type PoolObjInfo struct {
	Index   int
	ObjInfo ObjectInfo
	Err     error
}

type poolErrs struct {
	Index int
	Err   error
}

func (z *erasureServerPools) getPoolInfoExistingWithOpts(ctx context.Context, bucket, object string, opts ObjectOptions) (PoolObjInfo, []poolErrs, error) {
	var noReadQuorumPools []poolErrs
	poolObjInfos := make([]PoolObjInfo, len(z.serverPools))