After Installation and Initial Setup..................................................................................................................................................................................................45
Array Components.........................................................................................................................47
Array Front Panel.....................................................................................................................................................................................................................................47
Array Rear Panel.......................................................................................................................................................................................................................................47
Shut Down the Array Using the GUI..............................................................................................................................................................................................48
Shut Down the Array Using the CLI...............................................................................................................................................................................................49
Restart the Array......................................................................................................................................................................................................................................49
Array LEDs....................................................................................................................................................................................................................................................49
Drive LEDs...................................................................................................................................................................................................................................51
Power Supply LED..................................................................................................................................................................................................................51
System Information Label....................................................................................................................................................................................................................51
Find the Serial Number of an Array Using the GUI...............................................................................................................................................................52
Find the Serial Number of an Array Using the CLI................................................................................................................................................................52
Controller States and Status..............................................................................................................................................................................................................52
Check Array Model, OS Version, and Operating State Using the GUI.......................................................................................................................53
Check Array Model, OS Version, and Operating State Using the CLI........................................................................................................................53
Install the Expansion Shelf...........................................................................................................55
Connect Power to the Expansion Shelf........................................................................................................................................................................................58
Install OCP Cards in the Controllers..............................................................................................................................................................................................58
Connect and Activate the Expansion Shelf...............................................................................................................................................................................59
Expansion Shelf Components.......................................................................................................62
HPE Alletra 2140 Front Panel..........................................................................................................................................................................................................62
HPE Alletra 2140 Rear Panel............................................................................................................................................................................................................62
Expansion Shelf LEDs............................................................................................................................................................................................................................63
Drive LEDs....................................................................................................................................................................................................................................................64
Maintenance Procedures...............................................................................................................65
Drive Maintenance...................................................................................................................................................................................................................................65
How the Storage Array Handles a Failed Drive.....................................................................................................................................................65
How to Tell that a Drive has Failed..............................................................................................................................................................................65
Replace a Drive (SSD)...........................................................................................................................................................................................................65
Controller Maintenance.........................................................................................................................................................................................................................68
Replace a Controller...............................................................................................................................................................................................................68
Replace a PCIe Card...............................................................................................................................................................................................................76
Replace an SFP Transceiver..............................................................................................................................................................................................84
Replace a Fan.............................................................................................................................................................................................................................85
Replace the USB Boot Device..........................................................................................................................................................................................87
Fail Over a Controller Using the GUI............................................................................................................................................................................90
Fail Over a Controller Using the CLI.............................................................................................................................................................................91
Contents 4