Add info about time sync (#847)

Adds a checklist item to software about configuring time
synchronization. Adds a prereq to the multi-node deployment about time
sync.

Closes #778

source/operations/checklists/software.rst

@@ -22,6 +22,11 @@ MinIO Pre-requisites
    * - :octicon:`circle`
      - Servers running a Linux operating system with a 5.x+ kernel, such as Red Hat Enterprise Linux (RHEL) 9 or Ubuntu LTS 20.04+
 
+   * - :opticon:`circle`
+     - A method to synchronize time servers across nodes, such as with ``ntp``, ``timedatectl`` or ``timesyncd``.
+       The method to use varies by operating system.
+       Check with your operating system's documentation for how to synchronize time with a time server.
+
    * - :octicon:`circle` 
      - System administrator access to the remote servers
 
@@ -64,7 +69,6 @@ Post Install Tasks
    :widths: auto
    :width: 100%
 
-
    * - :octicon:`circle` 
      - (optional) Create an :mc:`mc alias` for each server with :mc:`mc alias set` from your local machine for command line access to work with the MinIO deployment from a local machine
 

source/operations/install-deploy-manage/deploy-minio-multi-node-multi-drive.rst

@@ -103,6 +103,15 @@ Local JBOD Storage with Sequential Mounts
    For deployments that *require* using network-attached storage, use
    NFSv4 for best results.
 
+Time Synchronization
+~~~~~~~~~~~~~~~~~~~~
+
+Multi-node systems must maintain synchronized time and date to maintain stable internode operations and interactions.
+Make sure all nodes sync to the same time server regularly.
+Operating systems vary for methods used to synchronize time and date, such as with ``ntp``, ``timedatectl``, or ``timesyncd``.
+
+Check the documentation for your operating system for how to set up and maintain accurate and identical system clock times across nodes.
+
 Considerations
 --------------