Question

8

Error trying to mount FreeBSD/UFS partition from FreeNAS

rated 0 times [ 8] [ 0] / answers: 1 / hits: 21341 / 2 Years ago, sun, august 7, 2022, 8:28:14

I get this strange error trying to mount UFS partition.

   sudo mount -r -t ufs -o ufstype=ufs2 /dev/sdb2 /home/tim/ufs_mount

   mount: wrong fs type, bad option, bad superblock on /dev/sdb2,

          missing codepage or helper program, or other error

          In some cases useful info is found in syslog - try

          dmesg | tail  or so

I'm a Ubuntu newbie and just switched from FreeNAS.

tim@T3:~$ sudo fdisk -l



Disk /dev/sda: 400.1 GB, 400088457216 bytes

255 heads, 63 sectors/track, 48641 cylinders, total 781422768 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x000a77a6



   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *        2048   765700095   382849024   83  Linux

/dev/sda2       765702142   781422591     7860225    5  Extended

/dev/sda5       765702144   781422591     7860224   82  Linux swap / Solaris



Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes

255 heads, 63 sectors/track, 182401 cylinders, total 2930277168 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x90909090



   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1   *          63      240974      120456   a5  FreeBSD

/dev/sdb2          240975  2928601304  1464180165   a5  FreeBSD

/dev/sdb3      2928601305  2930272064      835380   a5  FreeBSD

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answered 2 Years ago atelti · Accepted Answer

You need to get the bsd partition, that fdisk -l cant show you.

First:

$ dmesg|grep bsd



[    3.467958]  sde1: <bsd:bad subpartition - ignored

[    3.467959]  sde2: <bsd: sde5 >

Look after a partion, in this case sde5 seemed to be the one fore me.

Then:

$ sudo mount -t ufs -r -o ufstype=ufs2 /dev/sde5 ~/freebsd

The forum answer that got me on the right track