Ultra High Performance Storage on Oracle Linux Release 6 (OL6) is Not Supported
APPLIES TO
Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 7.0 and later
SYMPTOMS
Unable to add UHP storage on Oracle Linux 6 systems. This issue is severely limiting database performance on production database systems.
CAUSES
Ultra High Performance (UHP) to work Custom Image Configuration should Support Multipath-Enabled iSCSI Attachments, the Unbreakable Enterprise Kernel (UEK) version must be UEK6U1 or higher. The UEK6U1 UEK is associated with the kernel major release version 5.4.17-2036, released in November 2020.
SOLUTION:
kindly review the prerequisite document below specifically on shape and supported images.