu 16.04
Package: e2fsprogs 1.42.13-1ubuntu1
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https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1734395/+subscriptions
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