On Fri, 22 Jun 2001, Nikita Danilov wrote:
> Vasil Kolev writes:
> > Maybe this is a know issue, but nonetheless.....
> > I have dual coppermine/930 machine with 1.2G ram, kernel 2.4.5. I used
> > reiserfs for my /home and /var partitions. When tried downgrading to
> > 2.2.19, I got errors in syslog like 'can't find superblock' ... ( I don't
> > have them, /var wasn't mounted, and i had to return the machine in
> > production state... ). Does someone has any idea about this, how could I
> > downgrade to 2.2.19 ?
>
> 2.4 kernels can work with both 3.5 reiserfs disk format (old) and 3.6
> (new). 2.2 kernels---only with 3.5. Probably, you have created your
> file-systems in the new format.
>
> You can boot 2.4 kernel, create new file-system large enough with
> /sbin/mkreiserfs -v1 (old format), copy existing files there by tar or
> cpio and then update /etc/fstab to mount file-system just created. Now,
> you can work both with 2.2 and 2.4 kernels.
>
> Keep in mind, that 3.5 format has some limitations concerning file size
> etc. Check faq at namesys.com for details. On the other hand, 3.5 often
> considered more stable.
>
> Nikita.
>
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