5.2.1 fs in 4.10

Bill Moran wmoran at potentialtech.com
Thu Sep 9 07:59:12 PDT 2004

mikko <mikko at medusa.tutka.fi> wrote:
> Hello,
> I had 5.2 installed before, and have all my data on a 5.2 -made
> disk (separate from the system disk). After that I decided to use
> 4.10 for the system. Now I cannot mount the data diskslice, I get
> "incorrect superblock". Is it possible to use 5.x made disks in 4,
> or am I just simply screwed?

5.x use UFS2 filesystems by default.  To my knowledge, 4.x does not
have any way to access these.  You'll have to reinstlal 5.X to get
at your data.

When installing 5.X, you can use the options in the disk partitioning
section to choose UFS1 filesystems, which can be used by 4.X ... and
even Linux, I believe.

Bill Moran
Potential Technologies

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