Chapter 3: Connecting Hosts
Connect the Chassis to Hosts
qualified SFF-8644 to SFF-8644 cable option when connecting to a 12 Gbit/s host. Use a qualified SFF-
8644 to SFF-8088 option when connecting to a supported 6 Gbit/s host.
Connecting Direct Attach Configurations
Table 8 below provides the available Hybrid QXS Supported Configurations.
Table 8: Available QXS Systems
Product
QXS-312
QXS-324
QXS-412
QXS-424
QXS-448
QXS-456
QXS-648
QXS-656
Note 1: Always consider the max drive number when mixing different chassis combinations.
Note 2: It is impossible to identify all possible chassis combinations within the hybrid QXS supported
configurations.
Connect appropriate cables from the server's HBAs to the controller module's host ports as described
below, and shown in the following illustrations.
Fibre Chanel Host Connection
To connect to the QXS-3, QXS-4, and QXS-6 Series storage RAID chassis supporting (4/8/16 Gb) FC host
interface ports to a server HBA or switch—using the controller's CNC ports—select a qualified FC SFP
option.
Qualified options support cable lengths of 1 m (3.28'), 2 m (6.56'), 5 m (16.40'), 15 m (49.21'), 30 m (98.43'),
and 50 m (164.04') for OM4 multimode optical cables and OM3 multimode FC cables, respectively. A 0.5 m
(1.64') cable length is also supported for OM3. In addition to providing host connection, these cables are
used for connecting a local storage system to a remote storage system via a switch, to facilitate use of the
optional replication feature.
QX and QXS Setup Guide
Chassis
2U12
2U24
2U12
2U24
2U48
4U56 (4) & 2U12 (2)
2U48
4U56 (4) & 2U12 (2)
Max Chassis
4
4
8
8
4
6
4
8
Max Drives
48
96
96
192
192
248
192
248
98
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