如何在Debian测试下挂载ufs文件系统？

Question

为了在Debian测试中将我的/dev/sda4安装在/mnt/ufs_mount下，我尝试了以下命令(它在Debian下工作得很好)：

modprobe ufs
mount -r -t ufs -o ufstype=ufs2 /dev/sda4 /mnt/ufs_mount

以及：

mount -t ufs -o ufstype=ufs2 /dev/sda4 /mnt/ufs_mount

但我知道这个错误：

mount: /dev/sda4 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sda4,
   missing codepage or helper program, or other error

   In some cases useful info is found in syslog - try
   dmesg | tail or so.

输出：dmesg | tail：

[ 1136.965142] ufs: ufs_fill_super(): bad magic number
[ 1255.758946] ufs: ufs_fill_super(): bad magic number
[ 2098.945757] ufs: ufs was compiled with read-only support, can't be mounted as read-write
[ 2098.946045] ufs: You didn't specify the type of your ufs filesystem

      mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...

      >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
[ 2098.967212] ufs: ufs_fill_super(): bad magic number
[ 2927.982112] perf: interrupt took too long (2504 > 2500), lowering kernel.perf_event_max_sample_rate to 79750

编辑我的sources.list：

deb http://httpredir.debian.org/debian/ stretch main
deb-src http://httpredir.debian.org/debian/ stretch main

deb http://security.debian.org/debian-security stretch/updates main
deb-src http://security.debian.org/debian-security stretch/updates main

和uname -a：

Linux debian 4.6.0-1-amd64 #1 SMP Debian 4.6.4-1 (2016-07-18) x86_64 GNU/Linux

如何在Debian测试下挂载ufs文件系统？

Answer 1

根据linux下安装freebsd片分区，您可能需要在分区中指定一个偏移量。

partx -l应该能够识别文件系统的扇区偏移量，您需要将其乘以512。您可以使用-o offset=$((512*sector_offset))将其作为挂载选项传递-假设您使用的是bash或类似的shell。