Backup error: cp: preserving times for '/job_001/./.AppleDB'

[NorSound]

During my backups from Ultra 6 Plus (using Frontview backup) to a WD Live Book Duo 6TB I 'always' get the following error(s):

Error encountered copying data from source path /c/.timemachine ==> //192.168.1.55/TimeMachine_NAS due to permission denial on one or more files.
cp: preserving times for '/job_001/./.AppleDB': Permission denied


Not only when copying the Time Machine backup, but others also:

Error encountered copying data from source path /backup/ ==> //192.168.1.55/backup_NAS due to permission denial on one or more files.
cp: preserving times for '/job_008/./.AppleDB/cnid2.db': Permission denied
cp: preserving times for '/job_008/./.AppleDB': Permission denied


Any known solutions to these problems?

Thanks,
Regards

[arjoseph1]

Try to format the USB HDD to EXT3 using NAS frontview and try to use archive bit instead of windows timestamp.

[NorSound]

Thanks arjoseph, but I'm not using the WD Live Book Duo as a USB disk. It's on my local network.
It functions as a second backup of my ReadyNas Ultra backup

I do still experience the same problems:
Error encountered copying data from source path /backup/ ==> //192.168.1.55/backup_NAS due to permission denial on one or more files.
cp: preserving times for '/job_008/./.AppleDB': Permission denied

This means that my backups are all completed, but with errors - and I have to manually check to see what the error is about..

[de_niro]

Looks like there is something wrong to access Apple.DB hidden folder in /c/.timemachine,this folder is dedicate to creating files index of AFP shares,
you can try something below in SSH access
--delete Apple.DB folder

cd /c/.timemachine;rm -rf Apple.DB

--reboot device
--you will see a new Apple.DB folder created by Netatalk protocol
You can also try Rsync backup to instead of CIFS backup