Man pages matching name fssync-debug_vgcscanall in section 8:

fssync-debug_vgcscanall.8.en	debian 10 / openafs-fileserver
fssync-debug_vgcscanall.8.en	debian 11 / openafs-fileserver
fssync-debug_vgcscanall.8.en	debian 12 / openafs-fileserver