Docs - require RHEL 8.7 or later due to XFS bug
@@ -23,10 +23,12 @@ This topic describes the Greenplum Database 6 platform and operating system soft
Greenplum Database 6 runs on the following operating system platforms:
-- Red Hat Enterprise Linux 64-bit 8.x (as of Greenplum Database version 6.20)
+- Red Hat Enterprise Linux 64-bit 8.7 or later
- Oracle Linux 64-bit 8, using the Red Hat Compatible Kernel \(RHCK\)
- Rocky Linux 8
+> **Important** A kernel issue in Red Hat Enterprise Linux 8.5 and 8.6 can cause I/O freezes and synchronization problems with XFS filesystems. This issue is fixed in RHEL 8.7. See [RHEL8: xfs_buf deadlock between inode deletion and block allocation](https://access.redhat.com/solutions/6984334).
+
> **Note** Do not install anti-virus software on Greenplum Database hosts as the software might cause extra CPU and IO load that interferes with Greenplum Database operations.
Greenplum Database server supports TLS version 1.2 on RHEL/CentOS systems, and TLS version 1.3 on Ubuntu systems.
