Linux Advanced LINUX-080 · 18 min

XFS project quota silently blocks writes inside the container content path

The filesystem still has free space, but one workload starts failing writes because a project quota limit was reached on the specific content subtree it uses.

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The filesystem still has free space, but one workload starts failing writes …

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XFS project quota silently blocks writes inside the container content path

OverlayFS upperdir fills the root filesystem while the underlying data volume still looks empty

Rsync transfer is complete but hard links were expanded and the backup target fills twice as fast

Filesystem is remounted read-only after transient storage errors but the app hides it as generic 500s

A shell cleanup trap unmounts the bind mount before the child process exits and late writes vanish from the host path