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Fix exact-version purges and delete-marker metadata healing

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Require write-quorum absence for missing purge retries, aggregate removed and already-absent votes only for physical purges, and resolve receiver purges by version across pools. Preserve marker metadata through creation and healing while retaining DELETE response semantics.

Add real-disk quorum, pool, callback, metadata, heal and outbound replication regressions. Synchronize capacity fixture installation and restoration with concurrent IAM readers.

Signed-off-by: Feng Ruohang <rh@vonng.com>
(cherry picked from commit 22ba4d426677aa07470927fc349a43afd87e19b6)
This commit is contained in:
Feng Ruohang
2026-09-16 21:07:29 +08:00
parent 8d06424b12
commit eb4f5e5b31
10 changed files with 938 additions and 14 deletions
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cmd/erasure-server-pool-consistency.go
+20
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@@ -316,6 +316,11 @@ func (z *erasureServerPools) retireReplicaCopies(ctx context.Context, bucket, ob
func (z *erasureServerPools) deleteObjectReconciled(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
copies, err := z.objectPoolInfos(ctx, bucket, object, opts)
if err != nil {
if opts.isVersionPurge() && (isErrObjectNotFound(err) || isErrVersionNotFound(err)) {
if quorumErr := z.checkPurgeAbsent(ctx, bucket, object, opts.VersionID); quorumErr != nil {
return ObjectInfo{}, quorumErr
}
}
return ObjectInfo{}, err
}
primary := copies[0]
@@ -365,6 +370,21 @@ func (z *erasureServerPools) deleteObjectReconciled(ctx context.Context, bucket,
opts.EvalMetadataFn = nil
}
}
if opts.isVersionPurge() {
// A missing pool may have only read-quorum absence. Verify every pool
// omitted by lookup before mutating the known copies.
for i, pool := range z.serverPools {
found := false
for _, copy := range copies {
found = found || copy.Index == i
}
if !found {
if err := pool.getHashedSet(object).checkPurgeAbsent(ctx, bucket, object, opts.VersionID); err != nil {
return ObjectInfo{}, err
}
}
}
}
if opts.VersionID == "" && (opts.Versioned || opts.VersionSuspended) {
// A single new delete marker hides the current version. Older versions
// remain history and must not be removed by an unqualified DELETE.