Is the info about the old backup set stored anywhere I can get to, or do I have to reconfigure the backup routine from scratch?
The configurations are stored in
$SYNOPKG_PKGDEST/.duplicacy-web. That didn’t change in the DSM7 package. However, Synology may have changed the value of $SYNOPKG_PKGDEST, which now seems to
/Volume1/@appstore/duplicacy instead of
/volume1/homes/admin/. If you can see files in
/volume1/homes/admin/.duplicacy-web then you can just copy them to