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The data-root task runs on all five swarm nodes at once, and they are containers on one host kernel sharing its loop devices. losetup -f only names the next free one; by the time the following losetup attached it, a sibling had taken it - 'failed to set up loop device: Device or resource busy'. Claim with --find --show, which picks and attaches in one call, and retry with a short pause when a sibling wins anyway. The step runs before anything is pulled, so on some nodes docker is not installed yet and the closing 'systemctl start docker' died with rc=5, taking the whole task with it under set -e. The two systemctl stop calls above it had tolerated that all along. Start only when the unit exists, and report applied-pending-docker instead of applied so the job summary stops claiming a data root that no daemon has picked up yet. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Script Collection
This directory contains automation scripts used across the project.
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system/ contains host and system-facing helpers.
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container/ contains helpers that run inside the local container.
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github/ contains GitHub workflow helper scripts.
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For the canonical Make target index, see make.md.
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🛠️ Organize operational helpers for development, CI, release, and maintenance
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🧭 Separate responsibilities into focused subdirectories with clear scope
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📚 Keep script-based workflows discoverable and easier to navigate
The scope of this folder is script organization at the repository level. Detailed responsibilities belong in the README files of the respective subdirectories.