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Altos S700 Series RAID Controller
Introduction
The Altos S700 RAID Controller is a high performance controller,
providing two host fibre channel
and two device fibre channel
interfaces. It is an intelligent, caching controller that supports
RAID levels 0, 1, 3, 5, 0+1, and JBOD. The controller enables
multiple hosts to access an array of disk drives, which can be
configured as one or more virtual storage devices (logical units).
The controller provides continuous access to data in the event of a disk
drive failure. When configured in a dual-active controller system, the
RAID controller also provides continuous access to data in the event of
a controller failure. This dual-active controller system is one in which
two controllers share
access to the same array of disk drives. In the
event of a controller failure, controller operations are assumed
by the surviving controller through a
failover
process. The failed
controller can then be removed and replaced while the system
is online. The new controller resumes processing array
operations in a
failback
process. During failover and failback,
write cache coherency is maintained with the disk drives.
Three circuit boards make up the RAID Controller:
•
Controller:
The controller circuit board contains the main
controller and peripheral functions, including processor, control-
store memory, XOR engine and cache controller, and host and
device fibre channel input/output processors (IOPs).
•
I/O:
The I/O circuit board provides the interface to the disk drive
enclosure (device) and host as well as general support functions. It
also contains the switching power supply, which gen3.3
Vdc and +2.5 Vdc from +5 Vdc, hot-swap circuits, and battery
backup unit (BBU) circuits.
•
Ethernet
1
: The ethernet circuit board provides an ethernet
interface to the controller, and connections for debug and out-of-
band service to the host and device PCI busses.
The RAID Controller requires a minimum of two circuit boards: the
controller and I/O. The controller and I/O
circuit boards are
connected using two 38-pin controlled impedance connectors.
1
This option is not yet available. Please contact your sales person for availabil-
ity information.
Содержание Altos S700 Series
Страница 1: ...Altos S700 Series User s Guide ...
Страница 6: ...Contents vi ...
Страница 16: ...xvi ...
Страница 17: ...Chapter 1 Introduction ...
Страница 24: ...Chapter 1 Introduction 8 Figure 1 1 Altos S700 Series Tower Model ...
Страница 25: ...9 Figure 1 2 Altos S700 Series Rack Model ...
Страница 26: ...Chapter 1 Introduction 10 ...
Страница 27: ...Chapter 2 Installation and Setup ...
Страница 36: ...Chapter 2 Installation and Setup 20 Figure 2 1 Location of Jumpers on LS Module ...
Страница 38: ...Chapter 2 Installation and Setup 22 3 Replace the LS module ...
Страница 43: ...Chapter 3 JBOD Configurations ...
Страница 55: ...Chapter 4 RAID Configurations ...
Страница 66: ...Chapter 4 RAID Configurations 50 Slot 13 16 31 46 61 76 91 106 121 Enclosure ID Drive Slot 0 1 2 3 4 5 6 7 ...
Страница 75: ...Chapter 5 System Monitoring ...
Страница 86: ...Chapter 5 System Monitoring 70 ...
Страница 87: ...Chapter 6 Installing and Removing Components ...
Страница 91: ...75 Figure 6 1 Disk Drive Carrier 18F Cam Lever Push locking tab in this direction to open ...
Страница 93: ...77 Figure 6 2 LS Module 0 1 2 3 4 5 Cam Lever Push locking tab in this direction to open ...
Страница 97: ...Appendix A Safety Statement Translations ...
Страница 105: ...Appendix B Technical Specifications ...
Страница 111: ...Appendix C Configuration Loop Diagram ...
Страница 116: ...Appendix C Configuration Loop Diagram 100 ...
Страница 117: ...Appendix D Upgrading an Altos S700 JBOD Array to a RAID Array ...
Страница 122: ...Appendix D Upgrading an Altos S700 JBOD Array to a RAID Array 106 ...