P.S. If you're willing to ignore matching mtime, there is a --size-only parameter.
On Sun, May 28, 2023, 9:17 AM Paul Boniol <[email protected]> wrote: > Funny you should mention rsync. That's what I'm using to copy recent files. > > You have to run root (sudo) to so some things (like preserve > user/group/mtime). And in my case, to not get nagged about not being able > to change user/group it needs user map and group map parameters. (Shouldn't > be necessary going to ext4.) > > What I ended up choosing was > sudo rsync -avc --usermap=*:paul --groupmap=*:paul source-dir dest-dir > > Obviously do n for trial run till you're sure. > > The checksum option obviously takes quite a while for it to start, but not > choosing checksum, rsync wanted to copy every file, regardless. I'm > guessing some difference in mtime storage? Idk. The user and group mapping > were the last thing I set so possible it was something with that. > > ---Paul. > > On Sun, May 28, 2023, 7:56 AM Howard White <[email protected]> wrote: > >> I have struggled with a similar problem. I have directories of mp3 >> files in two places: ntfs and ext4. With the demise of iROCK109, I need >> to resolve all of the ntfs files as the master copied to the ext4 (on my >> NAS) which I share in the house. rsync is messing with me over >> permissions. >> >> Howard >> >> On 5/28/23 03:21, Paul Boniol wrote: >> > Way back, I should have paid more attention... but I have like 3 TB of >> > video recordings backed up to an external (exfat) hard drive (should >> > have reformatted as ext4 first but I didn't think about it first). >> > >> > Now I'm preparing to do a fresh Linux install. And I'm wanting to >> > somehow backup the user/group/permissions for the directories and files. >> > >> > I can look and write them down as most would be the same. Just >> wondering >> > if there's some better way. >> > >> > ---Paul. >> > >> > -- >> > -- >> >> -- -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en --- You received this message because you are subscribed to the Google Groups "NLUG" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/nlug-talk/CAL9PgS1x3tG5%3DwBYi0%2BAg88mVXVX3q9pzb-Czyqw0SATBxU7gQ%40mail.gmail.com.
