# Modernizing local storage management for systemd services (asg2026)

https://cdn.media.ccc.de/events/all_systems_go/2026/h264-sd/asg2026-410-eng-Modernizing_local_storage_management_for_systemd_services_sd.mp4

The storage directory settings in systemd help define where services store their data. Two important features have been implemented for these directories. The first one is id-mapped mounts, which is a filesystem feature that allows a mount namespace to show a different UID than what is stored on a file. Storage directories now support id-mapping, so that the files within the mount namespace of a service defined with DynamicUser=yes are owned by its unprivileged UID/GID. The second feature is storage quota support. Storage limits can now be defined in terms of percentages or absolute values to

Image: https://static.media.ccc.de/media/events/all_systems_go/2026/410-210a35a1-0980-5b55-8723-c14847aa9682.jpg

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Canonical URL: https://qwibbit.com/q25868

Created: 2026-10-26T14:35:03.823343+00:00

Last edited: 2026-10-26T14:35:03.823343+00:00

Board: 3

Origin: Syndicated

Original source: https://cdn.media.ccc.de/events/all_systems_go/2026/h264-sd/asg2026-410-eng-Modernizing_local_storage_management_for_systemd_services_sd.mp4