Hitachi 9900 Series User Manual
vii
Table of Figures
Figure 1
The 9960 provides for exploding growth and data consolidation while the 9910
provides for managed growth and open system exploitation. ................................................2
provides for managed growth and open system exploitation. ................................................2
Figure 2
The Hitachi Lightning 9960 Series’ Hi-Star internal switched-fabric architecture.................3
Figure 3
System block diagram of the 7700E’s shared bus architecture. ..............................................4
Figure 4
A 9960 Control Frame and its major components. ..............................................................7
Figure 5
A 9960 Array Frame with its major components...................................................................8
Figure 6
A power supply module of a Lightning 9900 Series system...................................................9
Figure 7
A 9910 single-cabinet storage subsystem. ............................................................................10
Figure 8
Fibre Channel and ESCON or FICON adapter boards connect to open systems and
mainframe computers. ........................................................................................................11
mainframe computers. ........................................................................................................11
Figure 9
A Fibre Channel host adapter board and its major hardware components...........................12
Figure 10
An ESCON host adaper board and its major hardware components...................................13
Figure 11
A 9960 system connected to Mainframes and Open Systems hosts.....................................14
Figure 12
The Cache Hierarchical Star Network (C-HSN) provides fully redundant switched
access to cache from all channel adapters. ..........................................................................15
Figure 13
The CSW and CARBs provide non-blocking channel access to all cache...........................16
Figure 14
A shared-bus architecture is limited to two simultaneous I/O operations. ..........................17
Figure 15
The Lightning 9900 Series Hi-Star architecture allows for 16 parallel I/Os to cache
through four interconnecting cache switches.......................................................................17
Figure 16
Separate redundant control memory handles the exchange of control information between
processors and cache memory about the status, location, and configuration of data. ..........19
processors and cache memory about the status, location, and configuration of data. ..........19
Figure 17
Functional diagram of a Lightning 9900 Series ACP pair. ..................................................21
Figure 18
Functional diagram of an Array Group with FC-AL disks. ................................................22
Figure 19
Diagram of four ACP pairs and 32 FC-AL back-end disks. ................................................22
Figure 20
The Lightning 9900 Series Systems are available with RAID-1+ and RAID-5 arrays. ........24
Figure 21
The Lightning 9900 offers a far more complete range of availability protection than
competitive products. ........................................................................................................26
Figure 22
Hitachi Dynamic Link Manager automatically provides path failover and load balancing
for open systems. ................................................................................................................28
for open systems. ................................................................................................................28
Figure 23
Test results show the advantages of the 9960 HiStar architecture when compared to a
shared bus architecture. ......................................................................................................31
shared bus architecture. ......................................................................................................31
Figure 24
Hitachi Data Systems offers a broad range of remote copy, data duplication, and data
migration software solutions. ..............................................................................................34
migration software solutions. ..............................................................................................34
Figure 25
HiCommand allows management of virtually all Hitachi hardware and software from
the customer’s platform of choice. ......................................................................................38
the customer’s platform of choice. ......................................................................................38
Figure 26
The GUI interface on Hitachi Graph-Track simplifies performance management. ............41