Rocky Linux 8 (though I spot checked 9 as well). n2disk package is missing ndedup:

[16:45:28] [[email protected]:~]$ rpm -qa | grep n2disk
n2disk-3.8.250605-5542.x86_64

[16:45:11] [[email protected]:~]$ dnf repoquery -l n2disk
Last metadata expiration check: 2:23:26 ago on Mon 09 Jun 2025 02:22:02 PM UTC.
/etc/disk2disk
/etc/disk2n
/etc/logrotate.d/disk2disk
/etc/logrotate.d/disk2n
/etc/logrotate.d/n2disk
/etc/n2disk
/etc/pam.d/npcapextract
/usr/bin/disk2disk
/usr/bin/disk2n
/usr/bin/n2disk
/usr/bin/n2disk10g
/usr/bin/n2disk1g
/usr/bin/n2disk5g
/usr/bin/n2disknt
/usr/bin/n2membenchmark
/usr/bin/npcapdecompress
/usr/bin/npcapextract
/usr/bin/npcapindex
/usr/bin/npcapmanage
/usr/bin/npcapmove
/usr/bin/npcapprintindex
/usr/bin/npcaprepair
/usr/bin/ubursts_live
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/[email protected]
/usr/lib/systemd/system/[email protected]
/usr/share/n2disk/ChangeLog
/usr/share/n2disk/EULA.txt