poolMetaMutex sync.RWMutex
	poolMeta      poolMeta

	rebalMu   sync.RWMutex
	rebalMeta *rebalanceMeta

	deploymentID     [16]byte
	distributionAlgo string

	serverPools []*erasureSets

	// Active decommission canceler
	decommissionCancelers []context.CancelFunc

	s3Peer *S3PeerSys

	mpCache *xsync.MapOf[string, MultipartInfo]
}

func (z *erasureServerPools) SinglePool() bool {
	return len(z.serverPools) == 1