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abuckit
735fabc2d8
Buckit handles XFS errors itself, so the kernel default (retry-on-error forever) only adds latency. Ship a systemd timer that periodically sets max_retries=0 for the EIO, ENOSPC, and default error classes on the block devices backing MINIO_VOLUMES. The values reset on every mount, so the timer (re-)applies them after boot and after a restart-free drive hot-swap. The script reads MINIO_VOLUMES from the running server's process environment, scopes writes to only the mounted Buckit data drives (never the root fs or unrelated XFS volumes), and exits cleanly when the server is down or no XFS is present. Genuine write failures are logged and surface the unit as failed. postinstall enables the timer (idempotent across upgrades); postremove disables it only on full removal.
27 lines
672 B
Bash
Executable File
27 lines
672 B
Bash
Executable File
#!/bin/sh
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set -e
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if ! getent group buckit >/dev/null 2>&1; then
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groupadd --system buckit
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fi
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if ! getent passwd buckit >/dev/null 2>&1; then
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useradd --system \
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--gid buckit \
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--no-create-home \
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--home-dir /var/lib/buckit \
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--shell /sbin/nologin \
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--comment "Buckit Object Storage" \
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buckit
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fi
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if command -v systemctl >/dev/null 2>&1; then
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systemctl daemon-reload >/dev/null 2>&1 || true
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# Keep XFS retry-on-error disabled on the data drives. Safe to enable
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# even before buckit.service is started: the unit is a no-op on hosts
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# without XFS. Idempotent across upgrades.
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systemctl enable --now buckit-xfs-retry.timer >/dev/null 2>&1 || true
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fi
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exit 0
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