func (c *SiteReplicationSys) PeerJoinReq(ctx context.Context, arg madmin.SRPeerJoinReq) error {
	var ourName string
	for d, p := range arg.Peers {
		if d == globalDeploymentID() {
			ourName = p.Name
			break
		}
	}
	if ourName == "" {
		return errSRSelfNotFound
	}

	sa, _, err := globalIAMSys.GetServiceAccount(ctx, arg.SvcAcctAccessKey)