NoAuditLog:        true,
						})
					// This can happen when rebalance stop races with ongoing rebalance workers.
					// These rebalance failures can be ignored.
					if err != nil {
						// This can happen when rebalance stop races with ongoing rebalance workers.
						// These rebalance failures can be ignored.

        if (result[0] == 0) {
          distinctElements++;
        }
        this.totalCount += count;
        return (right.height == initHeight) ? this : rebalance();
      }

      // adding count to me!  No rebalance possible.
      result[0] = elemCount;
      long resultCount = (long) elemCount + count;
      checkArgument(resultCount <= Integer.MAX_VALUE);
      this.elemCount += count;

        if (result[0] == 0) {
          distinctElements++;
        }
        this.totalCount += count;
        return (right.height == initHeight) ? this : rebalance();
      }

      // adding count to me!  No rebalance possible.
      result[0] = elemCount;
      long resultCount = (long) elemCount + count;
      checkArgument(resultCount <= Integer.MAX_VALUE);
      this.elemCount += count;

	peerRESTMetricsTypes    = "types"
	peerRESTDisk            = "disk"
	peerRESTHost            = "host"
	peerRESTJobID           = "job-id"
	peerRESTDepID           = "depID"
	peerRESTStartRebalance  = "start-rebalance"
	peerRESTMetrics         = "metrics"
	peerRESTDryRun          = "dry-run"
	peerRESTUploadID        = "up-id"

	peerRESTURL         = "url"
	peerRESTSha256Sum   = "sha256sum"
	peerRESTReleaseInfo = "releaseinfo"

	SkipDecommissioned bool
	// SkipRebalancing should be set to 'true' if the call should skip pools
	// participating in a rebalance operation. Typically set for 'write' operations.
	SkipRebalancing bool

	SrcPoolIdx int // set by PutObject/CompleteMultipart operations due to rebalance; used to prevent rebalance src, dst pools to be the same

	DataMovement bool // indicates an going decommisionning or rebalacing

			// Rebalance operations
			adminRouter.Methods(http.MethodPost).Path(adminVersion + "/rebalance/start").HandlerFunc(adminMiddleware(adminAPI.RebalanceStart, traceAllFlag))
			adminRouter.Methods(http.MethodGet).Path(adminVersion + "/rebalance/status").HandlerFunc(adminMiddleware(adminAPI.RebalanceStatus, traceAllFlag))

// in 'pool.bin', this is eventually used for decommissioning the pool.
func (z *erasureServerPools) Init(ctx context.Context) error {
	// Load rebalance metadata if present
	if err := z.loadRebalanceMeta(ctx); err == nil {
		// Start rebalance routine if we can reload rebalance metadata.
		z.StartRebalance()
	}

	meta := poolMeta{}
	if err := meta.load(ctx, z.serverPools[0], z.serverPools); err != nil {
		return err

	}

	if pools, ok := objAPI.(*erasureServerPools); ok {
		pools.StopRebalance()
	}
}

// LoadRebalanceMeta notifies all peers to load rebalance.bin from object layer.
// Note: Only peers participating in rebalance operation, namely the first node
// in each pool will load rebalance.bin.
func (sys *NotificationSys) LoadRebalanceMeta(ctx context.Context, startRebalance bool) {
	ng := WithNPeers(len(sys.peerClients))

	},
	ErrAdminRebalanceAlreadyStarted: {
		Code:           "XMinioAdminRebalanceAlreadyStarted",
		Description:    "Pool rebalance is already started",
		HTTPStatusCode: http.StatusConflict,
	},
	ErrAdminRebalanceNotStarted: {
		Code:           "XMinioAdminRebalanceNotStarted",
		Description:    "Pool rebalance is not started",
		HTTPStatusCode: http.StatusNotFound,
	},
	ErrMaximumExpires: {

			}
			// Previously we checked if we had quorum on DataDir value.
			// We have removed this check to allow reading objects with different DataDir
			// values in a few drives (due to a rebalance-stop race bug)
			// provided their their etags or ModTimes match.

			if !meta.Deleted && meta.Size != 0 {
				fmt.Fprintf(h, "%v+%v", meta.Erasure.DataBlocks, meta.Erasure.ParityBlocks)