diff --git a/src/storage/backup/ob_backup_task.cpp b/src/storage/backup/ob_backup_task.cpp
index 2e80571f00..801f637065 100644
--- a/src/storage/backup/ob_backup_task.cpp
+++ b/src/storage/backup/ob_backup_task.cpp
@@ -98,6 +98,8 @@ static int advance_checkpoint_by_flush(const uint64_t tenant_id, const share::Ob
         }
       } else if (OB_FAIL(ls->get_ls_meta_package(ls_meta_package))) {
         LOG_WARN("failed to get ls meta package", K(ret), K(tenant_id), K(ls_id));
+      } else if (OB_FAIL(ls_meta_package.ls_meta_.check_valid_for_backup())) {
+        LOG_WARN("failed to check valid for backup", K(ret), K(ls_meta_package));
       } else {
         const int64_t clog_checkpoint_ts = ls_meta_package.ls_meta_.get_clog_checkpoint_ts();
         if (clog_checkpoint_ts >= start_scn) {
@@ -2032,7 +2034,7 @@ int ObPrefetchBackupInfoTask::process()
   } else if (OB_SUCCESS != ls_backup_ctx_->get_result_code()) {
     LOG_INFO("backup already failed, do nothing");
   } else if (OB_FAIL(inner_process_())) {
-    LOG_WARN("failed to process", K(ret));
+    LOG_WARN("failed to process", K(ret), K_(param));
   } else {
     LOG_INFO("prefetch backup info process", K_(backup_data_type));
   }
@@ -3799,6 +3801,8 @@ int ObLSBackupPrepareTask::may_need_advance_checkpoint_()
         LOG_WARN("log stream not exist", K(ret), K(ls_id));
       } else if (OB_FAIL(ls->get_ls_meta_package(cur_ls_meta))) {
         LOG_WARN("failed to get ls meta package", K(ret), K(tenant_id), K(ls_id));
+      } else if (OB_FAIL(cur_ls_meta.ls_meta_.check_valid_for_backup())) {
+        LOG_WARN("failed to check valid for backup", K(ret), K(cur_ls_meta));
       } else if (backup_clog_checkpoint_ts <= cur_ls_meta.ls_meta_.get_clog_checkpoint_ts()) {
         LOG_INFO("no need advance checkpoint", K_(param));
       } else if (OB_FAIL(advance_checkpoint_by_flush(tenant_id, ls_id, backup_clog_checkpoint_ts, ls))) {
diff --git a/src/storage/backup/ob_backup_utils.cpp b/src/storage/backup/ob_backup_utils.cpp
index 9f6f220e91..6ed8d219d9 100644
--- a/src/storage/backup/ob_backup_utils.cpp
+++ b/src/storage/backup/ob_backup_utils.cpp
@@ -1608,7 +1608,11 @@ int ObBackupTabletProvider::get_tablet_handle_(const uint64_t tenant_id, const s
   if (OB_INVALID_ID == tenant_id || !ls_id.is_valid() || !tablet_id.is_valid()) {
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("get invalid args", K(ret), K(tenant_id), K(ls_id), K(tablet_id));
+  } else if (OB_ISNULL(ls_backup_ctx_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("ls backup ctx should not be null", K(ret));
   } else {
+    const int64_t rebuild_seq = ls_backup_ctx_->rebuild_seq_;
     MTL_SWITCH(tenant_id) {
       ObLS *ls = NULL;
       ObLSHandle ls_handle;
@@ -1622,8 +1626,12 @@ int ObBackupTabletProvider::get_tablet_handle_(const uint64_t tenant_id, const s
       } else if (OB_ISNULL(ls = ls_handle.get_ls())) {
         ret = OB_ERR_UNEXPECTED;
         LOG_WARN("LS is null", K(ret));
+      } else if (OB_FAIL(ObBackupUtils::check_ls_valid_for_backup(tenant_id, ls_id, rebuild_seq))) {
+        LOG_WARN("failed to check ls valid for backup", K(ret), K(tenant_id), K(ls_id), K(rebuild_seq));
       } else if (OB_FAIL(ls->get_tablet(tablet_id, tablet_handle, timeout_us))) {
         LOG_WARN("failed to get tablet handle", K(ret), K(tenant_id), K(ls_id), K(tablet_id));
+      } else if (OB_FAIL(ObBackupUtils::check_ls_valid_for_backup(tenant_id, ls_id, rebuild_seq))) {
+        LOG_WARN("failed to check ls valid for backup", K(ret), K(tenant_id), K(ls_id), K(rebuild_seq));
       }
     }
   }
diff --git a/src/storage/ls/ob_ls_meta.cpp b/src/storage/ls/ob_ls_meta.cpp
index 3ea914776c..80c77f0320 100644
--- a/src/storage/ls/ob_ls_meta.cpp
+++ b/src/storage/ls/ob_ls_meta.cpp
@@ -480,7 +480,7 @@ int ObLSMeta::set_ls_rebuild()
   return ret;
 }
 
-int ObLSMeta::check_valid_for_backup()
+int ObLSMeta::check_valid_for_backup() const
 {
   int ret = OB_SUCCESS;
   ObSpinLockTimeGuard guard(lock_);
diff --git a/src/storage/ls/ob_ls_meta.h b/src/storage/ls/ob_ls_meta.h
index 8251f2dd4b..5df382cab0 100644
--- a/src/storage/ls/ob_ls_meta.h
+++ b/src/storage/ls/ob_ls_meta.h
@@ -74,7 +74,7 @@ public:
       const ObLSMeta &src_ls_meta);
   //for ha rebuild update ls meta
   int set_ls_rebuild();
-  int check_valid_for_backup();
+  int check_valid_for_backup() const;
   int64_t get_tablet_change_checkpoint_ts() const;
   int set_tablet_change_checkpoint_ts(int64_t tablet_change_checkpoint_ts);
   int update_id_meta(const int64_t service_type,