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easyRAID

S16-U

Ultra 320 SCSI to Serial ATA

Disk Array System

easyRAID

S16-F2R4

Fibre Channel to Serial ATA

Disk Array System

Hardware User Manual

Содержание S16-F2R4

Страница 1: ...easyRAID S16 U4R4 Ultra 320 SCSI to Serial ATA Disk Array System easyRAID S16 F2R4 Fibre Channel to Serial ATA Disk Array System Hardware User Manual ...

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Страница 3: ...gs 8 Host Interface 8 Hard Disks 9 Chapter 2 Basic Configuration Unpacking 11 Components 12 Front View 12 Disk Tray 13 Rear View 14 Installing Disks 15 Making Connections 18 Connecting the Host Interface 18 Connecting the RS 232 Cable 19 Connecting and Turning on the Power 20 Chapter 3 Maintenance Replacing a Disk 21 Replacing a Power Supply 22 Replacing a Fan 24 Upgrading Memory 26 Appendix Hardw...

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Страница 5: ...tion 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 of the company 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...

Страница 6: ... 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 an...

Страница 7: ...ject into the disk array system through 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 attem...

Страница 8: ... 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 system ...

Страница 9: ...in the disk array system is backed by a three year warranty A high data access rate is achieved by combining the individual data rates of serial ATA disks in a RAID configuration Serial ATA disks lack some of the features of SCSI disks but are just as fast when used with a high performance RAID controller In the disk array system RAID is con trolled by a high performance CPU which transfers data t...

Страница 10: ... Hot spare disk and automatic on line rebuild Up to 16 hot swap serial ATA disks for a total capacity of 3 5 TB terabytes Three hot swap power supplies if one fails the others take over without interruption Two hot swap fans with intelligent speed and temperature management Sixteen 150 MB s serial ATA channels Fast 64 bit RISC CPU based RAID controller with up to 1 GB of cache in an SO DIMM Dual U...

Страница 11: ...e the user only sees one logical disk JBOD doesn t improve data availability or access rate when compared with a single disk RAID Levels The overall arrangement of disks in RAID is called the RAID level Read this section to under stand RAID levels RAID 0 In RAID 0 data is divided into pieces and written to all disks in parallel This process is called striping because the pieces of data form a stri...

Страница 12: ...tes A RAID 0 array is not useful in the following situations Applications that make sequential requests for small amounts of data These applications spend most of their I O time waiting for disks to spin whether or not they use striped arrays Applications that make synchronous random requests for small amounts of data RAID 1 In RAID 1 data is duplicated on two or more disks to provide high access ...

Страница 13: ...d data availability The sin gle parity disk is a bottleneck on sequential writes since parity must always be written to the sin gle parity disk RAID 3 consists of two or more disks used for data and one disk used for fault tolerant data The total capacity of RAID 3 is the sum of the capacities of each data disk Add disks until the desired capacity is reached then add one more disk for fault tolera...

Страница 14: ...t tol erence The total capacity of RAID 5 is the sum of the capacities of each data disk Add disks until the desired capacity is reached then add one more disk for fault tolerance RAID 5 is best used with applications whose data has the following characteristics The data is worth protecting but not as much as in a RAID 1 configuration High read data rates Small proportion of writes to reads Hot Sp...

Страница 15: ... 3 Between67 for 3 disks to 94 for 16 disks Data is divided into pieces the parity of these pieces is calcu lated and the pieces are written to separate disks in parallel with the writing of the parity to a dedi cated disk RAID 5 3 3 5 Between67 for 3 disks to 94 for 16 disks Data is divided into pieces the parity of these pieces is calcu lated and the pieces and parity are written to separate dis...

Страница 16: ...wer 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 settings Host Interface The disk array system has either dual SCSI...

Страница 17: ...r and opti cal cable the following transmission distances can be achieved Hard Disks Supply the number of serial ATA disks needed for your application Refer to Understanding RAID on page 3 to determine the number of disks needed 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...

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Страница 19: ... Unpacking Contact your supplier if any of the following items are missing or damaged Caution The disk array system is heavy Be careful when lifting and moving it Active Terminator ERX16S U4R4 Power Cables Disk Tray Keys Ultra320 SCSI Cable ERX16S U4R4 Only User Manual Disk Array System RS 232 Cable ...

Страница 20: ... menus 20 Escape function button Returns to the previous LCD menu without making changes 21 Enter function button Selects a menu item or confirms a choice or entry 22 Power on indicator green Indicates the disk array system power is on 23 Power supply fail indicator red Indicates a failed power supply 24 Host computer access indicator Indicates data transfer between the disk array sys tem and the ...

Страница 21: ... included with the disk 2 Tray lock Prevents unauthorized removal of a disk tray Open 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 when orange 1 1 2 5 4 3 Front Top Left Right ...

Страница 22: ...Connects to the host server Found only on the ERX16S U4R4 6 ERX16S U4R4 Host Port 1 Primary SCSI channel Connects to the host server Found only on the ERX16S U4R4 7 Main Power Switch Turns the main power on or off 8 Power Supply 1 Removable redundant power supply 1 9 Power Supply 2 Removable redundant power supply 2 10 Power Supply 3 Removable redundant power supply 3 11 Fan 1 Removable redundant ...

Страница 23: ...nstalling Disks Installing Disks This section describes how to install disks in the disk array system Read Understanding RAID on page 3 to decide how many disks are required 1 Unlock the disk tray 2 Pull the disk tray handle to the open position 3 Pull the disk tray out ...

Страница 24: ...the disk into the disk tray The disk should face up with the connectors directed toward the open rear of the tray 5 Align the rear of the disk with the rear of the disk tray 6 Attach the disk to the disk tray with the screws that came with the disk 7 Insert the disk tray back into the empty slot ...

Страница 25: ...D S16 Serial ATA Disk Array Systems 17 2 Basic Configuration Installing Disks 8 Push the disk tray handle closed 9 Lock the disk tray 10 Repeat steps 1 to 9 until all of the required disks have been installed ...

Страница 26: ...dual SCSI interfaces or dual fibre channel interfaces Refer to the following sections to make host interface connections Small Computer Systems Interface The ERX16S U4R4 has dual Ultra320 SCSI interfaces Follow these instructions to make con nections 1 Connect the active SCSI terminator A to the bottom connector of the ERX16S U4R4 host port 1 primary SCSI channel at the rear of the disk array syst...

Страница 27: ...ti cal or copper transceivers and cables Follow these instructions to make optical connections 1 Insert the LC Optical SFP transceiver A in to the ERX16S F2R4 host port 1 primary fibre channel at the rear of the disk array system 2 Connect the optical cable B to the LC Optical SFP transceiver A Connecting the RS 232 Cable Connect the supplied RS 232 cable to the RS 232 port at the rear of the unit...

Страница 28: ...ond and third power cables to the power supply 2 and 3 connectors at the rear of the unit Each power supply on indicator LED glows red when the second and third power supplies are connected 3 Press the disk array system main power switch B to the ON position All power supply on indicator LEDs glow green and disk array system automatically begins the self test sequence Note The system is equipped w...

Страница 29: ... face up with the connec tors directed toward the open rear of the tray 5 Align the rear of the disk with the rear of the disk tray 6 Attach the disk to the disk tray with the screws that came with the disk 7 Insert the disk tray back into the empty slot then close the tray handle 8 Lock the disk tray The disk array automatically begins rebuilding the RAID Note Turn off the audible alert by pressi...

Страница 30: ... refers to power supply 1 2 or 3 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 instructions to replace a failed power sup ply 1 Identify the power supply that has failed 2 Unplug the power cable connected to the failed power supply unit Note Turn off the audible alert by p...

Страница 31: ... A and pull the power supply handle B out at the same time 4 Remove the power supply unit 5 Insert a new power supply unit in the empty power supply unit slot The power supply automatically locks into position when fully inserted 6 Reconnect the power cable The Power supply On indicator LED glows green 1 2 3 A B 1 2 3 1 2 3 ...

Страница 32: ...rted and removed while the disk array is powered on and operating Follow these instructions to replace a failed fan 1 Identify the fan that has failed 2 Loosen the fan enclosure thumbscrew then open the fan enclosure to a 90º angle Note Turn off the audible alert by pressing the Up and Down function but tons on the front panel twice simultaneously Caution High speed rotating fan blades can cause i...

Страница 33: ...ng a Fan 3 Remove the fan from the fan enclosure then insert a new fan in the fan enclosure 4 Close the fan enclosure then tighten the fan enclosure thumbscrew Caution The fan will begin rotating immediately after it is plugged in Keep your fingers away from the blades ...

Страница 34: ...ory The disk array system takes a single 200 pin PC200 DDR SDRAM SO DIMM with a maximum capacity of 1 GB Follow these instructions to upgrade the memory 1 Remove the six screws from the ERX16S U4R4 top cover as illustrated 2 Slide the top cover toward the rear of the unit then lift the cover ...

Страница 35: ...easyRAID S16 Serial ATA Disk Array Systems 27 3 Maintenance Upgrading Memory 3 Carefully lift the daughterboard from the array group controller Daughterboard Array group controller ...

Страница 36: ...ps away from the DIMM the DIMM springs out of the socket Remove the DIMM 5 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 ...

Страница 37: ...yRAID S16 Serial ATA Disk Array Systems 29 3 Maintenance Upgrading Memory 6 Replace the daughterboard on the array group controller taking care to align the connec tors Daughterboard Array group controller ...

Страница 38: ... Disk Array Systems 3 Maintenance Upgrading Memory 7 Place the top cover on the disk array system then slide the top forward into the closed position 8 Replace the six screws to fix the top cover on the disk array system chassis ...

Страница 39: ...panel operation indicator Audible alarm disable alarm Optional battery backup for disk array status LED indicator on disk failures Connectors 4 x Ultra320 SCSI ports ERX16S U4R4 or 2 x 2 Gbit Fibre Channel ports ERX16S F2R4 1 x RS 232 Serial port 115200 n 8 1 1 x RJ 45 Ethernet port 10 Mbps Power Supply 600W 2 1 redundant 90 264 VAC 47 63 Hz 10 Over voltage current power and short circuit protecti...

Страница 40: ...ets 1 Memory Size Up to 1 GB LCD Interface One LCD panel 2 lines by 16 characters Button Interface Up Down ESC Enter and Reset Battery Backup Interface Yes Daughter Board Interface PCI X 64 bit 66 133MHz Backplane Interface connector Compact PCI Disk Channel Support 16 channels Disk Channel Support 16 disks Disk Connector Type Serial ATA Sequence Disk Power On Select by jumper H W power on all dis...

Страница 41: ...dio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful inter ference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Inc...

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