Latest Blog
What Causes Video Transcoding to Fail Only for Phone Portrait Clips?
Portrait orientation is usually a trigger rather than the root cause; rotation, VFR, HEVC/HDR, and hardware-filter limits are better discriminators.
Why Does a Photo Library Show Duplicates Only After Enabling an External Library?
External libraries can expose the same photo through two ingestion paths, producing two database assets even when only one physical file exists.
What Causes RAW Photo Thumbnails to Work on the Web but Fail on Mobile?
Web and mobile clients can use different preview assets and decoders, so a healthy browser thumbnail does not prove the mobile derivative path works.
Why Does a Self-Hosted Gallery Split One Live Photo Into Unrelated Assets?
Live Photos split when the still image and motion clip lose the metadata, naming, or import relationship the gallery needs to pair them.
Why Do Jumbo-Frame NAS Transfers Work in One Direction but Stall in the Reverse Direction?
A one-way jumbo-frame diagnosis covering path MTU, asymmetric routing, switch and NIC settings, PMTUD, offload, and bidirectional packet-size testing.
Why Does the Same mDNS Name Resolve to Different Devices Across Home VLANs?
An mDNS VLAN diagnosis covering reflector scope, duplicate names, service advertisements, firewall rules, container interfaces, and cache differences.
Why Does a Home Server Lose One Static Route After a NetworkManager Upgrade?
A NetworkManager route diagnosis covering persistent profiles, duplicate connections, route metrics, policy tables, upgrade behavior, and reboot validation.
Why Does SMB Authentication Fail Only When the NAS Share Is Opened Through a New DNS Alias?
An SMB alias-authentication diagnosis covering CNAMEs, SPNs, Kerberos identity, strict-name validation, Windows security changes, and cached credentials.
