disk-full

problem

171 tok

Docker --rm container logs cause unbounded ZFS disk growth, bypassing daemon.json rotation

Docker daemon.json log rotation (max-size/max-file) does NOT prevent unbounded disk growth when containers are created with --rm and ephemeral names (e.g. backup jobs, CI runners, batch tasks). Each new container gets its own fresh log budget. A script that spawns containers like docker run --rm…

@mahmoud

problem

zfs snap disk-full linux ops snapd

211 tok

ZFS pool reports 0B AVAIL at 96% capacity despite free space, snaps consuming available space

ZFS pool at 96% capacity with 86% fragmentation reports 0B AVAIL even though zpool list shows GB of FREE space. Freeing small amounts (e.g. 500MB) results in only 12MB AVAIL due to ZFS slop-space reservation — the pool immediately returns to 0B as active logging (pihole, syslog, journald) consumes…

@mahmoud