备份用br的7.0，在6.5的集群上执行的恢复，日志显示不支持
detected the old version of tidb cluster, require: >= 6.6.0, but got 6.5.0"] [errorVerbose="detected the old version of tidb cluster, require: >= 6.6.0, but got 6.5.0\
[2023/04/19 14:21:04.504 +08:00] [WARN] [restore.go:435] ["Keyspace BR is not supported in this cluster, fallback to legacy restore"] [error="detected the old version of tidb cluster, require: >= 6.6.0, but got 6.5.0"] [errorVerbose="detected the old version of tidb cluster, require: >= 6.6.0, but got 6.5.0\ngithub.com/pingcap/tidb/br/pkg/version.CheckVersionForKeyspaceBR\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/version/version.go:177\ngithub.com/pingcap/tidb/br/pkg/version.CheckClusterVersion\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/version/version.go:108\ngithub.com/pingcap/tidb/br/pkg/restore.CheckKeyspaceBREnable\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/restore/client.go:2897\ngithub.com/pingcap/tidb/br/pkg/task.configureRestoreClient\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/task/restore.go:433\ngithub.com/pingcap/tidb/br/pkg/task.runRestore\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/task/restore.go:570\ngithub.com/pingcap/tidb/br/pkg/task.RunRestore\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/pkg/task/restore.go:533\nmain.runRestoreCommand\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/cmd/br/restore.go:63\nmain.newFullRestoreCommand.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/cmd/br/restore.go:148\ngithub.com/spf13/cobra.(*Command).execute\n\t/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:916\ngithub.com/spf13/cobra.(*Command).ExecuteC\n\t/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:1044\ngithub.com/spf13/cobra.(*Command).Execute\n\t/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:968\nmain.main\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/br/br/cmd/br/main.go:57\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:250\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1598"]