Galaxy Metal Gear 65 manual Loop Resiliency Circuit Input/Output Module FC-AL

Galaxy 65 User Guide

Table 1–1	Ops Panel Switch Functions (Default settings for Galaxy 65 LRC usage at 2Gb/s)
Switch	Function	Recommended			Definition
Number			Setting
1	Loop Select,		Off		LRC operates on two loops of 8 drives
	Dual (2x8)				Mandatory
2	Not Used	Note: on Galaxy 65-FC2 enclosures this must be set On.
3	Not Used
4	Not Used
5 & 6	Not Used
7 & 8	Drive Loop Speed	Sw7		Sw8
	Select
		On		Off	Force 2Gb/s
		Off		Off	Force 1Gb/s
9 & 10	Drive Addressing	Sw9		Sw10
	Mode Selection
		On		Off	Mode 2, 2x8 mode. Mandatory
11	SOFT SELECT		On		Select Functions using the hardware
					switches
12	Not Used

Caution All mandatory settings must be observed in order for the Galaxy 65 system to function correctly. Note To set Host 1Gb use the Ethernet connected configurator.

1.3.3 Loop Resiliency Circuit Input/Output Module (FC-AL)

The Galaxy 65 storage Subsystem includes an enclosure with rear facing bays which house two Loop Resiliency Circuit (LRC) I/O modules with integrated Rorke Data Galaxy 65 RAID controller, known as Storage Managers (SM) modules. (see Figure 1–3)

The FC-AL Backplane incorporates two independent loops formed by Port Bypass Circuits within the LRC I/O modules.

The plug-in SM modules have been designed for integration into a Galaxy 65 storage Subsystem, utilizing FCAL interfacing with the host computer system.

Processors housed on the LRC modules provide enclosure management and interface to devices on the Backplane, PSU, LRC and Ops Panel, to monitor internal functions. These processors operate in a master slave configuration to allow failover.

The module incorporates the following LED indicators, shown in Figure 1–7:

•Host Port 0 Signal Good (Green)

•Host Port 1 Signal Good (Green)

•Expansion Port 0 Rx Good (Green)

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