func isEmptyLayout(poolsLayout ...poolDisksLayout) bool {
	return len(poolsLayout) == 0 || len(poolsLayout[0].layout) == 0 || len(poolsLayout[0].layout[0]) == 0 || len(poolsLayout[0].layout[0][0]) == 0
}

func isSingleDriveLayout(poolsLayout ...poolDisksLayout) bool {
	return len(poolsLayout) == 1 && len(poolsLayout[0].layout) == 1 && len(poolsLayout[0].layout[0]) == 1
}

	ShortCommitID = "DEVELOPMENT.GOGET"

	// CopyrightYear - dynamic value of the copyright end year
	CopyrightYear = "0000"

	// MinioReleaseTagTimeLayout - release tag time layout.
	MinioReleaseTagTimeLayout = "2006-01-02T15-04-05Z"

	// MinioOSARCH - OS and ARCH.
	minioOSARCH = runtime.GOOS + "-" + runtime.GOARCH

	// MinioReleaseBaseURL - release url without os and arch.

				return layout, errors.New("all arguments must but either single node or distributed")
			}
		}

		setArgs, err := GetAllSets(eps...)
		if err != nil {
			return layout, err
		}

		h := xxhash.New()
		for _, s := range setArgs {
			for _, d := range s {
				h.WriteString(d)
			}
		}

		layout.pools = append(layout.pools, poolDisksLayout{

				t.Error("expected success, got failure", err)
			}
			if err == nil {
				if len(sctx.Layout.pools) != 2 {
					t.Error("expected parsed pools to be 2, not", len(sctx.Layout.pools))
				}
				if sctx.Layout.pools[0].cmdline != testcase.hash {
					t.Error("expected hash", testcase.hash, "got", sctx.Layout.pools[0].cmdline)
				}
			}
		})
	}
}

// Tests initializing new object layer.

			if err != nil && testCase.success {
				t.Fatalf("Test %d: unexpected error: %v", i+1, err)
			}
			_, _, err = createServerEndpoints(testCase.serverAddr, srvCtxt.Layout.pools, srvCtxt.Layout.legacy)
			if err != nil && testCase.success {
				t.Errorf("Test %d: Expected success but failed instead %s", i+1, err)
			}
			if err == nil && !testCase.success {

	}
	return value
}

// ISO8601Parse parses ISO8601 date string
func ISO8601Parse(iso8601 string) (t time.Time, err error) {
	for _, layout := range []string{
		iso8601TimeFormat,
		iso8601TimeFormatLong,
		time.RFC3339,
	} {
		t, err = time.Parse(layout, iso8601)
		if err == nil {
			return t, nil
		}
	}

	return t, err

		globalRootCAs.AddCert(publicCrt)
	}

	// Register root CAs for remote ENVs
	env.RegisterGlobalCAs(globalRootCAs)

	globalEndpoints, setupType, err = createServerEndpoints(globalMinioAddr, ctxt.Layout.pools, ctxt.Layout.legacy)
	logger.FatalIf(err, "Invalid command line arguments")
	globalNodes = globalEndpoints.GetNodes()

	globalIsErasure = (setupType == ErasureSetupType)

			// Special C name for Go string type.
			// Knows string layout used by compilers: pointer plus length,
			// which rounds up to 2 pointers after alignment.
			t.Go = c.string
			t.Size = c.ptrSize * 2
			t.Align = c.ptrSize
			break
		}
		if dt.Name == "_GoBytes_" {
			// Special C name for Go []byte type.
			// Knows slice layout used by compilers: pointer, length, cap.
			t.Go = c.Ident("[]byte")

	// Make sure that the input format is GNU.
	// Unfortunately, the STAR format also has a sparse header format that uses
	// the same type flag but has a completely different layout.
	if blk.getFormat() != FormatGNU {
		return nil, ErrHeader
	}
	hdr.Format.mayOnlyBe(FormatGNU)

	var p parser
	hdr.Size = p.parseNumeric(blk.toGNU().realSize())
	if p.err != nil {
		return nil, p.err

			if err != nil && testCase.expectedErr == nil {
				t.Errorf("Test %d: unexpected error: %v", i+1, err)
			}
			pools, setupType, err := CreatePoolEndpoints(testCase.serverAddr, srvCtxt.Layout.pools...)
			if err == nil && testCase.expectedErr != nil {
				t.Errorf("Test %d: expected = %v, got = <nil>", i+1, testCase.expectedErr)
			}
			if err == nil {
				if setupType != testCase.expectedSetupType {