On Fri, Sep 25, 2020 at 08:42:38AM +0300, Juha Erkkilä wrote:
>
> > On 24. Sep 2020, at 15.36, Otto Moerbeek <[email protected]> wrote:
> >
> > On Tue, Sep 22, 2020 at 08:37:22PM +0300, Juha Erkkilä wrote:
> >> Actually, I tested this again and now it appears
> >> dump and restore both work correctly. Previously,
> >> I first tested dump/restore with an empty filesystem,
> >> then with some files, and it may be that the second
> >> time I was accidentally testing restore with the first
> >> dump file.
> >>
> >> My tests were only with a small amount of files,
> >> I will do a better test with proper data (about
> >> 0.5 terabytes and over 100000 files) and will
> >> report again here in a next few days.
> >
> > Lookin through FreeBSD commits I think you want the main.c one as
> > well, otherwise silent corruption of the dump is still possible.
> >
> > -Otto
>
> With that patch I get a message:
>
> fatal: morestack on g0
> DUMP: fs is too large for dump!
> DUMP: The ENTIRE dump is aborted.
>
> This is on a 2 terabyte filesystem with 0.5 terabytes
> of data “successfully” backed up (or at least I considered
> the backup and restore as successful).
Hmm, I neeed to dig into the dump format and see if the math is right.
-Otto
