On Fri, Sep 25, 2020 at 08:42:38AM +0300, Juha Erkkilä wrote: > > > On 24. Sep 2020, at 15.36, Otto Moerbeek <o...@drijf.net> 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