Merge pull request #56660 from mjpytlak/bz-1976294

BZ#1976294: Added prereq to confirm disk is enabled for multipathing

Author: mjpytlak

modules/rhcos-enabling-multipath-day-2.adoc

@@ -21,6 +21,7 @@ On {ibmzProductName} and {linuxoneProductName}, you can enable multipathing only
 .Prerequisites
 * You have a running {product-title} cluster that uses version 4.7 or later.
 * You are logged in to the cluster as a user with administrative privileges.
+* You have confirmed that the disk is enabled for multipathing. Multipathing is only supported on hosts that are connected to a SAN via an HBA adapter.
 
 .Procedure