I'm trying to copy an archive of user data in a folder from one disk over to another for our new NAS system using

cp -r dev-disk-by-label-MainAllData/ /root/backup/

but am getting many 'Invalid argument' replies from cp for files that have characters like: ' ? - and possibly even just spaces.

Is there a way I can copy over a whole directory tree escaping the names of every file?

I'm on FreeNAS 11.1


I think this post may answer your question.

TL;DR, certain file systems like NTFS and ZFS don't allow certain characters like ? in file names.

ZFS allowed characters

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