Update hardware-and-software-requirements.md

pingcap · Jan 16, 2025 · 5bbd853 · 5bbd853
1 parent 2d07412
commit 5bbd853
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/hardware-and-software-requirements.md b/hardware-and-software-requirements.md
@@ -63,8 +63,8 @@ In v8.5 LTS, TiDB ensures multi-level quality standards for various combinations
     > **Warning:**
     >
     > - According to [CentOS Linux EOL](https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-and-centos-linux-7/), the upstream support for CentOS Linux 7 ends on June 30, 2024.
-    >     - TiDB v8.4.0 DMR and v8.5.0 releases dropped support and testing with CentOS Linux 7 because it reaches [EOL status on June 30, 2024](https://www.redhat.com/en/topics/linux/centos-linux-eol). Upgrading a TiDB cluster on CentOS 7 to v8.4.0 or v8.5.0 will cause the risk of cluster unavailability.
-    >     - To assist users still running CentOS Linux 7, TiDB resumes testing of CentOS Linux 7 starting from v8.5.1. However, due to the EOL status of CentOS Linux, it is strongly recommended that you review the [official announcements and security guidance](https://www.redhat.com/en/blog/centos-linux-has-reached-its-end-life-eol) for CentOS Linux 7 and migrate to an [operating system supported by TiDB](/hardware-and-software-requirements.md#os-and-platform-requirements) for production use, such as Rocky Linux 9.1 or later.
+    >     - Before upgrading TiDB, make sure to check your operating system version. TiDB v8.4.0 DMR and v8.5.0 dropped support and testing with CentOS Linux 7. It is recommended to use Rocky Linux 9.1 or a later version. Upgrading a TiDB cluster on CentOS 7 to v8.4.0 or v8.5.0 will cause the risk of cluster unavailability.
+    >     - Starting from v8.5.1, to assist users still running CentOS Linux 7, TiDB resumes testing of CentOS Linux 7 and is compatible with it. However, due to the EOL status of CentOS Linux, it is strongly recommended that you review the [official announcements and security guidance](https://www.redhat.com/en/blog/centos-linux-has-reached-its-end-life-eol) for CentOS Linux 7 and migrate to an [operating system supported by TiDB](/hardware-and-software-requirements.md#os-and-platform-requirements) for production use, such as Rocky Linux 9.1 or later.
     > - According to [Red Hat Enterprise Linux Life Cycle](https://access.redhat.com/support/policy/updates/errata/#Life_Cycle_Dates), the maintenance support for Red Hat Enterprise Linux 7 ends on June 30, 2024. TiDB ends the support for Red Hat Enterprise Linux 7 starting from the 8.4 DMR version. It is recommended to use Rocky Linux 9.1 or a later version. Upgrading a TiDB cluster on Red Hat Enterprise Linux 7 to v8.4.0 or later will cause the cluster to become unavailable. Before upgrading TiDB, make sure to check your operating system version.
 
 + For the following combinations of operating systems and CPU architectures, you can compile, build, and deploy TiDB. In addition, you can also use the basic features of OLTP, OLAP, and the data tools. However, TiDB **does not guarantee enterprise-level production quality**: