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20 Chapter
2
Subsystem Architecture and Components
Table 2.2
ACP Specifications
Description
Specification for 9960
Specification for 9910
Number of ACP pairs
1, 2, 3 or 4
1
Backend paths per ACP pair
8
Backend paths per subsystem
8, 16, 24 or 32
8
Array group (or parity group) type per ACP pair
RAID-1 and/or RAID-5
Hard disk drive type per ACP pair
[1]
18 GB, 47 GB, 73 GB, 146 GB, 180 GB
[2]
Logical device emulation type within ACP pair
3380-x, 3390-x, and OPEN-x
[3]
Backend array interface type
Fibre-channel arbitrated loop (FC-AL)
Backend interface transfer rate (burst rate)
100 MB/sec (1 Gbps)
Maximum concurrent backend operations per ACP pair
8
Maximum concurrent backend operations per subsystem
32
8
HiStar Network architecture internal bandwidth
1.6 or 3.2 GB/sec
1.6 GB/sec
Notes:
1. All hard disk drives (HDDs) in an array group (also called parity group) must be the same type. Please contact your Hitachi
Data Systems representative for the latest information on available HDD types.
2. The 180-GB HDDs should not be intermixed with other HDD types in the same array domain (behind the same ACP pair).
See the notes under Table 2.3 for important information on 9900 subsystems which contain 180-GB HDDs.
3. 3390-3 and 3390-3R LVIs cannot be intermixed in the same 9900 subsystem.
Содержание 9900 Series
Страница 1: ...Hitachi Freedom Storage Lightning 9900 User and Reference Guide ...
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Страница 6: ...vi Preface ...
Страница 14: ...xiv Contents ...
Страница 42: ...28 Chapter 2 Subsystem Architecture and Components ...
Страница 132: ...118 Chapter 6 Troubleshooting ...
Страница 134: ...120 Appendix A Unit Conversions ...