This is an automated cherry-pick of pingcap#21379

Signed-off-by: ti-chi-bot <[email protected]>

Author: dveeden

.lycheeignore

@@ -14,4 +14,27 @@ file://.*?http:/\$%7BPD_IP%7D:\$%7BPD_PORT%7D/dashboard.*
 http://\{grafana-ip\}:3000
 http://\{pd-ip\}:2379/dashboard
 http://localhost:\d+/
-https://github\.com/\$user/(docs|docs-cn)
+<<<<<<< HEAD
+https://github\.com/\$user/(docs|docs-cn)
+=======
+https://github\.com/\$user/(docs|docs-cn)
+https://linux\.die\.net/man.*
+https://dev\.mysql\.com/doc/.+/5.7/en/.*
+https://dev\.mysql\.com/doc/.+/8\.0/en/.*
+https://dev\.mysql\.com/doc/.+/8\.4/en/.*
+https://dev\.mysql\.com/doc/[a-z\-]+/en/.*
+https://dev\.mysql\.com/doc/relnotes/[a-z\-]+/en/.*
+https://dev\.mysql\.com/doc/dev/mysql-server/.*
+https://dev\.mysql\.com/downloads/.*
+https://bugs\.mysql\.com/bug\.php.*
+https://www\.mysql\.com/products/.*
+https://platform\.openai\.com/docs/.*
+https://openai\.com/.*
+https://jwt\.io/
+https://typeorm\.io/.*
+https://dash\.cloudflare\.com/.*
+https://centminmod\.com/mydumper\.html
+https://docs\.pingcap\.com/tidb/v6\.6/system-variables#tidb_pessimistic_txn_aggressive_locking-new-in-v660
+https://docs\.pingcap\.com/tidb/v7\.6/system-variables#tidb_ddl_version-new-in-v760
+https://developers\.redhat\.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level
+>>>>>>> 21916eefd3 (hardware-and-software-requirements: Add note about supported filesystems (#21379))

hardware-and-software-requirements.md

@@ -166,7 +166,7 @@ You can deploy and run TiDB on the 64-bit generic hardware server platform in th
 
 | Component | CPU     | Memory | Local Storage  | Network  | Number of Instances (Minimum Requirement) |
 | :------: | :-----: | :-----: | :----------: | :------: | :----------------: |
-| TiDB    | 8 core+   | 16 GB+  | [Disk space requirements](#disk-space-requirements) | Gigabit network card | 1 (can be deployed on the same machine with PD)      |
+| TiDB    | 8 core+   | 16 GB+  | [Storage requirements](#storage-requirements) | Gigabit network card | 1 (can be deployed on the same machine with PD)      |
 | PD      | 4 core+   | 8 GB+  | SAS, 200 GB+ | Gigabit network card | 1 (can be deployed on the same machine with TiDB)       |
 | TiKV    | 8 core+   | 32 GB+  | SAS, 200 GB+ | Gigabit network card | 3       |
 | TiFlash | 32 core+  | 64 GB+  | SSD, 200 GB+ | Gigabit network card | 1     |
@@ -242,7 +242,7 @@ As an open-source distributed SQL database, TiDB requires the following network
 | Alertmanager | 9093 | the port for the alert web service |
 | Alertmanager | 9094 | the alert communication port |
 
-## Disk space requirements
+## Storage requirements
 
 <table>
 <thead>
@@ -286,6 +286,8 @@ As an open-source distributed SQL database, TiDB requires the following network
 </tbody>
 </table>
 
+TiDB supports the XFS and Ext4 file systems. Other file systems are not recommended for production environments.  
+
 ## Web browser requirements
 
 TiDB relies on [Grafana](https://grafana.com/) to provide visualization of database metrics. A recent version of Internet Explorer, Chrome or Firefox with Javascript enabled is sufficient.