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easyRAID S8A2-U4TT 

Serial ATA Disk Array Systems

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Disk Tray

No.

Name

Description

1

Disk mounting holes

Allows the disk be mounted on the disk tray with the 
screws included with the disk.

2

Tray lock

Prevents unauthorized removal of a disk tray. Opened 
with the included disk tray lock key.

3

Tray handle

Releases the disk tray.

4

Power/Error indicator LED

Indicates normal operation of the disk when green, or 
an error or failure of the disk when red.

5

Access indicator LED

Indicates that the disk is being accessed.

1

1

2

5

4

3

Front

Top

Left

Right

Summary of Contents for S8A2-U4TT

Page 1: ...Ultra 320 SCSI to Serial ATA Disk Array Systems Version 1 0 easyRAID S8A2 U4TT Hardware User Manual ...

Page 2: ......

Page 3: ...ESC Enter easyRAID S8A2 U4TT Ultra 320 SCSI to Serial ATA Disk Array System Hardware User Manual ...

Page 4: ......

Page 5: ...n Unpacking 3 Components 4 Front View 4 Control Panel 5 Disk Tray 6 Rear View 7 Installing Disks 8 Making Connections 10 Connecting the Host Interface 10 Connecting the RS 232 Cable 11 Connecting and Turning on the Power 12 Chapter 3 Maintenance Replacing a Disk 13 Replacing a Power Supply 14 Upgrading Memory 16 Replacing a Fan 19 Appendix Hardware Specifications 23 ...

Page 6: ......

Page 7: ...cumentation are protected by copyright and are distributed under licenses restricting their use copying and distribution No part of this documentation may be reproduced in any form by any means without prior written authorization and its licensors if any Conventions Caution This symbol is used to remind users to pay attention to important descriptions regarding usage and maintenance repair or addi...

Page 8: ...the disk array system on an unstable cart stand or table It may fall causing serious damage to the product Keep the disk array system away from magnetic forces Do not use the disk array system near water Keep the disk array system away from dust sand or dirt Gaps and openings in the cabinet are provided for venti lation Never block or cover these openings because the disk array system may overheat...

Page 9: ...h cabinet gaps and openings since they may touch dangerous voltage points and cause a risk of fire or electric shock Unplug the power cord from the wall outlet before clean ing Keep the disk array system dry Do not use liquid cleaners aerosol cleaners or a wet cloth Use a damp cloth for cleaning Except as specifically explained in this User Manual do not attempt to service the disk array system by...

Page 10: ...nce To reduce the possibility of data errors caused by electromagnetic interference locate the disk array system at least five feet away from electrical appliances and equipment that generates magnetic fields Power Supply Safety Notes To avoid electric shocks do not use an extended power cord or an outlet that does not match the disk array system plug or leaves the plug exposed The disk array syst...

Page 11: ... magnetic fields such as those generated by a high voltage power cables and motors etc no direct sunlight a flat stable surface capable of supporting the disk array system VT100 Terminal Settings Refer to the following table for a summary of VT100 terminal settings required to communicate with the disk array system Refer to your system manual for instructions on setting up the VT100 terminal setti...

Page 12: ...RAIS S8A2 U4TT has dual Ultra320 SCSI interfaces that are compatible with previous SCSI standards Refer to the following table to understand SCSI bus requirements Note Subtract the internal cable length 60 cm from the maximum SCSI bus length to calculate the maximum external SCSI cable length SCSI Standard Maximum SCSI Bus Length in Meters Data Rate in Megabytes per Second Maximum Number of Device...

Page 13: ...d Caution The disk array system is heavy Be careful when lifting and moving it Software User Manual ESC Enter Hard ware User Manual easyRAID S8A2 U4TT Ultra320 SCSI to Serial ATA Disk Array Sys tem ESC Enter easyRAID S8A2 U4TT Ultra320 SCSI to Serial ATA Disk Array Sys tem Power Cables Front Panel Keys HW SW User Manual Disk Array System RS 232 Cable Ultra320 SCSI Cable Terminator ...

Page 14: ...isk Array Systems 2 Basic Configuration Components Components Front View No Name Description 1 8 Disk trays 1 to 8 Removable hot swap disk trays 9 Control panel Displays warning operating and configuration information 1 2 3 4 5 6 7 8 9 ...

Page 15: ...Escape button Returns to the previous LCD menu without making changes 4 Power on indicator Indicates the disk array system power is on 5 Power supply fail indicator Indicates a failed power supply 6 Host computer access indicator Indicates data transfer between the disk array sys tem and the host computer 7 Down button Moves down in the LCD menus 8 Enter button Selects a menu item or confirms a ch...

Page 16: ...e screws included with the disk 2 Tray lock Prevents unauthorized removal of a disk tray Opened with the included disk tray lock key 3 Tray handle Releases the disk tray 4 Power Error indicator LED Indicates normal operation of the disk when green or an error or failure of the disk when red 5 Access indicator LED Indicates that the disk is being accessed 1 1 2 5 4 3 Front Top Left Right ...

Page 17: ... Connects to the host server 4 Power Supply 2 Removable redundant power supply 2 5 Hot Swap Power Supply Release Allows the power supply to be released 6 Power Supply AC In Connects to a 110 240 VAC power source 7 Power Supply Handle Allows the power supply to be removed 8 Host Port 2 Secondary SCSI channel Connects to the host server 9 Fan 1 Removable redundant fan 1 10 Fan 2 Removable redundant ...

Page 18: ...disks in the disk array system 1 Unlock the disk tray A then pull the disk tray handle to the opened position B and remove the disk tray C 2 Insert the disk into the disk tray The disk should face up with the connectors directed toward the open rear of the tray 3 Align the back of the disk with the back of the disk tray ESC Enter ESC Enter A B C ...

Page 19: ... 4 Attach the disk to the disk tray with the screws supplied by the disk supplier 5 Slide the disk tray back into the empty slot A push the disk tray handle closed B then lock the disk tray C 6 Repeat these steps until all of the required disks have been installed ESC Enter ESC Enter A B C ...

Page 20: ...stem has dual SCSI interfaces Refer to the following sections to make host interface connections Small Computer Systems Interface The easyRAID S8A2 U4TT has dual Ultra320 SCSI interfaces Follow these instructions to make connections 1 Connect the active SCSI terminator to the bottom connector of the easyRAID S8A2 U4TT host port 2 Secondary SCSI channel at the rear of the disk array system 2 Connec...

Page 21: ...easyRAID S8A2 U4TT Serial ATA Disk Array Systems 11 2 Basic Configuration Making Connections Connecting the RS 232 Cable Connect the supplied RS 232 cable to the RS 232 port at the rear of the unit ...

Page 22: ...ble to a power supply connector at the rear of the unit 2 Connect the second power cable to the remaining power supply connector 3 Press the disk array system power switch to the ON position The disk array system auto matically begins the self test sequence Note The system is equipped with auto switching power supplies that can run on 100 to 240 VAC ...

Page 23: ... the disk tray 4 Align the rear of the new disk with the rear of the disk tray 5 Insert the new disk into the disk tray 6 Attach the disk to the disk tray with the screws that came with the disk 7 Slide the disk tray back into the empty slot then close the disk tray handle 8 Lock the disk tray with the key Note Turn off the audible alert by pressing the Up and Down function but tons on the front p...

Page 24: ...lure also appears on the LCD panel where x refers to power supply 1 or 2 and an audible alert sounds Power supplies are hot swappable which means that they can be inserted and removed while the disk array is powered on and operating Follow these steps to replace a failed power supply 1 Identify the power supply that has failed Note Turn off the audible alert by pressing the Up and Down buttons on ...

Page 25: ...tenance Replacing a Power Supply 2 Unplug the power cable connected to the failed power supply unit 3 Push the power supply release switch A in the direction illustrated and pull the power supply handle out B at the same time 4 Remove the power supply unit A B ...

Page 26: ...er supply automatically locks into position when fully inserted 6 Reconnect the power cable Upgrading Memory The disk array system takes a single 200 pin DIMM with a maximum capacity of 1 GB Follow these instructions to upgrade the memory 1 Remove the three screws from the disk array system cover then slide the cover away from the front panel and lift it off ...

Page 27: ...ps away from the DIMM then remove the DIMM The DIMM springs out of the socket 3 Gently push the new DIMM into the socket at 45 degrees then push the corners of the DIMM down The DIMM is secured by the DIMM socket retaining clips Note The DIMM module will fit in only one direction Do not force the DIMM into place ...

Page 28: ...RAID S8A2 U4TT Serial ATA Disk Array Systems 3 Maintenance Upgrading Memory 4 Place the top cover on the disk array system slide it shut then replace the three screws to fix the cover on the disk array system ...

Page 29: ... LCD panel message Fan x failure where x refers to Fan 1 or Fan 2 An audible alert also sounds Follow these instructions to replace a failed fan 1 Identify the fan that has failed Note Turn off the audible alert by pressing the Up and Down function but tons on the front panel twice simultaneously Host Port 2 Host Port 1 Fan 1 Fan 2 ...

Page 30: ...humbscrews then pull the fan enclosure out of the chassis 3 Unplug the power connector remove the screws then remove the failed fan Caution High speed rotating fan blades can cause injury Wait until both fans have stopped completely before removing either of them Host Port 1 Host Port 2 Host Port 1 Host Port 2 ...

Page 31: ... screws removed in the previous step then insert the power connector 5 Insert the fan enclosure into the chassis then tighten the fan enclosure thumbscrews Caution The fan will begin rotating immediately after it is plugged in Keep your fingers away from the blades Host Port 1 Host Port 2 Host Port 1 Host Port 2 ...

Page 32: ...22 easyRAID S8A2 U4TT Serial ATA Disk Array Systems 3 Maintenance Replacing a Fan ...

Page 33: ...ent Up to 1GB DDR SDRAM LCD panel operation indicator Audible alarm disable alarm LED indicator on disk failures Connectors 4 x Ultra320 SCSI ports 2 channels 1 x RS 232 Serial port 115200 8 N 1 1 x RJ 45 Ethernet port 10 100 Mbps Power Supply Redundant 300 Watt 100 240 VAC 47 63 Hz 6 3A 10 Over voltage current power and short circuit protection LED indicates power status Operating temperature 5 C...

Page 34: ... II 3 0 Gb s Disk Channels 8 channels Memory Type DDR 333 200 pin DIMM Memory Sockets 1 Memory Size Up to 1 GB Button Interface Up Down Enter and ESC Backplane Interface connector Compact PCI Temperature Sensors 2 Disk Channel Support 8 channels Disk Number Supported 8 disks Disk Connector Type Serial ATA II Temperature Sensors 5 Power Connector Type 2 x Slot 2 Fan Connector Type 4 x Slot 2 ...

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