B–2
Hitachi Simple Modular Storage 100 User’s Guide
Mechanical Specifications
The following table describes the mechanical specifications for the Hitachi
Simple Modular Storage.
•
Table B-1: Disk Drive
Parameter
Specification
Height
1.02 inches (26.1 mm)
Width
4.0 inches (101.6 mm)
Depth
5.78 inches (147 mm)
Drive Capacity (GB)
142.63/287.62/491.27/737.49
Rotational Speed
142.63/287.62 G bytes: 15,000
491.27/737.49 G bytes: 7,200
Maximum Number of Mountable Drives
12 including two repair slots
Spare Disk
1
Table B-2: Host Interface
Parameter
Specification
Interface Type
1 Gbps Ethernet
Maximum Data Transfer Speed to Host
100 Mbytes/Ethernet
Number of iSCSI data ports
1-controller array: 2
2-controller array: 4
Transferred Block Size
512
RAID Level
6
RAID Configuration
4D+2P, 6D+2P, 9D+2P
Flash Memory
16 Mbytes
L2 Cache Memory
512 kbytes
DDR2 SDRAM
512 Mbytes
Data Assurance Method
Data Bus: Parity
Cache Memory: ECC (1 bit for correction,
2 bits for detection)
Disk drive: Data assurance code
Summary of Contents for Simple Modular Storage 100
Page 6: ...vi Hitachi Simple Modular Storage 100 User s Guide ...
Page 14: ...xiv Preface Hitachi Simple Modular Storage 100 User s Guide ...
Page 24: ...1 10 Introduction Hitachi Simple Modular Storage 100 User s Guide ...
Page 34: ...2 10 Identifying Hardware Components Hitachi Simple Modular Storage 100 User s Guide ...
Page 66: ...4 10 Maintaining Your Array Hitachi Simple Modular Storage 100 User s Guide ...
Page 78: ...5 12 Troubleshooting Hitachi Simple Modular Storage 100 User s Guide ...
Page 82: ...A 4 Hitachi Simple Modular Storage 100 User s Guide ...
Page 99: ...1 Hitachi Simple Modular Storage 100 User s Guide ...