if err != nil {
				return err
			}
			diskVersions[index] = resp.Sign
			dataDirs[index] = resp.OldDataDir
			return nil
		}, index)
	}

	// Wait for all renames to finish.
	errs := g.Wait()

	err := reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, writeQuorum)
	if err != nil {
		dg := errgroup.WithNErrs(len(disks))
		for index, nerr := range errs {

				// persist in-memory state to disk after every 10secs.
				batchLogIf(ctx, ri.updateAfter(ctx, api, 10*time.Second, job))

				if wait := globalBatchConfig.ReplicationWait(); wait > 0 {
					time.Sleep(wait)
				}
			}()
		}
		wk.Wait()

		ri.RetryAttempts = attempts
		ri.Complete = ri.ObjectsFailed == 0
		ri.Failed = ri.ObjectsFailed > 0

		globalBatchJobsMetrics.save(job.ID, ri)