Figure 1-1 HUS VM example storage system
Item Description Item Description
1 Blank space for installation lifter (2U) 2 Controller chassis (CBX)
3 DBX (dense) drive tray (up to 48 LFF
drives) or
DB60 (dense) drive tray (up to 60 LFF
drives)
4 One of the following drives:
• DBS drive tray (up to 24 SFF drives each)
• DBL drive tray (up to 12 LFF drives each)
• DBF drive tray (up to 12 FMD drives each)
5 Blank space (1U)
Controller chassis
The 5U high controller chassis contains six types of pluggable modules, as
shown and described in the following illustrations and tables. The controller
provides system logic and control, memory, and monitoring, as well as the
interfaces and connections to data drives and host servers.
Introduction
1-3
Hitachi Unified Storage VM Block Module Hardware User Guide