James McKenzie <jjmckenzie51 <at> gmail.com> writes:
>
> On Thu, Mar 17, 2011 at 1:41 AM, xinyou yan <yxy.716 <at> gmail.com> wrote:
> > I have a freebsd system.
> > In my computer /dev/sda10 is a freebsd slice.
> >
> > I use mount -t ufs /dev/sda10 /tmp
> > It fail.
> >
> > mount: wrong fs type, bad option, bad superblock on /dev/sda10,
> > missing codepage or helper program, or other error
> > In some cases useful info is found in syslog - try
> > dmesg | tail or so
> >
> > How can i mount it?
>
> Are you trying to mount this in Fedora?
>
> You can try the suggestions JB gave, but FreeBSD might not be using
> the Unix File System.
>
> James McKenzie
What is actually happening here ?
I have FreeBSD on /dev/sda2.
I do these entries from Fedora 14.
# cfdisk
Disk Drive: /dev/sda
...
Name Flags Part Type FS Type [Label] Size (MB)
------------------------------------------------------------------------------
sda1 Primary ntfs 41943.13
sda2 Boot Primary ufs 15002.92
sda3 Primary ext4 15002.92
sda5 Logical swap 3003.68
sda6 Logical ext3 [backup] 5999.62
sda7 Logical ext4 [Fedora] 15002.92
# cat /proc/filesystems |grep -i ufs
ufs
# lsmod |grep -i ufs
ufs 56786 0
# mount -t auto /dev/sda2 /media/
mount: wrong fs type, bad option, bad superblock on /dev/sda2,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
# dmesg |tail
...
[170746.287197] ufs_read_super: bad magic number
[170949.612767] ufs_read_super: bad magic number
[170974.503724] ufs_read_super: bad magic number
[171012.600483] ufs was compiled with read-only support, can't be mounted as
read-write
[171043.129655] ufs was compiled with read-only support, can't be mounted as
read-write
[171872.818069] ufs was compiled with read-only support, can't be mounted as
read-write
# man mount
...
-t, --types vfstype
The argument following the -t is used to indicate the filesystem
type. The filesystem types which are currently supported
include: ...
..., ufs, ...
...
Mount options for ufs
ufstype=value
UFS is a filesystem widely used in different operating systems.
The problem are differences among implementations. Features of
some implementations are undocumented, so its hard to recognize
the type of ufs automatically. That's why the user must specify
the type of ufs by mount option. Possible values are:
old Old format of ufs, this is the default, read only.
(Don't forget to give the -r option.)
44bsd For filesystems created by a BSD-like system
(NetBSD,FreeBSD,OpenBSD).
...
# mount -t ufs -o ro,ufstype=44bsd /dev/sda2 /media/
mount: wrong fs type, bad option, bad superblock on /dev/sda2,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
# mount -v -t auto /dev/sda2 /media/
mount: you didn't specify a filesystem type for /dev/sda2
I will try type ufs
mount: wrong fs type, bad option, bad superblock on /dev/sda2,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
# mount -vf -t auto /dev/sda2 /media/
/dev/sda2 on /media type auto (rw)
# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda7 14420896 7413796 5541976 58% /
tmpfs 1025992 448 1025544 1% /dev/shm
/dev/sda2 14420896 7413796 5541976 58% /media <========
[root@localhost jb]# mount
...
/dev/sda2 on /media type auto (rw) <========
# cat /proc/mounts
...
<====== ???
# ls -al /media
total 8
drwxr-xr-x. 2 root root 4096 Mar 17 15:54 .
dr-xr-xr-x. 23 root root 4096 Mar 14 14:01 ..
-rw-r--r-- 1 root root 0 Mar 14 14:01 .hal-mtab
JB
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