Adaptec 1966600 User Guide - Page 51

Connecting the SCSI RAID Appliance to the Host System, Operating Mode, Number of, Controllers

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Installing the DuraStor Storage Subsystem Connecting the SCSI RAID Appliance to the Host System This section explains how to connect the DuraStor SCSI RAID appliance to the host system in one of four operating modes: s Stand-alone single-port mode. See page 3-18. s Stand-alone dual-port mode. See page 3-19. s Active-active single-port mode. See page 3-20. s Active-passive dual-port mode. See page 3-21. Table 3-1 provides an overview of each operating mode. Table 3-1 DuraStor 6220SS Operating Mode Summary Operating Mode Stand-alone single-port Stand-alone dual-port Active-active single-port Active-passive dual-port Number of Controllers 1 1 2 2 Number of Active Host Ports per Controller 1 Number of Disk Channels 3 2 2 1 2 2 (on active 2 controller only) Refer to Adaptec Storage Manager Pro User's Guide or Adaptec Disk Array Administrator User's Guide for more detailed information about each operating mode. 3-17

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3-17
Installing the DuraStor Storage Subsystem
Connecting the SCSI RAID Appliance to the Host System
This section explains how to connect the DuraStor SCSI RAID
appliance to the host system in one of four operating modes:
■
Stand-alone single-port mode. See
page 3-18
.
■
Stand-alone dual-port mode. See
page 3-19
.
■
Active-active single-port mode. See
page 3-20
.
■
Active-passive dual-port mode. See
page 3-21
.
Table 3-1
provides an overview of each operating mode.
Refer to
Adaptec Storage Manager Pro User’s Guide
or
Adaptec Disk
Array Administrator User’s Guide
for more detailed information
about each operating mode.
Table 3-1
DuraStor 6220SS Operating Mode Summary
Operating Mode
Number of
Controllers
Number of Active
Host Ports per
Controller
Number of Disk
Channels
Stand-alone
single-port
1
1
3
Stand-alone
dual-port
1
2
2
Active-active
single-port
2
1
2
Active-passive
dual-port
2
2 (on active
controller only)
2