return
	}

	z, ok := objectAPI.(*erasureServerPools)
	if !ok || len(z.serverPools) == 1 {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
		return
	}

	if z.IsDecommissionRunning() {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errDecommissionAlreadyRunning), r.URL)
		return
	}

	if z.IsRebalanceStarted(ctx) {

		newMeta.Pools = append(newMeta.Pools, PoolStatus{
			CmdLine:    pool.endpoints.CmdLine,
			ID:         idx,
			LastUpdate: UTCNow(),
		})
	}
	return newMeta
}

func (z *erasureServerPools) IsDecommissionRunning() bool {
	z.poolMetaMutex.RLock()
	defer z.poolMetaMutex.RUnlock()
	meta := z.poolMeta
	for _, pool := range meta.Pools {
		if pool.Decommission != nil &&
			!pool.Decommission.Complete &&