Update br/backup-and-restore-overview.md

pingcap · Feb 24, 2025 · fddfbb2 · fddfbb2
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commit fddfbb2
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/br/backup-and-restore-overview.md b/br/backup-and-restore-overview.md
@@ -145,8 +145,7 @@ This section introduces the BR compatibility information for all [Long-Term Supp
 
 > **Note:**
 >
-> Known issue: in v7.2.0, some system table fields are changed to case-sensitive, which might cause cross-version backup and restore failures. For more details, see [issue #43717](https://github.com/pingcap/tidb/issues/43717).
-> For clusters below v7.2.0 upgraded in-place to v7.2.0 and above, the case sensitivity settings of the corresponding system tables remain unchanged. Backup/Restore to other clusters versions above v7.2.0 might cause cross-version failures.
+> Known issue: Starting from version v7.2.0, some system table fields in newly created clusters are case-sensitive. However, for clusters that are **upgraded online** from versions earlier than v7.2.0 to v7.2.0 or later, the corresponding system table fields remain case-insensitive. Backup and restore operations involving system tables between these two types of clusters might fail. For more details, see [Issue #43717](https://github.com/pingcap/tidb/issues/43717).
 
 The following table lists the compatibility matrix for full backups. Note that all data in the table comes from newly created clusters.