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Subsystem Connection and Operation

4-1

Chapter 4

Connection and Operation

This chapter outlines some basic rules you should follow when configuring a

storage system and introduces basic information about how to connect the

cabling and design a topology for the Galaxy 24bay RAID subsystems. You can

follow these sample topologies or use them as a guide for developing your own

unique topologies. A complete description of the power on and power off

procedures is also given in this chapter.

4.1

FC Host Connection Prerequisites

4.1.1 Choosing

the

Fibre

Cables

It is recommended to apply Galaxy certified Fibre Channel transceivers and

optical cables. The Fibre host ports connect to Fibre Channel host adapters

(HBA) that features a 4/2Gbps transfer rate, SFP interface, and support for full-

duplex transfer, best interfaced through a 64-bit/133MHz PCI-X or higher speed

system bus. In order to bring out the best of your RAID performance, HBAs of

high speed interface are recommended.

WARNING!

All Fibre cables are sensitive and must be handled with care. To prevent

interference within a rack system, the cable routing path must be carefully

planned and the cables must not be bent.

Содержание GHDX2-2430R-24F4D

Страница 1: ... 2430S 24F4D 24 bay FC 4G to SATA II RAID Subsystem Single Controller Model GHDX2 2430R 24F4D 24 bay FC 4G to SATA II RAID Subsystem Dual Controller Installation and Hardware Reference Manual Version 1007 Version 1 0 08 2005 ...

Страница 2: ...stallation and Hardware Reference Manual ii Contact Information Americas Rorke Data Inc 7626 Golden Triangle Drive Eden Prairie MN 55344 USA Tel 1 800 328 8147 Fax 1 952 829 0988 sales rorke com techsupport rorke com http www rorke com ...

Страница 3: ...eof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Furthermore Rorke Data reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation to notify any person of such revisions or changes Product specifications are also subject to change without prior notice Trademarks Galaxy an...

Страница 4: ...l interference and 2 this device may accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial...

Страница 5: ...electrical equipment with regard to establishing a satisfactory level of safety for persons using the device and for the area surrounding the apparatus This standard covers only safety aspects of the above apparatus it does not cover other matters such as style or performance CCC for Power Supplies compatibility to China Compulsory Certification This device is in conformity with UL standards for s...

Страница 6: ...aid GHDX2 2430S R 24F4D Installation and Hardware Reference Manual vi This device is in conformity with UL standards for safety RoHS 2002 96 EC compliant WEEE Disposal of Old Electrical and Electronic Equipment ...

Страница 7: ...s 1 9 1 2 6 BBU 1 9 1 2 7 PSUs 1 10 1 2 8 Cooling Modules 1 11 1 3 SUBSYSTEM MONITORING 1 12 1 3 1 I2C bus 1 12 1 3 2 LED Indicators 1 12 1 3 3 Firmware FW and RAIDWatch GUI 1 13 1 3 4 Audible Alarms 1 13 1 4 HOT SWAPPABLE COMPONENTS 1 13 1 4 1 Hot swap Capabilities 1 13 1 4 2 Components 1 14 1 4 3 Normalized Airflow 1 14 CHAPTER 2 HARDWARE INSTALLATION 2 1 INSTALLATION OVERVIEW 2 1 2 2 INSTALLATI...

Страница 8: ...3 5 3 2 5 LAN Port LEDs 3 6 3 2 6 BBU LED 3 7 3 2 7 PSU LEDs 3 8 3 2 8 Cooling Module LEDs 3 9 3 3 AUDIBLE ALARM 3 10 3 3 1 Default Threshold Values 3 10 3 3 2 Failed Devices 3 11 3 4 I2C MONITORING 3 11 CHAPTER 4 SUBSYSTEM CONNECTION AND OPERATION 4 1 FC HOST CONNECTION PREREQUISITES 4 1 4 1 1 Choosing the Fibre Cables 4 1 4 1 2 FC Lasers 4 2 4 1 3 FC Speed Auto detection 4 2 4 1 4 SFP Transceive...

Страница 9: ... 7 5 5 REPLACING A FAULTY PSU MODULE 5 9 5 5 1 PSU Module Overview 5 9 5 5 2 Replacing the PSU Module 5 10 5 6 COOLING MODULE MAINTENANCE 5 13 5 6 1 Cooling Module Overview 5 13 5 6 2 Replacing a Cooling Module 5 14 5 7 REPLACING A FAILED HARD DRIVE 5 16 5 7 1 Hard Drive Maintenance Overview 5 16 5 7 2 Replacing a Hard Drive 5 17 APPENDIX A SPECIFICATIONS A 1 TECHNICAL SPECIFICATIONS A 1 A 2 CONTR...

Страница 10: ...430S R 24F4D Installation and Hardware Reference Manual x C 2 COM1 CABLE DB9 AUDIO JACK PIN OUTS C 3 C 3 COM2 CABLE DB9 AUDIO JACK PIN OUTS C 4 C 4 GAL 9011 NULL MODEM C 5 C 5 ETHERNET PORT PIN OUTS C 6 C 6 MAIN POWER C 6 ...

Страница 11: ...laceable modules should be removed Make sure that during operation all enclosure modules and covers are securely in place Be sure that the rack cabinet into which the subsystem chassis will be installed provides sufficient ventilation channels and airflow circulation around the subsystem Provide a soft clean surface to place your subsystem on before working on it Servicing on a rough surface may d...

Страница 12: ...intain the subsystem This manual does not Describe components that are not user serviceable Describe the configuration options of firmware using terminal emulation programs or the RAIDWatch GUI software that came with your subsystem Give a detailed description of the RAID controllers embedded within the subsystem Revision History Initial release Who should read this manual This manual assumes that...

Страница 13: ...nd black dot Numbered Lists Numbered lists are used to describe sequential steps you should follow in order Important information that users should be aware of is indicated with the following icons NOTE These messages inform the reader of essential but non critical information These messages should be read carefully as any directions or instructions contained therein can help you avoid making mist...

Страница 14: ...s that occur during the updating process may cause unrecoverable errors and system down time Always consult technical personnel before proceeding with any firmware upgrade NOTE The firmware version installed on your system should provide the complete functionality listed in the specification sheet user s manual We provide special revisions for various application purposes Therefore DO NOT upgrade ...

Страница 15: ...Galaxy Raid Installation and Hardware Reference Manual xv ...

Страница 16: ...r connecting fault tolerant data paths The subsystem houses twenty four 24 3Gbps SATA II disk drives each with dedicated channel bandwidth Each controller board comes with a pre installed 512MB DDR RAM DIMM module and can support memory modules with the capacities up to 2GB The Galaxy HDX2 series is built around a custom ASIC400 specifically designed with the hardware RAID6 capability RAID6 can su...

Страница 17: ...hot swappable dual fan cooling modules protect the RAID subsystem from overheating and three 3 redundant hot swappable 1U 405W power supply unit PSU modules provide constant power to the RAID subsystem The modular nature of the subsystem and the easy accessibility to all major components ensure that the subsystem can be reliably and efficiently operated and maintained 1 1 1 Enclosure Chassis 1 1 1...

Страница 18: ... Overview 1 1 1 2 Physical Dimensions The Galaxy HDX2 24bay subsystem comes in a standard 4U chassis with the following dimensions With forearm handles 482W x 174 4H x 514D mm 19 x 6 87 x 20 2 inches Without forearm handles 445W x 174 4H x 498D mm 17 5 x 6 87 x 19 6 inches ...

Страница 19: ...orearm handle comes with a 16 characters by 2 rows LCD screen and four 4 function keys that can be used to configure and monitor the subsystem 1 1 1 4 Drive Slot Numbering The front section of the enclosure houses twenty four 24 hard drives When viewed from the front the drive bays slots are numbered 1 to 24 from left to right then from top to bottom Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot ...

Страница 20: ...ccess to all the components located in the rear half of the RAID subsystem enclosure The rear panel of the single controller version of the Galaxy HDX2 subsystem is shown in Figure 1 5 Three 3 N 1 redundant hot swappable 405W PSU modules provide converted power from the power source Two 2 redundant hot swappable dual fan cooling modules are located above the PSU modules One power switch on the cha...

Страница 21: ...ls and low voltage power paths It contains no user serviceable components 1 1 1 7 Subsystem Rack Cabinet Installation The subsystem chassis has pre drilled screw holes for rackmounting Separately purchased independently installed rackmount rails are available for rack or cabinet installation The slide rails come with their own printed copies of installation guide 1 2 Subsystem Components 1 2 1 LCD...

Страница 22: ... dropping it or resting heavy objects on it The drive tray has been customized to fit into the drive bays in the subsystem and if it is deformed or altered it may not fit into the drive bay NOTE The redundant controller subsystem is shipped with twenty four drive trays with multiplexer MUX adapter boards These MUX boards provide access routes for different RAID controllers Please DO NOT use drive ...

Страница 23: ...r main circuit board is housed in a metal canister and can only be seen after the controller is removed from the chassis The controller canister has two 2 ejection levers that can be used to retrieve or secure the controller module to the chassis These levers are secured to the enclosure chassis using two 2 retention screws through the screw holes underneath each lever 1 2 4 Controller Module Inte...

Страница 24: ... ports on both RAID controllers to your local network The Ethernet port on a non dominant stand by usually the controller in the lower slot controller will remain idle until a dominant primary controller fails and the management service is transferred to the surviving controller Disk Drive Channels All models come with twenty four 24 SATA drive channels that are interfaced thorough a backplane to ...

Страница 25: ...r service data and when the approximate one year life expectancy is reached by checking against the real time clock system administrators will be notified for replacing the BBU In accordance with international transportation regulations the BBU is only charged to between 35 and 45 of its total capacity when shipped After powering on the subsystem see Section 4 1 the BBU will automatically start ch...

Страница 26: ...eds to be replaced A retention screw through the extraction handle secures the PSU to the chassis If the PSU needs to be removed the retention screw must be removed first After installing a new PSU module make sure that the retention screw has been firmly secured The shipping package contains adjustable cable clamps that can be used to secure power cord connections PSU specifications are shown in ...

Страница 27: ...front to the rear of the subsystem extracting the heat generated by the SATA hard drives and other components Intelligent Dual Speed Operation The fans in the cooling module operate with two rotation speeds Under normal operating conditions the cooling fans run at the low speed which is sufficient for maintaining an efficient airflow across components Under the following conditions the cooling fan...

Страница 28: ...cross the host ports on partner controllers to enable disable the onboard bypass Switch 4 is only applicable in a dual controller configuration Switches 5 and 6 control host channel 4G or 2G speed When the onboard hub is enabled host channels on the partner controllers will be combined e g Channel 0 on Controller A and Channel 0 on Controller B combined into a host loop Using the onboard hub enabl...

Страница 29: ... Disk drives drive failure output PSU modules Cooling modules Temperature sensors 1 3 2 LED Indicators The following active components all come with LEDs that indicate the status of the individual component RAID controller 7 LEDs LCD keypad panel 3 LEDs Cooling module 2 LEDs PSU module 1 LED Drive tray 2 LEDs BBU module 1 LED 1 3 3 Firmware and RAIDWatch GUI Firmware The firmware FW is pre install...

Страница 30: ...mmediately WARNING Failing to respond when an audible alarm is heard can lead to permanent subsystem damage When an audible alarm is heard rectify the problem as soon as possible 1 4 Hot swappable Components 1 4 1 Hot swap Capabilities The subsystem comes with hot swappable components that can be exchanged while the subsystem is still online without affecting the operational integrity of the subsy...

Страница 31: ...rred to as normalized airflow Normalized airflow ensures the sufficient cooling of the subsystem and is only attained when all the components are properly installed Therefore a failed component should only be hot swapped when a replacement is available If a failed component is removed but not replaced permanent damage to the subsystem can result ...

Страница 32: ...Chapter 1 Introduction 1 17 This page is intentionally left blank ...

Страница 33: ...lity of electrostatic discharge ESD damage See Section 2 3 Use of anti static wristband and static control devices such as ionizers is recommended 2 Component check Before installing the subsystem you should confirm that you have received all of the required components by checking the package contents against the Unpacking List 3 Memory modules If you wish to change the pre installed memory module...

Страница 34: ...pins 2 4 General Installation Procedure Detailed illustrated instructions for each step are given in the following sections CAUTION To ensure that the system is correctly installed please follow the steps outlined below If these steps are followed the installation will be fast and efficient If these steps are not followed the hardware may accidentally be installed incorrectly Step 1 Unpack the sub...

Страница 35: ...nd independent power sources e g UPS systems for higher redundancy Make sure your subsystem is electrically grounded It is also recommended to use the included cable clamps to prevent accidental disconnection of the power cords Use separately purchased Fibre Channel optical cables and transceivers to connect the host ports to your Fibre Channel storage network or directly to the host computers See...

Страница 36: ...cking List Do not rely on the non definitive summarized checklist shown below it is for reference only The following items should be packed in individual boxes and are not pre installed Twenty four 24 drive trays and pre installed drives Accessory items The enclosure chassis with its pre installed components is located at the bottom of the package The pre installed components include Two 2 control...

Страница 37: ...rom your subsystem supplier Using non certified modules can cause unexpected compatibility problems Considerations 1 A DIMM socket is located on the side of the controller main board Prior to changing the DIMM module the controller canister must first be removed from the enclosure chassis 2 With a new subsystem there may not be cached data in the DIMM module If the subsystem has been operating and...

Страница 38: ...stem supports DDR RAM DIMM modules with memory capacities ranging from 512MB to 2GB Installation considerations When installing the DIMM module it is necessary to handle the controller module The controller board is more susceptible to damage than the other components and must therefore be handled with extreme care ALL anti static precautions specified in Section 2 3 must be strictly adhered to Se...

Страница 39: ...ti static work pad for placing a removed controller Use of an ESD grounding strap is highly recommended Step 2 Remove the pre installed BBU module Use a Phillips screwdriver to loosen the retention screw that secures the BBU module to the enclosure chassis and carefully remove the module Carefully place the module for it contains Li ION batteries Do not drop it to the floor or place it near any he...

Страница 40: ...DR DIMM module You can access the DIMM module from the opening on the right side of the controller canister To remove the DIMM module press the white plastic ejectors clips on the sides of the DIMM socket Grasp the DIMM module by its edges and pull it out of the socket without touching the electrical components nearby Place the module in an anti static bag ...

Страница 41: ...odule to the socket Pressing firmly on both ends push the module into the socket until the ejectors return to the closed position Figure 2 5 Accessing a DIMM Module Step 6 Install the controller and the BBU module if installed Proceed with the following to install the controller 1 Insert the controller into the respective module slot with the ejector levers at the lowest position 2 Push the contro...

Страница 42: ... the ejector levers lock onto the metal grooves on the interior walls of the module slot Once in place pull the levers up to secure the controller 4 Insert and fasten the retention screws underneath each ejector lever to secure the modules After the controller is properly installed install the BBU module by pushing it into the module slot and fasten its retention screws Figure 2 6 Installing the C...

Страница 43: ...s the 32 and 36 inch versions use the same mounting screws and mounting holes on rack posts Item 32 inch 812 8mm 36 inch 914 4mm Quantity 1 Mounting bracket assembly left 1 2 Mounting bracket assembly right 1 3 End bracket left 1 4 End bracket right 1 5 Screw cross recess round head M5x35 rev 1 0 4 6 Screw M5x5mm position screws for square racks free cutting steel rev 1 0 8 7 Screw crosshead flat ...

Страница 44: ...olid support Prepare the tools needed to install the enclosure into rack The following should be necessary A medium sized cross head screwdriver A small sized cross head screwdriver A medium sized flathead screw driver 2 7 2 Installation Steps Step 1 Determine the exact position where you want to install the Galaxy RAID enclosure in the rack and then measure the position Step 2 The mounting kit co...

Страница 45: ...rawing above Note that the lower part of the L shaped brackets should always face inward Step 4 Attach two 2 M5 cage nuts 8 in the packing list onto each front rack post The first cage nut is inserted through the hole right above the M5 screw at the bottom Cage nuts should be attached from the inside of the rack facing outward Leave six holes between the two cage nuts on each rack post These cage ...

Страница 46: ...the rack posts must be carefully measured so that rails are mounted parallel to each other Also pay attention to the clearance between the rack mounted units Step 5 Attach a spacer 10 in the packing list to the back of each enclosure forearm handle using three 3 included flathead screws 7 in the packing list Figure 2 10 Attaching Spacers to the Back of Enclosure Forearm Handles ...

Страница 47: ...th the support brackets Carefully rest the tips of the end brackets onto the support brackets and slide the chassis forward Step 8 When the chassis is inserted towards the end of the rack the recessed parts of end brackets should engage the two rivets on the support brackets Once the enclosure reaches the end proceed with securing the chassis through the mounting holes on the forearm handles Figur...

Страница 48: ... onto a hard surface even from a short distance and hitting or touching the circuits on the drives with your tools may all cause damage to drives 2 Observe all ESD prevention methods when handling hard drives 3 Only use screws supplied with the drive canisters Longer screws can damage the disk drives 2 8 2 Hard Drive Installation Pre requisites CAUTION The hard drives and drive trays should only b...

Страница 49: ...rive in the array is the maximum capacity of the smallest drive Profile The drive trays and bays of the system are designed for 3 5 inch wide x 1 inch high hard drives Drive type The Galaxy subsystem complies with SATA II interface hard drives 2 8 3 Drive Installation NOTE Although your drives have been preinstalled and tested you may need to replace a faulty drive Use the following procedure to r...

Страница 50: ...il the mounting holes in the drive canister are aligned with those on the hard drive Secure the drive with four 4 supplied 6 32 flathead screws See the diagram below for the screw hole locations using a drive tray with or without a MUX board Figure 2 15 Screw Hole Locations WARNING Only use screws supplied with the drive canisters Longer screws can damage the hard drives ...

Страница 51: ...owards the center to reveal the retention latch release the latch and then close the handles Figure 2 16 Closing the front handles Install the drive trays into the subsystem once the hard drives have been installed in the drive trays Step 1 Use a flat blade screwdriver to turn the rotary bezel lock to the unlocked position i e the groove on its face is in a horizontal orientation If the groove is ...

Страница 52: ...thly and gently Step 4 Close the front bezel Make sure the front bezel is closed properly to ensure that the back end connector is firmly mated with the corresponding connector on the backplane If the front bezel is not closed properly the connection between the hard drive and the subsystem will not be secure Figure 2 19 Installing a Drive Tray Step 5 Lock the bezel Use a flat blade screwdriver to...

Страница 53: ...ID shipping package When installing the subsystem it is recommended to secure all power cords using these cable clamps to help prevent accidental disconnection that could result in costly down time 2 10 1 Component Description Each cable clamp consists of the following 1 A cable strap with a push barb anchor mount 2 An adjustable cable clamp The cable strap is secured to the chassis by inserting t...

Страница 54: ...that you can determine the correct position of the cable clamp along the cable strap The diagram below shows the relative positions of a power cord cable clamp and cable strap Figure 2 22 Power Cord Cable Clamp and Cable Strap Positions Step 2 Connect the cable clamp to the cable strap Insert the flat angled end of the cable strap through the small opening the tie head underneath the cable clamp w...

Страница 55: ...rb anchor into the pre drilled hole underneath the power supply Step 4 Secure the power cord with the cable clamp Flip open the cable clamp and wrap it around the power plug If necessary press on the release tab to adjust the location of the clamp so it aligns with the base of the power plug as shown below Press the clip lock on the side of the clamp until it snaps into position Figure 2 24 Power ...

Страница 56: ...Galaxy GHDX2 2430S R 24F4D Installation and Hardware Reference Manual Hardware Installation 2 24 This page is intentionally left blank ...

Страница 57: ...LCD keypad panel or a PC running a terminal emulation program and is connected through the subsystem s COM 1 RS 232C audio jack serial port The firmware is fully described in the firmware Operation Manual that came with the subsystem Please refer to this manual for further details RAIDWatch RAIDWatch is a Java based program that came with the subsystem and can be used to monitor and manage the sub...

Страница 58: ...ystem monitoring is a necessary part of subsystem management When system fault events or other disruptive events are detected and reported the subsystem manager must take appropriate actions to rectify the problem Failure to act in a properly specified manner to a system event such as overheating can cause severe and permanent damage 3 2 Status indicating LEDs 3 2 1 Controller Module LEDs The cont...

Страница 59: ...used here as examples Name Color Status Link Green Steady GREEN indicates that channel link is valid OFF indicates no valid link is made through the FC port Speed Green Amber Steady GREEN indicates 4Gb s link speed Steady AMBER indicates 2Gb s link speed drive channels only Off indicates incongruous link status Table 3 2 Fibre Port LED Definitions 3 2 1 2 Restore Default LED A restore default LED ...

Страница 60: ...d for connecting the RJ 45 Ethernet management port to a local network after you configure an IP address This enables you to manage your subsystem via LAN WAN Two 2 LEDs on the Ethernet port indicate connection statuses Please refer to Error Reference source not found for the LED definitions Figure 3 2 LAN Port Indicators Name Color Status Link Green ON indicates the management port is connected t...

Страница 61: ...Chapter 3 Subsystem Monitoring System Monitoring 3 5 Figure 3 3 LCD Panel LEDs ...

Страница 62: ...es that a component failure status event has occurred OFF indicates that the subsystem and all its components are operating correctly Table 3 4 LCD Panel LED Definitions NOTE During the power up process the LCD panel ATTEN LED will be turned on If the subsystem boots up successfully then the ATTEN LED will be turned off after the boot up procedure is complete The MUTE button silences the alarm tem...

Страница 63: ...us Green Red GREEN indicates that power is supplied to the hard disk drive and the disk drive is present RED indicates that there is a disk drive failure or the disk drive is absent Table 3 5 Drive Tray LED Definitions 3 2 5 BBU Module LED The hot swappable BBU module comes with an LED that indicates module failure or when battery cells are being replenished Figure 3 5 BBU Module LED LED Name Colo...

Страница 64: ...e event message 1 Check proper ventilation within the subsystem You may also check the readings from other sensors within the enclosure Airflow might have been disrupted by the absence of one or several major modules or the failure of a cooling fan Once the thermal condition is improved charging will resume automatically 2 If a new battery module has been charged for over twelve 12 hours and this ...

Страница 65: ...tem Blinking Green The PSU is not turned on This LED blinks when the power cord is connected but the power switch is not turned on OFF The PSU is not turned on no power is supplied to the PSU or the power plug is not connected Table 3 7 PSU Module LED Definitions 3 2 7 Cooling Module LED Figure 3 7 Cooling Fan Module LEDs and Cooling Fan Locations Each cooling module has two 2 red LEDs Each LED co...

Страница 66: ...larm the manager needs to read the error message on the LCD screen or on the PC terminal to determine what has triggered the alarm and then take appropriate actions to rectify the problem WARNING Whenever an alarm is triggered you must determine the cause of the problem If the audible alarm is ignored or not taken seriously and the problem is not rectified permanent damage to the system can result...

Страница 67: ... Operation Manual that came with your system 3 3 2 Failed Devices If any of the following devices fail the audible alarm will be triggered RAID controller module Cooling modules PSU modules BBU modules Hard drives Temperature sensors 3 4 I2 C Monitoring The PSUs cooling modules temperature sensors and disk drive failure outputs are monitored through an I2 C serial bus If any of these modules fails...

Страница 68: ...pter 4 1 FC Host Connection Prerequisites 4 1 1 Choosing the Fibre Cables It is recommended to apply Galaxy certified Fibre Channel transceivers and optical cables The Fibre host ports connect to Fibre Channel host adapters HBA that features a 4 2Gbps transfer rate SFP interface and support for full duplex transfer best interfaced through a 64 bit 133MHz PCI X or higher speed system bus In order t...

Страница 69: ...as soon as it is unplugged Although non OFC lasers are low power and do not come with this safety feature they can still inflict damage 4 1 3 FC Speed Auto negotiation Speed auto negotiation is currently not supported All networking devices e g HBAs switches must operate at the configured speed Channel speed can be configured via the rear panel DIP switches NOTE 1 Fibre Channel transmission speed ...

Страница 70: ...or 4 2 Topology and Configuration Considerations 4 2 1 Basic Configuration Rules When you are configuring your subsystem the following are some basic rules that should be followed When selecting the number of hard drives to be included in a logical configuration the host channel bandwidth and the mechanical performance of individual disk disks should be considered It is a good practice to calculat...

Страница 71: ...oise from adjacent interfaces The disk drives included in the same logical array should have the same capacity but it is preferred that all disk drives within a chassis have the same capacity Even disk drives of the same model name may carry different block numbers One way to get around this issue is to tune down the Maximum Drive Capacity to a lower number Please refer to your firmware operation ...

Страница 72: ...Host side Topologies In a configuration designed for high data availability the primary concern for host side topologies is to avoid points of failure It is therefore recommended that an application server be connected to at least two 2 HBAs It is also preferable to connect the RAID subsystems to the host computer s through a Fibre switch The 24bay Galaxy RAID subsystems come with the onboard hub ...

Страница 73: ...data link through the existing controller will continue data transfer that was previously served by the failed controller 4 2 6 Unique Identifier The unique identifier is a user specified 16 bit hexadecimal number that is used to generate FC ports node names port names and also the Ethernet port MAC address Each subsystem has a factory assigned hexadecimal number and there is no need to change it ...

Страница 74: ... diagrammed below 4 3 2 Jumper Assignments Figure 4 2 Location of the DIP Switches Pin 4 CH0 and CH1 onboard hub en disable The onboard hub enabled on CH0 and CH1 The onboard hub disabled on CH0 and CH1 Pins 5 and 6 CH0 and CH1 4G 2G speed selector These combinations set all host ports to 4Gbps speed The pin combination sets all host ports to 2Gbps speed DIP switches are located on the upper left ...

Страница 75: ...Pin 4 The host channels of the partner controllers are connected together across the backplane signal paths Host ports are combined into host loops for example the CH0 ports on Controller A and Controller B form a 4 port host loop Every host I O port connects to both of the RAID controllers Figure 4 3 Hub Enabled Controller A and B ports Combined into Host Loops ...

Страница 76: ... connected to the N_ports on a fabric switch When host ports are hubbed together they are ideal for connecting other RAID enclosures and direct attached servers with path redundancy without the costs on expensive FC switches 2 Another drawback is that if host ports are hubbed together the overall host port bandwidth is halved For example the Channel 1 host ports on each controller feature a 4Gb s ...

Страница 77: ... If host ports are hubbed together all four Channel 1 host ports on bother controllers share a 4Gb s bandwidth Figure 4 5 Channel Bus Connection and Cascaded Subsystems o Usage The onboard hub applies when an additional RAID enclosure is needed and when you run short of the available switch ports HBA ports or installation space ...

Страница 78: ... for certified equipment list for more information Host side connections must operate either at the fixed 4Gbps or 2Gbps speed If your current storage network comprises of 2Gbps devices set channel speed to 2Gbps WARNING When the speed selection is manually switched for host channels to run at a 2G speed subsystem firmware must also be adjusted accordingly You may access the firmware using the LCD...

Страница 79: ...nual 4 12 Subsystem Connection and Operation NOTE To answer questions related to firmware configuration such as the channel speed selection please refer to the FC to SATA RAID Subsystem Operation Manual that came with the Product Utility CD in your subsystem package ...

Страница 80: ...rectly connected to two application servers Each server is equipped with two HBA cards Figure 4 6 Direct attached Clustered Servers Connections Hub Disabled Note that if a logical drive is associated with both an AID and a BID logical drive s performance may not be as good as those associated with two AIDs or two BIDs A logical drive is managed by Controller A if it is associated with AIDs ...

Страница 81: ...will appear through the host ports namely multiple RAID volumes will appear through a host data link Host management software will be necessary to manage access contention and provide failover capability Because each channel s host ports on controller A and controller B are hubbed together a BID ID managed by controller B can appear through a host link to an SFP port on controller A Figure 4 7 Dir...

Страница 82: ...city decreases the chance of server downtime The logical arrays can be associated with different controller IDs on different host channels so that if a cable link fails the host can still access the arrays through another channel link File locking or access management utilities will be necessary to avoid access conflicts Depending on I O characteristics each configured array should be properly opt...

Страница 83: ...4 8 Clustered Servers with Redundant Paths Channel Settings Host CH0 and CH1 Drive Via system bus through the backplane 4th DIP Switch Hub disabled Configuration Information RAID Controllers 2 Application Servers 4 Data Path Connection Fault tolerant data paths Host Channel Bandwidth 1600 MB s Max Number of Drives 24 ...

Страница 84: ...u will need access management provided by 3rd party software If a RAID controller fails or a data path is disconnected the host computer can still access the array By associating an array with IDs on two different host buses and two different RAID controllers the host computer can access the array in the event of single component failure If Controller A fails Controller B will take over to elimina...

Страница 85: ...s a common storage pool where component and path redundancy is also important For simplicity reason only two servers are shown in the diagram More cable links can be used to connect more application servers within a switched fabric Figure 4 9 Hub Disabled and Switched Fabric Please note in the example shown in Figure 4 9 the channels are configured as follows Channel Settings Host CH0 and CH1 Driv...

Страница 86: ...ending on switch port configuration change your FC host side protocol through firmware utilities to fit the connection type either to the N_ports or the NL_ports as specified by your FC switches Access management software can be implemented to direct data flow through an existing host link if one of the data paths fails The precondition is that an array should also be available through the host ID...

Страница 87: ...Galaxy GHDX2 2430S R 24F4D Installation and Hardware Reference Manual 4 20 Subsystem Connection and Operation ...

Страница 88: ...nects to a maximum of two 2 16 drive SAS expansion enclosures which house either SAS or SATA disk drives SAS link cables are provided with the expansion enclosures A unique enclosure ID should be individually configured for each expansion enclosure using the rotary ID switch on its LED panel Figure 4 11 Expansion Redundant Controller Configuration ...

Страница 89: ...e provided with the expansion enclosures The single controller configuration provides no data link redundancy Figure 4 12 Expansion Single Controller Configuration 4 5 Power On Once all of the components have been installed in the subsystem and the host ports have been connected the subsystem can be powered on 4 5 1 Check List BEFORE powering on the subsystem please check the following Memory modu...

Страница 90: ...s Power cords The power cords have been connected to the PSUs on the subsystem and plugged into the main power source Ambient temperature All the subsystem components have been acclimated to the surrounding temperature 4 5 2 Power On Procedure When powering on the subsystem please follow these steps Step 1 Power on the Fibre Channel connection devices These devices include the FC switches and any ...

Страница 91: ...s to see their own power on procedures 4 5 3 Power On Status Check Once the subsystem has been powered on the status of the entire subsystem should be checked to ensure that all components are receiving power and functioning without complications or malfunctions Controller module LEDs The controller ready host and drive ports active LEDs should all flash green after a successful initialization Dri...

Страница 92: ...ed manner Drive tray LEDs should normally start flashing indicating the RAID controller units are attempting to access the hard drives System firmware can be configured to support a delayed sequence for starting drives Please consult your interface specific Operation Manual for more details NOTE The subsystem has been designed to run continuously If a component fails the fault can be corrected onl...

Страница 93: ...CD screen startup sequence is shown and described in the sequence below This screen appears when the PSUs are turned on System is performing a self test System power on self test is completed System is accessing various interfaces Verifying installed memory System is ready You can now start to configure the subsystem System is ready for I Os GHDX2 24 Ready Model Name Status Data Transfer Indicator...

Страница 94: ...subsystem Please refer to the documentation that came with your application servers and operating systems Some operating systems may require unmounting disk volumes mapped LUNs before powering off the array Step 2 Flush the cache Usually the cached writes will be distributed in a short time You may also use the Shutdown Controller firmware function to flush all cached data This prepares the RAID s...

Страница 95: ...Galaxy GHDX2 2430S R 24F4D Installation and Hardware Reference Manual 4 28 Subsystem Connection and Operation This page is intentionally left blank ...

Страница 96: ...hey must be replaced as soon as possible WARNING Do not remove a failed component from the subsystem until you have a replacement on hand If you remove a failed component without replacing it the internal airflow will be disrupted and the system will overheat causing damage to the subsystem All of the following components can be replaced in case of failure 1 RAID controller module Section 5 2 3 2 ...

Страница 97: ...Galaxy GHDX2 2430S R 24F4D Installation and Hardware Reference Manual 5 2 Subsystem Maintenance ...

Страница 98: ...nd and can be quickly installed Removing a subsystem component without replacing it can lead to permanent subsystem damage When replacing any hot swappable component caution should be taken to ensure that the components are handled in an appropriate manner Rough or improper handling of components can lead to irreparable damage WARNING When inserting a removable module DO NOT USE EXCESSIVE FORCE Fo...

Страница 99: ...ll previously stipulated safety precautions see Chapter 2 must be strictly adhered to Failure to adhere to these precautions can result in permanent damage to the controller board resulting in timely delays 5 2 3 Removing the Controller Module CAUTION 1 It is recommended to apply Galaxy certified memory modules to avoid compatibility issues 2 The installed BBU and controller module must be removed...

Страница 100: ...onnect all cables that are connected to the controller module you wish to replace These include the FC cables connecting to the host or cascaded enclosures the SAS cable to the expansion enclosure an Ethernet cable to the management port and any cables connected to the RS 232C audio jacks Step 5 Loosen the retention screws that secure the controller s ejection levers to the enclosure chassis Figur...

Страница 101: ...eplacement When replacing DIMM module make sure that the subsystem is correctly powered down and disconnect all the cables connected to the controller prior to removing the controller module Procedures on replacing the DIMM module For complete illustrated instructions on how to replace a DIMM module please refer to Chapter 2 5 2 5 Replacing the Controller Module If the controller module has failed...

Страница 102: ...odule slot Carefully push it in until you feel the contact resistance Use slightly more force and when the controller faceplate is almost aligned with the chassis rear panel pull up the ejection levers to secure the controller into chassis Figure 5 4 Installing a Replacement Controller Step 4 Fasten the previously removed retention screws to secure the ejection levers Step 5 Re attach all the cabl...

Страница 103: ... heat source Heat can melt the insulation and damage other safety features of battery cells possibly causing it to leak acid and result in flames or explosion Do not immerse the BBU in water nor allow it to get wet Its protective features can be damaged and abnormal chemical reactions may occur possibly causing functional defects acid leak and other hazardous results Do not disassemble or modify t...

Страница 104: ...ger circuit reports a temperature reading exceeding 45 degree Celsius The charger circuits will enter a low power and self protection state 2 A BBU module has been charged for over seven 7 hours A timer is embedded with the charger When this occurs the charger will enter a timer fault state The fault condition usually occurs with a brand new BBU or with a totally discharged BBU Charging will resum...

Страница 105: ... 1 PSU modules The subsystem comes with three fully redundant hot swappable PSU modules These modules are accessed through the rear of the subsystem Immediate replacement When a PSU fails it should ideally be replaced immediately Do not remove a PSU module unless a replacement is readily available Removing a PSU without a replacement will cause severe disruptions to the internal airflow and the su...

Страница 106: ...5 6 Removing the Power Cord Step 2 Remove the retention screw underneath the PSU s extraction handle Figure 5 7 Removing the PSU Retention Screw Step 3 Remove the failed module by pressing the extraction handle down until the PSU is released from the enclosure chassis ...

Страница 107: ...st position Push the PSU in until you feel the contact resistance with its back end connectors Do not use force or slam the module into place Doing so can damage the back end connectors or enclosure backplane Secure the PSU into the chassis slot Make sure the saddle notches of the extraction handle lock onto the anchor pins on the interior walls of the module slot Once in place pull the extraction...

Страница 108: ...system and therefore their working integrity should be maintained at all times Detecting a failed cooling fan module If a cooling module fails you can choose to be notified of the failure by the LEDs located at the back of the module an audible alarm the firmware terminal access the RAIDWatch Panel View or the various event notification methods Shown below are the locations of cooling fans Figure ...

Страница 109: ...ing module for a long period of time If the second cooling module fails the system is at risk of sustaining irreparable damage 5 5 2 Replacing a Cooling Module To replace a cooling module please follow these instructions Step 1 Remove the cooling module by pressing the slide lock on the side of the module towards the center of the chassis and then pulling the module out of the chassis Figure 5 11 ...

Страница 110: ...he normalized airflow will be disrupted and subsystem components will overheat and may become permanently damaged 5 6 2 Hard Drive Replacement If a hard drives fails in a logical configuration with parity redundancy the hard drive should be replaced as soon as possible If any member drive fails in the configuration data will be lost To replace a hard drive please follow these steps Step 1 Identify...

Страница 111: ... Manual 5 16 Subsystem Maintenance Step 5 Remove the retention screws on the sides of the drive tray and then remove the hard drive from the drive tray Step 6 Install the replacement drive Please refer to the complete hard drive installation procedure in Chapter 2 ...

Страница 112: ...Chapter 5 Subsystem Maintenance Subsystem Maintenance 5 17 This page is intentionally left blank ...

Страница 113: ...U is applied Non operating 20º to 60ºC Altitude Operating sea level to 12 000 ft Non operating sea level to 20 000 ft Power Requirements Input Voltage 100VAC 16A 240VAC 8A with PFC auto switching Frequency 50 to 60Hz Power Consumption 405W Dimensions With Forearm Handles Without Forearm Handles Height 174 4mm 6 86 inches 174 4mm 6 86 inches Width 482mm 19 inches 445mm 17 5 inches Length 514mm 20 2...

Страница 114: ... CE CB UL60950 IEC 60950 BSMI Shock Half sine Operating 5G peak 11ms duration Non operating 10G peak 11ms duration Vibration Operating 5 to 500Hz 0 2G 0 5oct min Non operating 5 to 500Hz 1 0G 0 5oct min Warning Alarms Audible alarms System LEDs LCD screen Terminal screen Event notification via the RAIDWatch Manager ...

Страница 115: ...ed through a back end PCB and cannot be changed Cache Mode Write through and write back Cache Memory Pre installed 512MB DDR RAM DIMM supports up to 2GB DDR RAM with ECC registered Number of LUNs Up to 32 per ID up to a total of 1024 configurable depending on the size of installed DDR memory RCC channels 6 dedicated SATA channels for cross controller synchronized cache communications Multiple Targ...

Страница 116: ...east 20ms at 115 230VAC full load after a loss of AC input I2 C Links to presence detection circuitry and sensors through backplane to controller Over temperature Protection Lost cooling or excessive ambient temperature Cooling Fans Two fans inside each PSU A 5 Cooling Module Specifications Specification Speed High 6300rpm or low 4600rpm rotation speeds controlled by firmware measurements by one c...

Страница 117: ...or logical drive assemblies to exist after controller replacement or hardware failure basic settings e g channel model settings are stored on NVRAM Failure Indicator Via audible alarm LCD keypad panel RAIDWatch Manager session event notifications or event prompts on terminal emulation A 7 Fault Tolerance Management Specification SATA Drive S M A R T Support Yes Battery Backup Option Yes comes stan...

Страница 118: ...Manual A 6 Specifications Salvage the 2nd Temporary Failed Drive in a RAID 1 3 5 or 6 Logical Drive Yes Salvage the 1st Temporary Failed Drive in a RAID 0 Logical Drive Yes For more firmware details please refer to your interface specific firmware Operation Manual ...

Страница 119: ...Appendix A Subsystem Specifications Specifications A 7 This page is intentionally left blank ...

Страница 120: ...controller Galaxy GHDX2 2430R 24F4D subsystem ASIC 400 four 4G FC SFP host connectors one SAS SFF 8470 expansion port GALHDX 9273CDTray tray without MUX board Drive tray Type III bezel and Type II LED lightpipe for Single controller Galaxy GHDX2 2430S 24F4D subsystem GALHDX 9273CDTray MUX tray with MUX board Drive tray Type III bezel and Type II LED lightpipe 2 to 1 SATA MUX conversion power MOS s...

Страница 121: ... Null Modem DB9 female to DB9 male wires swapped GALHDX 9270ASCAB single controllers Serial port cable for single controller subsystems 1 audio jack to 1 DB 9 GALHDX 9270AYCAB redundant controllers Serial port Y cable for dual controller subsystems 2 audio jacks to 1 DB 9 maintenance free during controller failover failback Table B 2 Accessories Shipped with the Subsystem Accessories that must be ...

Страница 122: ...Appendix B Spare Parts and Accessories Spare Parts and Accessories B 3 This page is intentionally left blank ...

Страница 123: ...Pinouts Each of the SFP host or expansion ports is comprised of a case bottom an EMI case and a 20 pin host connector These port sockets receive Small Form Factor Pluggable SFP fiber optic and copper based transceivers Figure C 1 SFP Connector Pinouts ...

Страница 124: ...S Indicates loss of signal logic 0 indicates normal operation 9 VEER Receiver ground common with transmitter ground 10 VEER Receiver ground common with transmitter ground 11 VEER Receiver ground common with transmitter ground 12 RD Receiver inverted DATA out AC coupled 13 RD Receiver non inverted DATA out AC coupled 14 VEER Receiver ground common with transmitter ground 15 VCCR Receiver power supp...

Страница 125: ...aults and requirements are 1 Set at 38400 baud 8 bit 1 stop bit and no parity 2 In most cases connecting RXD TXD and GND is enough to establish communications with a terminal Figure C 2 Adapter Cable for COM1 Connector Pinouts CN1 Pin Number Pin Name 1 Ground 2 TXD 3 RXD CN2 Pin Number Pin Name 1 NC 2 RXD 3 TXD 4 DTR Shorted 5 GND 6 DSR Shorted 7 RTS Shorted 8 CTS Shorted 9 NC Table C 2 COM1 Adapt...

Страница 126: ...r maintenance free terminal emulation connection during controller failover failback Figure C 3 COM1 Cable CN1 and CN2 Connectors CN1 Pin Number Pin Name 1 Ground 2 TXD 3 RXD CN2 Pin Number Pin Name 1 NC 2 RXD 3 TXD 4 DTR Shorted 5 GND 6 DSR Shorted 7 RTS Shorted 8 CTS Shorted 9 NC Table C 3 COM1 Y Cable CN1 and CN2 Pinout Definitions C 4 COM2 Serial Port Cable to UPS COM2 Cable Use this cable to ...

Страница 127: ...Appendix C Pinouts Pinouts C 5 Figure C 4 Connector Pinouts Adapter Cable for COM2 ...

Страница 128: ... Pin Number Pin Name 1 Ground 2 TXD 3 RXD CN2 Pin Number Pin Name 1 TXD 2 RXD 3 NA 4 NA 5 NA 6 NA 7 NA 8 NA 9 Ground Table C 4 COM2 Adapter Cable CN1 and CN2 Pinout Definitions C 5 Null Modem A null modem is used for wire swap and is necessary for connecting COM1 CN2 to a PC serial port ...

Страница 129: ...pin 4 and pin 6 Swap pin 7 and pin 8 Table C 5 Null Modem Pinouts C 6 Ethernet Port Pinouts Figure C 6 Ethernet Port Connector Pin Pin Name Pin Pin Name 1 LAN_TXP 5 N2 2 LAN_TXN 6 LAN_RXN 3 LAN_RXP 7 N1 4 N2 8 N1 Table C 6 Ethernet Port Pinouts C 7 Power Socket IEC type receptacle ...

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