// Fill buffers
	b := globalBytePoolCap.Load().Get()
	shardSize := int(e.ShardSize())
	if cap(b) < len(readers)*shardSize {
		// We should always have enough capacity, but older objects may be bigger.
		globalBytePoolCap.Load().Put(b)
		b = nil
	} else {
		// Seed the buffers.
		for i := range bufs {
			bufs[i] = b[i*shardSize : (i+1)*shardSize]
		}
	}

	return &parallelReader{

		disks := make([]StorageAPI, s.setDriveCount)
		copy(disks, s.erasureDisks[setIndex])
		return disks
	}
}

// defaultMonitorConnectEndpointInterval is the interval to monitor endpoint connections.
// Must be bigger than defaultMonitorNewDiskInterval.
const defaultMonitorConnectEndpointInterval = defaultMonitorNewDiskInterval + time.Second*5

// Initialize new set of erasure coded sets.