[Bug-tar] unmodified files included in incremental tar if link count was changed

2018-07-14 Thread Peter Koch
Dear Joerg: Thank's for the quick response. In the meantime I have tried star which I had not used before. Wonderful programm but its decision on which files will be included into an incremental backup seems to be based on the same algorithm that gtar is using - i.e. mtime-/ctime > date of last ba

Re: [Bug-tar] unmodified files included in incremental tar if link count was changed

2018-07-14 Thread Paul Eggert
On 07/14/2018 01:00 PM, Peter Koch wrote: > What if I change the kernel and prevent ctime-changes if only > st_nlink was changed? > > Would that have any unexpected side-effects? Well, you'd violate POSIX, and there are (admittedly unusual) cases where incremental dumps would silently lose data. B