case "v":
			z.Version, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Version")
				return
			}
		case "jid":
			z.JobID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "JobID")
				return
			}
		case "jt":
			z.JobType, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "JobType")
				return
			}
		case "st":

				for attempts := 1; attempts <= retryAttempts; attempts++ {
					select {
					case <-ctx.Done():
						done = true
					default:
					}
					stopFn := globalBatchJobsMetrics.trace(batchJobMetricExpire, ri.JobID, attempts)
					_, err := api.DeleteObject(ctx, exp.Bucket, encodeDirObject(exp.Name), ObjectOptions{
						DeletePrefix:       true,

)

// Start the batch key rottion job, resumes if there was a pending job via "job.ID"
func (r *BatchJobKeyRotateV1) Start(ctx context.Context, api ObjectLayer, job BatchJobRequest) error {
	ri := &batchJobInfo{
		JobID:     job.ID,
		JobType:   string(job.Type()),
		StartTime: job.Started,
	}
	if err := ri.load(ctx, api, job); err != nil {
		return err
	}
	if ri.Complete {
		return nil
	}

	for disk := range opts.disks {
		values.Add(peerRESTDisk, disk)
	}
	for host := range opts.hosts {
		values.Add(peerRESTHost, host)
	}
	values.Set(peerRESTJobID, opts.jobID)
	values.Set(peerRESTDepID, opts.depID)
	v, err := getMetricsRPC.Call(ctx, client.gridConn(), grid.NewURLValuesWith(values))
	return v.ValueOrZero(), err
}