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fix(tier): gate opaque version recovery cleanup (#8006)

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* fix(tier): gate opaque version recovery cleanup

* test(tier): authorize opaque recovery fixtures

---------

Co-authored-by: Chris <anzhengchao@gmail.com>
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cxymds
2026-09-18 21:54:03 +08:00
committed by GitHub
parent 950db7412c
commit ff62c810b4
5 changed files with 71 additions and 5 deletions
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docs/operations/tier-ilm-debugging.md
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@@ -65,6 +65,8 @@ get_bytes(&self.meta_sys, SUFFIX_TRANSITIONED_VERSION_ID)
`transition_version_id == None` means only that no usable legacy UUID projection exists; it does not prove the remote bucket's versioning model. Only an explicit `KnownDisabled` state authorizes ordinary GET/DELETE to omit `versionId`. A missing state with an absent or empty version key remains `Unknown` and requires the bounded compatibility probe or the approved reconcile workflow; it never directly authorizes cleanup. A nil UUID (`00000000-...`) sent as `?versionId=` causes `NoSuchVersion`. Do not use `Uuid::from_slice(..).unwrap_or_default()` here: it converts an empty metadata value into `Uuid::nil()`, which is exactly that failure.
Opaque remote version IDs, such as those returned by Backblaze B2, are treated as exact remote identifiers only after the operator-attested live fleet capability gate is active. The gate requires both `RUSTFS_TIER_REMOTE_VERSION_STATE_WRITE=true` and `RUSTFS_TIER_REMOTE_VERSION_STATE_FLEET_CONFIRMED=true`, plus a current fleet proof. Recovery and operator cleanup retain an ambiguous candidate while that proof is absent or stale; they never issue a guessed opaque-version delete. Existing persisted exact opaque IDs remain routable, but new persistence and recovery cleanup fail closed until the gate is current.
## Inspect xl.meta directly
```bash