Sometimes, the parent link remains even after the child snapshot is deleted, preventing garbage collection.
The phrase "CRI file system tools link" encapsulates a chain of dependencies: The ontainer R untime I nterface defines the API; the file system tools ( crictl , nsenter , du , fsck , mount ) provide the mechanism; and the link —be it a symbolic link, a mount namespace, or an overlay lower directory—provides the actual connection between abstraction and hardware.
Have a specific CRI filesystem issue related to links? Use the commands above to inspect your environment, and always test link operations in a non-production cluster first. cri file system tools link
lrwxrwxrwx 1 root root ... rootfs -> /var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/42/fs
Whether you are a developer or a member of the modding community, these are the primary tools used to interface with CRIFS: 1. CRI Packed File Maker Sometimes, the parent link remains even after the
runc provides runc mount and runc ps , but these operate on a single container’s bundle. CRI tools aggregate across pods and sandboxes.
When a pod says CrashLoopBackOff due to filesystem errors (e.g., no such file or directory ), use this "CRI File System Tools Link" workflow: Use the commands above to inspect your environment,
Simply knowing the tool is often not enough; the "link" between the tool and the file system is the mount point.