Overview, System structure, Understanding raid levels – Accusys RAID Controller ACS-77100 User Manual

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User’s Manual

1. Introduction to the ACS-77100

1.1. Overview

The ACS-77100 RAID controller provides RAID 0 (striping), RAID 10 (Striping and mirroring)
and RAID 5 (striping with parity) for you to construct a disk array optimized for performance or
reliability. By connecting the SATA cables between the ACS-77100 and the disks, a RAID
solution can be easily built.
The ACS-77100 controller is equipped with Java-based GUI (graphical user interface)
monitoring program, by which users can easily monitor the RAID status from web browsers at a
remote site. The monitoring program is also capable of sending out notification mail to users so
that users can always be informed of the updated status of the device.

1.2. System Structure

An internal or external RAID subsystem can be built by integrating RAID controller (with LCD
module), back-plane (or disk board for disk hot-swapping), connectors for out-band connection
(eSATA/SATA host connector, DB9 connector for COM port), a selector for RAID level
configuration, power supply, fan and all internal cables. Customer should provide the materials
beside the RAID controller.

PWR1 Power connector CN4 Button connector CN7 Host I/F

CN2 BP I/F (LED, I2C) CN5 Disk I/F

CN8 COM and RAID configuration I/F

CN3 LCD

connector

CN6 Dick I/F

CN9 FAN connector

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