What kind of network shares are these? NFS or SMB/CIFS? Did the user that is running Jellyfin all map these network shares? Or were they mapped by another user?
Jellyfin 10.10.7 (Docker)
Ubuntu 24.04.2 LTS w/HWE
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
4x WD Red Pro 6TB CMR in RAIDZ1