Для standard запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:lalala123/standard/home:lalala123.repo
zypper refresh
zypper install openafs-server
Для openSUSE Factory ARM запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:lalala123/openSUSE_Factory_ARM/home:lalala123.repo
zypper refresh
zypper install openafs-server
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:lalala123/15.6/home:lalala123.repo
zypper refresh
zypper install openafs-server