AccessTier:  az.tier(), // set tier if specified
		Metadata:    azMeta,
	})
	if err != nil {
		return "", azureToObjectError(err, az.Bucket, az.getDest(object))
	}
	vid := ""
	if resp.VersionID != nil {
		vid = *resp.VersionID
	}
	return remoteVersionID(vid), nil
}

func (az *warmBackendAzure) Put(ctx context.Context, object string, r io.Reader, length int64) (remoteVersionID, error) {

}

func (d *naughtyDisk) DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions, opts DeleteOptions) []error {
	if err := d.calcError(); err != nil {
		errs := make([]error, len(versions))
		for i := range errs {
			errs[i] = err
		}
		return errs
	}
	return d.disk.DeleteVersions(ctx, volume, versions, opts)
}

				// couldn't be deleted.
				od := ObjectToDelete{
					ObjectV: ObjectV{
						ObjectName: exp.Name,
						VersionID:  exp.VersionID,
					},
				}
				toDel = append(toDel, od)
				oiCache.Add(od, &exp.ObjectInfo)
			}

			// DeleteObject(deletePrefix: true) to expire all versions of an object
			for _, exp := range toExpireAll {
				var success bool

	for index, metadata := range partsMetadata {
		if errs[index] != nil {
			continue
		}
		vid := metadata.VersionID
		if metadata.VersionID == "" {
			vid = nullVersionID
		}
		vidMap[vid]++
		etags[index] = metadata.Metadata["etag"]
	}

	for _, count := range vidMap {
		// do we have enough common versions
		// that have enough quorum to satisfy
		// the etag.
		if count >= quorum {
			return etags
		}

			return
		}
		// fake a versioned delete - to ensure deny policies are not in place
		err = c.RemoveObject(ctx, clnt.Bucket, obj, minio.RemoveObjectOptions{
			VersionID: ui.VersionID,
			Internal: minio.AdvancedRemoveOptions{
				ReplicationDeleteMarker:  false,
				ReplicationMTime:         time.Now(),

				DeleteMarker:     tc.isDelMarker,
				IsLatest:         !tc.isNoncurrent,
				SuccessorModTime: tc.objectSuccessorModTime,
				VersionID:        tc.versionID,
			}
			opts.NumVersions = 1
			if tc.hasManyVersions {
				opts.NumVersions = 2 // at least one noncurrent version
			}
			if res := lc.Eval(opts); res.Action != tc.expectedAction {
				t.Fatalf("Expected action: `%v`, got: `%v`", tc.expectedAction, res.Action)

	SubnetAPIKey = "x-subnet-api-key"
)

// Common http query params S3 API
const (
	VersionID = "versionId"

	PartNumber = "partNumber"

	UploadID = "uploadId"
)

// http headers sent to webhook targets
const (
	// Reports the version of MinIO server
	MinIOVersion             = "x-minio-version"
	WebhookEventPayloadCount = "x-minio-webhook-payload-count"

active-active replication caused by allowing delete markers set on a object version with `REPLICA` status back to source.

In the case of versioned deletes a.k.a permanent delete of a version by doing a `mc rm --version-id` on a object, replication implementation marks a object version permanently deleted as `PENDING` purge and deletes the version from source after syncing to the target and ensuring target version is deleted. The delete marker being deleted or object version being deleted...

//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of

// be achieved and disks have too many inconsistent versions.
func reduceCommonVersions(diskVersions [][]byte, writeQuorum int) (versions []byte) {
	diskVersionsCount := make(map[uint64]int)
	for _, versions := range diskVersions {
		if len(versions) > 0 {
			diskVersionsCount[binary.BigEndian.Uint64(versions)]++
		}
	}

	var commonVersions uint64
	maxCnt := 0
	for versions, count := range diskVersionsCount {
		if maxCnt < count {