: This sequence represents the version number of the software. Breaking it down:
The exact of your IBM storage unit (e.g., DS3512, DS3524). Your current controller firmware version . disk-sm-windows-x64-jun-2015-version-11.20.x5.10
This has a massive operational implication: If a storage subsystem is attached to any 32-bit Windows hosts, upgrading its controller firmware to 7.86.32.00 or later will render those 32-bit hosts unable to communicate with the storage. The official documentation is explicit: : This sequence represents the version number of