Add supported file systems to the requirements page (neo4j#1940)

Author: renetapopova

modules/ROOT/pages/installation/requirements.adoc

@@ -119,7 +119,10 @@ For more information on Red Hat Enterprise Linux Life Cycle, refer to their link
 == Filesystem
 
 For proper ACID behavior, the filesystem must support flush (_fsync_, _fdatasync_).
-See xref:performance/linux-file-system-tuning.adoc[Linux file system tuning] for a discussion on how to configure the filesystem in Linux for optimal performance.
+Since databases can put a high and consistent load on a storage system for a long time, it is recommended to use a file system that has good aging characteristics.
+The EXT4 and XFS file systems are both supported.
+See xref:performance/linux-file-system-tuning.adoc[Linux file system tuning] for details on how to configure the filesystem in Linux for optimal performance.
+
 
 [NOTE]
 ====