Hello rdiez, I have done a simple test of this scenario but when I run rdiff-backup --verify I don't see any warning messages. (I believe the SHA1 digests are held in the rdiff-backup-data/mirror_metadata.* files.)
See some postings here <https://lists.gnu.org/archive/html/rdiff-backup-users/2009-11/msg00051.html> and bug report (with proposed fix) here <http://savannah.nongnu.org/bugs/index.php?26848>: similar messages were generated by files with more than one hardlink. (Note to Sol1: even if this is not the cause of OP's problem here, it seems like a good bug to fix...) IMO it would be worth the initial hours to do a 'proper' initial rdiff-backup run and start with a clean repository that verifies without any warnings. Dominic On 18 February 2016 at 09:05, R. Diez <rdiezmail-2...@yahoo.de> wrote: > Hallo Dominic: > > Some time ago I posted this question: > > > https://lists.nongnu.org/archive/html/rdiff-backup-users/2016-01/msg00006.html > > And your answer was: > > > If you do as it suggests and run rdiff-backup with --force option, it > > should complete successfully and convert the destination directory in > an > rdiff-backup repository. > > Like I said, I found what the problem in my script was: > > Ah, now I understand. My script was doing a first sweep with "--force", >> > > but also with "--remove-older-than", which of course will fail in > > this scenario. I wrote the thing some time ago. Thanks for your help. > > However, I have just realised that "--force" is not a "complete" solution, > because it does not actually regenerate the metadata inside the > 'rdiff-backup-data'. I noticed because my script does a verification step > at the end, which then issues the following warnings: > > rdiff-backup --verify --no-acls "dest" > Warning: Cannot find SHA1 digest for file file1.txt, > perhaps because this feature was added in v1.1.1 > Warning: Cannot find SHA1 digest for file file2.txt, > perhaps because this feature was added in v1.1.1 > Every file verified successfully. > > As mentioned, I am taking over a previous rsync backup with a huge number > of files, and there are too many warnings like that. Copying all files > again from an external, very slow USB drive would take many hours. > > Is there a way to regenerate the SHA1 digests for all files in the > destination directory? > > Regards, > rdiez > >
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