easyRAID Q12-U4R2, Hardware User Manual

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

Page 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...

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Page 4: ...isks 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 Connec...

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Page 6: ...s 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...

Page 7: ...he 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 wat...

Page 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 d...

Page 9: ...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 magneti...

Page 10: ...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 featu...

Page 11: ...s 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...

Page 12: ...letely 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...

Page 13: ...bles 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...

Page 14: ...s 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...

Page 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...

Page 16: ...ed 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...

Page 17: ...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 s...

Page 18: ...nkage 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...

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Page 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...

Page 21: ...ly 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...

Page 22: ...k 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...

Page 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 acce...

Page 24: ...n 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 powe...

Page 25: ...ooling 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 S...

Page 26: ...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...

Page 27: ...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 instal...

Page 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...

Page 29: ...ce 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 re...

Page 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...

Page 31: ...d 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 Not...

Page 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 n...

Page 33: ...ctions 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...

Page 34: ...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 Sli...

Page 35: ...ich 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...

Page 36: ...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...

Page 37: ...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...

Page 38: ...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...

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Page 40: ...rent 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 cha...

Page 41: ...ry 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 Daugh...