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rustfs/scripts/test
hector 2e6c820f53 test(heal): relative disk target and fail fast on terminal-but-short (#6748)
* test(heal): relative disk target and fail fast on terminal-but-short

The absolute 40 GiB heal target was calibrated to the background scanner
(auto-heal), which is now disabled for determinism; with only the explicit
heal the recovered node lands at ~36 GiB for 40 GiB survivors. Make the
success criterion relative: the outage node must reach at least 90% of the
least-used surviving node (absolute HEAL_TARGET_GB floor optional, default
0 = relative only).

Also fail fast when the heal task reaches a terminal success but the disk
target is not met (previously the monitor kept polling until timeout), and
drop the misleading 'progress absent' warning on the final (cleaned) task
response — mid-run progress is reported correctly.

Validated live: heal summary=finished, 0 failed, vm000/vm001=40GB,
vm002=40GB (target 36GB), test PASSED.

* test(heal): gate success on server verdict + data read-back, drop disk GB gate

The per-node disk-usage target (40 GiB / 90% of survivors) is not a
code-level invariant: EC distributes different shards per node, so the
final GB per node depends on the layout, not on heal correctness. Gate the
test on what the server actually verifies:

- Heal task terminal success (finished/completed) with objectsFailed == 0
  (the server's per-object scan/repair verdict).
- S3 read-back verification: list the test bucket and GET a sample of
  objects, requiring HTTP 200 for every read (end-to-end proof the data is
  still reconstructable after repair). The GET uses a discard mode so
  binary bodies are not captured (no null-byte warnings / SIGPIPE).

Per-node disk usage stays in the output as observability (with a warning if
the outage node gained no usage), not as the pass/fail gate. Removes the
heal_target_gb input and the relative-target logic.

Validated live: heal summary=finished, 0 failed, 20/20 objects read back,
vm002_used=40GB, PASS.
2026-08-27 22:25:17 +08:00
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2025-07-08 15:08:20 +08:00