Table 2.2 Acp Specifications - Hitachi 9900 User And Reference Manual

Table 2.2 ACP Specifications
Description
Number of ACP pairs
Backend paths per ACP pair
Backend paths per subsystem
Array group (or parity group) type per ACP pair
Hard disk drive type per ACP pair
Logical device emulation type within ACP pair
Backend array interface type
Backend interface transfer rate (burst rate)
Maximum concurrent backend operations per ACP pair
Maximum concurrent backend operations per subsystem
HiStar Network architecture internal bandwidth
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.
20 Chapter 2 Subsystem Architecture and Components
Specification for 9960
1, 2, 3 or 4
8
8, 16, 24 or 32
RAID-1 and/or RAID-5
[1]
18 GB, 47 GB, 73 GB, 146 GB, 180 GB
3380-x, 3390-x, and OPEN-x
Fibre-channel arbitrated loop (FC-AL)
100 MB/sec (1 Gbps)
8
32
1.6 or 3.2 GB/sec
Specification for 9910
1
8
[2]
[3]
8
1.6 GB/sec