11
Hard Drive Installation Prerequisites .......................................................... 39
Installing the Hard Drive into Drive Tray ..................................................... 42
Installing the Hard Drive Tray into the Enclosure ....................................... 43
Installing CBM (optional, 3012 & 3016 models only) ................................. 47
Supercapacitor Installation Notes .............................................................. 47
Supercapacitor Installation Steps ............................................................... 47
System Connection ......................................................... 53
General Considerations on Making Connections ....................................... 53
Maximum Concurrent Host LUN Connection (“Nexus” in SCSI) ................. 55
Maximum Queued I/O Count ..................................................................... 55
DAS (Direct-Attached) Connection ............................................................ 60
Switched Fabric Connection ...................................................................... 62
DAS (Direct-Attached Storage) Connection with Redundant Host Path ..... 64
DAS (Direct-Attached Storage) Connection to Two Servers ....................... 65
Network & Host Connection Topologies ..................................................... 67
Single-Controller with Fault-Tolerant Path .................................................. 68
Expansion Enclosure Connections ............................................................ 69
SAS Expansion Enclosure Configuration ................................................... 69