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fix(restore): preserve safe read context through nested lookups

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Carry restore context through POST status reads, metadata copy routing, null-version Object Lock checks and multipart completion. A failed read must preserve the target and must not enqueue its remote object for garbage collection. Cover initial/status POST failures and metadata loss during single and multipart rehydration on real disks.

Signed-off-by: Feng Ruohang <rh@vonng.com>
This commit is contained in:
Feng Ruohang
2026-11-03 22:46:03 +08:00
parent 7c9b6386c6
commit 496eab4b76
7 changed files with 218 additions and 12 deletions
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cmd/erasure-server-pool.go
+6 -2
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@@ -1630,8 +1630,12 @@ func (z *erasureServerPools) CopyObject(ctx context.Context, srcBucket, srcObjec
// Restore status updates address an existing version. Keep ordinary
// copy/write allocation unchanged, including its latest-version lookup.
poolIdx, err = z.getPoolIdxExistingWithOpts(ctx, dstBucket, dstObject, ObjectOptions{
VersionID: dstOpts.VersionID, MetadataChg: true, NoLock: true,
SkipDecommissioned: true, SkipRebalancing: true,
VersionID: dstOpts.VersionID,
MetadataChg: true,
NoLock: true,
Transition: dstOpts.Transition,
SkipDecommissioned: true,
SkipRebalancing: true,
})
} else {
poolIdx, err = z.getPoolIdxNoLock(ctx, dstBucket, dstObject, srcInfo.Size)