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ERQ12-U4R2 & ERQ12-F2R2

Serial ATA Disk Array Systems

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Disk Tray

No.

Name

Description

1

Power/Error indicator LED

Different colors indicate different disk states:

• Blue

–

Disk access

• Green –

Disk online

• Orange –

Disk full

• Red

–

No disk

2

Access indicator LED

Indicates that the disk is being accessed.

3

Tray handle

Releases the disk tray.

4

Push Button

Push the button to release the Disk tray handle.

2

1

Front

3

4

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21
22
23
24
25
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Содержание Q12-F2R2

Страница 1: ...easyRAID Q12 Hardware User Manual Ultra 320 SCSI to Serial ATA Fibre Channel to Serial ATA Disk Array Systems Version 1 0 ...

Страница 2: ...easyRAID Q12 U4R2 Ultra 320 SCSI to Serial ATA Disk Array System easyRAID Q12 F2R2 Fibre Channel to Serial ATA Disk Array System Hardware User Manual ...

Страница 3: ......

Страница 4: ...Disks 9 Chapter 2 Basic Configuration Unpacking 11 Components 12 Closed Front Panel 12 Open Front Panel 13 Disk Tray 14 ERQ12 U4R2 Rear View 15 ERQ12 F2R2 Rear View 16 Installing Disks 17 Making Connections 19 Connecting the Host Interface 19 Connecting a network 21 Connecting and Turning on the Power 22 Mounting in a Rack 23 Installing the Rail Extenders 24 Chapter 3 Maintenance Replacing a Disk ...

Страница 5: ......

Страница 6: ...ts are correct Information and specifications are subject to change without notice Conventions Caution This symbol is used to remind users to pay attention to important descriptions regarding usage and maintenance repair or additional important information related to this disk array system Note This symbol is used to remind users of useful information that can make procedures such as configuration...

Страница 7: ...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...

Страница 8: ... 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 attempt to service the disk a...

Страница 9: ...ance 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 sys...

Страница 10: ...e disk array system is backed by a three year warranty A high data access rate is achieved by combining the individual data rates of SATA disks in a RAID configuration SATA 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 through dual host ...

Страница 11: ...ps On line expansion Allows division of array groups into slices each mapped to a LUN Hot spare disk and automatic on line rebuild Two hot swap power supplies if one fails the others take over without interruption Twelve SATA channels Fast 64 bit RISC CPU based RAID controller with up to 1 GB of DDR cache memory Dual Ultra SCSI ERQ12 U4R2 or fibre channel ERQ12 F2R2 host interfaces Audible alarm d...

Страница 12: ...pletely filled then disk 2 disk 3 and so on until the final disk is full The total capacity of JBOD is the sum of the capacities of each disk Disks are added until the desired total capacity is reached JBOD is used in the following situations Building useful capacity from disks that are too small to be individually useful Making capacity management easier since the user only sees one logical disk ...

Страница 13: ...ables or other structures of read only data for rapid application access This data should be backed up so that it can be recreated in the event of a failure Capturing data from external sources at very high data transfer rates 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...

Страница 14: ...rs good 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 ...

Страница 15: ... used for fault 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 RAID 1 High read data rates Small proportion of writes to reads Hot Spare D...

Страница 16: ...ted on both disks RAID 3 3 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 a...

Страница 17: ...e and oil free environment no large 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 ...

Страница 18: ...inkage to a fibre channel switch or host computer interface card With the correct SFP transceiver and optical cable the following transmission distances can be achieved Hard Disks Supply the number of SATA 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 30 cm from the maximum SCSI bus length to ...

Страница 19: ......

Страница 20: ... ra y Sy ste m H ar dw ar e U se r M an ua l SA 7230 U ltr a3 20 SC SI to Se ria l A TA Di sk Ar ra y Sy ste m SA 7231 Fib re Ch an ne l to Se ria l AT A Dis k Arr ay Sy ste m Ha rdwa re Us er Man ua l SA 7230 Ultra 32 0 SC SI to Se ria l AT A Dis k Arr ay Sy ste m Power Cables Front Panel Keys Hardware and software user Manuals Disk Array System RS 232 Cable Terminator ERQ12 U4R2 Only HPD to HPD ...

Страница 21: ...ply fail indicator Indicates a failed power supply 4 Host computer access indicator Indicates data transfer between the disk array sys tem and the host computer 5 Up function button Moves up in the LCD menus 6 Down function button Moves down in the LCD menus 7 Enter function button Selects a menu item or confirms a choice or entry 8 Escape function button Returns to the previous LCD menu without m...

Страница 22: ...sk Array Systems 13 2 Basic Configuration Components Open Front Panel No Name Description 1 12 Disk trays 1 to 12 Removable hot swap disk trays 13 Front panel door Protects the disks and houses the LCD Panel 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Страница 23: ... 1 Power Error indicator LED Different colors indicate different disk states Blue Disk access Green Disk online Orange Disk full Red No disk 2 Access indicator LED Indicates that the disk is being accessed 3 Tray handle Releases the disk tray 4 Push Button Push the button to release the Disk tray handle 2 1 Front 3 4 ...

Страница 24: ...an 5 Power Supply AC In Connects to a 100 240 VAC power source 6 Power Supply 2 Removable redundant power supply 2 7 Power Supply Handle For power supply removal 8 Power Supply Switch Switches the power on or off 9 UPS port Data port for uninterruptable power supply 10 Modem Port Connects to a modem for sending remote alerts 11 RS 232 Port Connects to a VT100 terminal or equivalent 12 Ethernet Por...

Страница 25: ...Cooling fan 2 System cooling fan 6 Power Supply AC In Connects to a 100 240 VAC power source 7 Power Supply 2 Removable redundant power supply 2 8 Power Supply Handle For power supply removal 9 Power Supply Switch Switches the power on or off 10 UPS port Data port for uninterruptable power supply 11 Modem Port Connects to a modem for sending remote alerts 12 RS 232 Port Connects to a VT100 termina...

Страница 26: ...y system Read Understanding RAID on page 3 to decide how many disks are required 1 Unlock the front panel door then pull it open 2 Push the button A to release the disk tray handle Pull the handle B to release the tray 3 Align the rear of the disk with the rear of the disk tray 4 Insert the disk into the disk tray and fix into place with screws supplied with the disk A B ...

Страница 27: ...s 2 Basic Configuration Installing Disks 5 Slide the disk tray back into the empty slot A then slowly close the disk tray handle B 6 Repeat steps 2 to 5 until all of the required disks have been installed 7 Push the front panel door closed and lock it B A ...

Страница 28: ... interfaces or dual fibre channel interfaces Refer to the following sections to make host interface connections Small Computer Systems Interface The ERQ12 U4R2 has dual Ultra320 SCSI interfaces Follow these instructions to make connec tions 1 Connect the SCSI terminator A to the bottom connector of the ERQ12 U4R2 host port 1 primary SCSI channel at the rear of the disk array system 2 Connect the U...

Страница 29: ...ace can be used with optical or copper transceivers and cables Follow these instructions to make optical connections 1 Insert fibre cable into the ERQ12 F2R2 host port 1 primary fibre channel at the rear of the disk array system Fibre Channel Daisy Chaining Four port models can be daisy chained as shown in the following diagram Fan 1 Power 1 Term MODEM UPS Term MODEM UPS Term MODEM UPS ...

Страница 30: ...ERQ12 U4R2 ERQ12 F2R2 Serial ATA Disk Array Systems 21 2 Basic Configuration Making Connections Connecting a network Connect the network cable to the RJ 45 port at the rear of the unit Fan 1 Power 1 ...

Страница 31: ...nd Turning on the Power 1 Plug a power cable A to a power connector at the rear of the unit then plug the second power supply cable into the second power connector B 2 Switch on both power supplies Note The system is equipped with auto switching power supplies that can run on 100 to 240 VAC Fan 1 Power 1 B A ...

Страница 32: ... the mounting points on the rails 2 Extend both of the rails so that they are the right length to fit in your rack 3 Bolt the rails into the rack using the rack bolts supplied with your rack You will need four nuts and bolts not included for each rail two at the front and two at the back 4 Tighten the locking screws when they are the correct length 5 Slide the disk array system into the rack and b...

Страница 33: ...uctions to fit the rail extenders if required 1 If required bolt the rail extenders into place as shown using the small bolts provided 2 Slide the disk array system into the rack and bolt it into place with the supplied fixing screws Note The rail extenders may be required to allow the disk array system room for the front door to open correctly ...

Страница 34: ...m 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 Push the front panel door closed and lock it Note Turn off the audible alert by pressing the Up and Down function but tons ...

Страница 35: ...hich 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 Remove the power cable from the power supply connector at the rear of the unit 3 Loosen the power supply retaining screw Note Turn off the audible alert by pressing the Up and Down function but to...

Страница 36: ...e the faulty power supply by pulling the power supply handle and pressing the release catch 6 Insert a new power supply 7 Push the power supply handle into place 8 Tighten the power supply thumbscrew 9 Reconnect the power cable o GGw GGY Fan 1 Power 1 o GGw GGY Fan 1 Power 1 Release catch o GGw GGY Fan 1 Power 1 o GGw GGY Fan 1 Power 1 ...

Страница 37: ...e the memory 1 Loosen the screws holding the controller cage in place 2 Lift the handle and slide the controller cage out of the chassis 3 Carefully remove the cables from the daughter board remove the three screws and lift it away from the array group controller 4 Pull the DIMM retaining clips away from the DIMM the DIMM springs out of the socket Remove the DIMM Fan 1 Power 1 o GGw GGY Fan 1 Powe...

Страница 38: ...f the DIMM down The DIMM is secured by the DIMM retaining clips 6 Replace the daughter board on the array group controller taking care to align the con nectors 7 Push the disk controller back in lower the handle and tighten the retaining screws Note The DIMM module will fit in only one direction Do not force the DIMM into place Fan 1 Power 1 o GGw GGY Fan 1 Power 1 ...

Страница 39: ......

Страница 40: ...arent 64 MB 1 GB DDR SDRAM LCD panel operation indicator Audible alarm disable alarm Optional battery backup for disk array status LED indicator on disk failures Connectors 4 x 2 Gbit Fibre ports 2 channels ERQ12 F2R2 model only 4 x Ultra320 SCSI ports ERQ12 U4R2 model only 1 x RS 232 Serial port 115200 n 8 1 1 x RJ 45 Ethernet port 10 100 Mbps Power Supply Redundant 1 1 350Watt 100 240 VAC 47 63 ...

Страница 41: ...ory Type PC200 DDR 200 pin SO DIMM Memory Sockets 1 Memory Size Up to 1 GB LCD Interface One LCD panel 2 lines by 16 characters Button Interface Up Down Enter and ESC Battery Backup Interface Yes Daughter Board Interface PCI X 64 bit 66 133MHz Backplane Interface connector Compact PCI Disk Channel Support 12 channels Disk Number Supported 12 disks Disk Connector Type Serial ATA 1 Temperature Senso...

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