final int realGroupCount = pacStream.readInt();
                if (realGroupCount != groupCount) {
                    throw new PACDecodingException("Invalid number of groups in PAC expect" + groupCount + " have " + realGroupCount);
                }
                groups = new PacGroup[groupCount];
                for (int i = 0; i < groupCount; i++) {
                    pacStream.align(4);

		for g, pslc := range groupDescStats {
			var gds []madmin.GroupDesc
			groupCount := 0
			for _, ps := range pslc {
				groupCount++
				sum := info.StatsSummary[ps.DeploymentID]
				sum.TotalGroupsCount++
				info.StatsSummary[ps.DeploymentID] = sum
				gds = append(gds, ps.GroupDesc)
			}
			gdMismatch := !isGroupDescReplicated(groupCount, numSites, gds)
			for _, ps := range pslc {