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Galaxy GHDX2-2430S-24F4D Installation And Hardware Reference Manual

24 bay fc-4g to sata-ii raid subsystem single controller; 24 bay fc-4g to sata-ii raid subsystem dual controller
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Galaxy RAID
Model GHDX2-2430S-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)

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Summary of Contents for Galaxy GHDX2-2430S-24F4D

  • Page 1 Galaxy RAID Model GHDX2-2430S-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)

  • Page 2: Contact Information

    Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Contact Information Americas Rorke Data Inc 7626 Golden Triangle Drive Eden Prairie, MN 55344 Tel: +1-800 328 8147 Fax: +1-952 829 0988 sales@rorke.com techsupport@rorke.com http://www.rorke.com...
  • Page 3 Product specifications are also subject to change without prior notice. Trademarks Galaxy and the Galaxy logo are registered trademarks of Rorke Data , Inc. ® PowerPC is a trademark of International Business Machines Corporation and Motorola Inc.
  • Page 4 Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Warnings and Certifications Restricted Access Location: This equipment is intended to be installed in a RESTRICTED ACCESS LOCATION only. Electric Shock Warning! To Prevent Electric Shock: Access to this equipment is granted only to trained operators and service personnel who have been instructed of and fully understand the possible hazardous conditions and the consequences of accessing non-field-serviceable units.
  • Page 5 Galaxy Raid Installation and Hardware Reference Manual Use only shielded cables to connect I/O devices to this equipment. You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.
  • Page 6 Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual This device is in conformity with UL standards for safety. RoHS 2002/96/EC compliant WEEE Disposal of Old Electrical and Electronic Equipment...

  • Page 7: Table Of Contents

    Galaxy Raid Installation and Hardware Reference Manual Table of Contents CHAPTER 1 INTRODUCTION 1.1....................1-1 RODUCT VERVIEW 1.1.1 Product Introduction ..................1-1 1.1.2 Enclosure Chassis ....................1-2 1.1.2.1 Chassis Overview......................1-2 1.1.2.2 Physical Dimensions ...................... 1-3 1.1.2.3 Front Panel Overview ....................1-3 1.1.2.4 Hard Drive Numbering ....................
  • Page 8 Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 2.7. INSTALLING THE OPTIONAL BBU ..............2-6 2.7.1 BBU Installation Overview................2-6 2.7.2 BBU Warnings and Precautions...............2-6 2.7.3 Installation Procedure..................2-7 2.8. HARD DRIVE INSTALLATION ................2-9 2.8.1 Hard Drive Installation Prerequisites ..............2-9 2.8.2 SATA Drive Installation ...................2-9 2.9.
  • Page 9 Galaxy Raid Installation and Hardware Reference Manual 4.4.4 LCD Screen ......................4-9 POWER OFF PROCEDURE .................4-10 CHAPTER 5 SUBSYSTEM MAINTENANCE 5.1. OVERVIEW......................5-1 5.1.1 Maintenance .....................5-1 5.1.2 General Notes on Component Replacement .............5-1 5.2. REPLACING CONTROLLER MODULE COMPONENTS ........5-2 5.2.1 Overview......................5-2 5.2.2 Notes on Controller Module Maintenance ............5-3...
  • Page 10 Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual C.2. COM1 C : DB9 A ............C-3 ABLE UDIO C.3. COM2 C : DB9 A ............C-4 ABLE UDIO C.4. GAL-9011 N ..................C-5 ODEM C.5..................C-6 THERNET C.6......................C-6...

  • Page 11: Esd Precautions

    • The Galaxy subsystem comes with twenty four (24) drive bays. Leaving any of these drive bays empty will greatly affect the efficiency of the airflow within the enclosure, and will consequently lead to the system overheating, which can cause irreparable damage.

  • Page 12: About This Manual

    Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual About This Manual This manual: • Introduces the Galaxy RAID GHDX2-2430S/R-24F4D 400mhz ASIC subsystem. • Describes all the active components in the subsystem. • Provides recommendations and details about the hardware installation process.
  • Page 13 These two documents can be found in the product utility CD included with your subsystem package. Conventions Naming From this point on and throughout the rest of this manual, the Galaxy series is referred to as simply the “subsystem” or the “system” and Galaxy is frequently abbreviated as “Gal.” Lists Bulleted Lists: Bulleted lists are statements of non-sequential facts.
  • Page 14 Galaxy Raid GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual equipment or result in personal injury. Warnings should be taken seriously. Software and Firmware Updates Please contact Rorke Technical Support for the latest software or firmware updates. Problems that occur during the updating process may cause unrecoverable errors and system down time.
  • Page 15 Galaxy Raid Installation and Hardware Reference Manual...

  • Page 16: Chapter 1 Introduction

    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 sustain two member drives of a RAID array to fail at the same time and thereby helps achieve a higher level of data availability.

  • Page 17: Enclosure Chassis

    Enclosure Chassis 1.1.1.1 Chassis Overview The Galaxy HDX2 24bay subsystem comes with a 4U compact steel chassis and aluminum alloy framework for even distribution of component heat. A back-end PCB is enclosed in thick gauge sheet metal that divides the enclosure internally into the front and rear sections.

  • Page 18: 1.1.1.2 Physical Dimensions

    Chapter 1: Introduction Figure 1-2: Galaxy 24-bay SATA RAID Subsystem 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) ♦...

  • Page 19: 1.1.1.3 Front Panel Overview

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 1.1.1.3 Front Panel Overview Figure 1-3: Galaxy HDX2 24bay RAID Subsystem Front View As shown above, the front section of the subsystem features a 4-column by 6-row layout to accommodate twenty-four (24) drive trays that are designed to house standard 3.5-inch SATA drives.

  • Page 20: 1.1.1.5 Rear Panel Overview

    Figure 1-5: Galaxy GHDX2-2430R-24F4D Rear View Figure 1-6: Galaxy GHDX2-2430S-24F4D Rear View The rear panel of the Dual redundant controller version of the Galaxy HDX2 subsystem is shown in Figure 1-5. The rear panel provides access to all the components located in the rear half of the RAID subsystem enclosure.

  • Page 21: Back-Plane Board

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Each RAID controller module comes with four (4) SFP host ports, two (2) RS-232C (audio jack) serial ports, one (1) RJ-45 Ethernet connector and status-indicating LEDs located on its rear-facing faceplate. 1.1.1.6 The Backplane Board An integrated backplane board receives disk drives on the front end and connects the RAID controller, cooling, and PSU modules on the other side.

  • Page 22: Drive Trays

    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 trays from a previous Galaxy model, GHDX-7376R6- 24F2D. They are not compatible. 1.2.3...

  • Page 23: Controller Module Interfaces

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual contains no user-serviceable components. Only remove the controller when replacing a faulty unit or installing/ the cache memory inside. WARNING! Although the RAID controllers are hot-swappable, the only time you should handle the controller itself is to remove a failed controller, or to install and replace memory modules.

  • Page 24: Dimm Modules

    Chapter 1: Introduction The dual-controller subsystem comes with a serial port Y-cable that allows you to access a surviving controller in the event of controller failure without physically changing the connection. TIPS: Connect both Ethernet ports (if you are using a dual-controller subsystem) to the Ethernet ports of your network switch.

  • Page 25: Bbu

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 1-10: BBU Module, Controller Top Cover, and the Module Slot The BBU functionality consists of two major parts. One is the charger circuitry mounted on top of the controller main board. The other is an optional BBU module that contains several battery cells.

  • Page 26: Psus

    Chapter 1: Introduction Figure 1-11: PSU Module Each PSU module comes with a power socket for power cord plug-in. All three power supplies are turned on and off using a single power switch on the enclosure chassis. Each PSU also comes with two (2) embedded cooling fans to provide sufficient airflow across its heat-generating components and one (1) LED to indicate the PSU status.

  • Page 27: Cooling Modules

    1.2.8 Cooling Modules These Galaxy 24 bay subsystems come with two (2) hot swappable, redundant, dual-fan cooling modules. Two (2) 8cm blowers are housed in each cooling module and provide ventilation airflow from the front to the rear of the subsystem, extracting the heat generated by the SATA hard drives and other components.
  • Page 28 Chapter 1: Introduction Figure 1-12: Cooling Module 1.2.9 Enclosure DIP Switches Figure 1-13: Enclosure DIP Switches DIP switches are located on the upper left corner of enclosure rear panel. The first tree switches determine an enclosure ID and should always be kept at their default, “0-0-0.” The two (2) switches marked as #7 and #8 have no function.

  • Page 29: Subsystem Monitoring

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 1.3. Subsystem Monitoring The RAID subsystem comes with several monitoring methods to give you constant updates on the status of the system and its individual components. The following monitoring features are included in the subsystem.

  • Page 30: Audible Alarms

    Chapter 1: Introduction RAIDWatch: RAIDWatch is a premier, web-based or Java-based graphical user interface (GUI) that can be installed on an adjacent or a remote computer and accessed via standard TCP/IP. 1.3.4 Audible Alarm The RAID subsystem comes with audible alarms that are triggered when certain active components fail or when certain controller or subsystem thresholds are exceeded.

  • Page 31: Normalized Airflow

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 1.4.3 Normalized Airflow Proper subsystem cooling is referred 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.
  • Page 32 Chapter 1: Introduction This page is intentionally left blank. 1-17...

  • Page 33: Chapter 2 Hardware Installation

    Chapter 2 Hardware Installation 2.1. Installation Overview This chapter gives detailed instructions on how to install hard disk drives and drive trays into the subsystem. Installation into a rack or cabinet should occur before hard drive installation. Please confirm that you received all of the components listed on a printed copy of Unpacking List included in the shipping package before proceeding with the installation process.

  • Page 34: Static-Free Installation

    Installation into a rack cabinet requires separately purchased mounting rails. There are also Galaxy rail kits for 32 or 36-inch deep racks. Installing the subsystem into a rack or cabinet requires at least two or three people.

  • Page 35: 2.4.1 Installation Procedure Flowchart

    Chapter 2 Hardware Installation Step 4. Verification of hard drive installation into the drive trays. Although SATA-II interface hard drives have been installed into drive trays for you, follow this procedure to replace individual hard drives. (See Section 2.7) Step 5. Install the drive trays into the enclosure.

  • Page 36: Unpacking The Subsystem

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-1: Installation Procedure Flowchart 2.5. Unpacking the Subsystem The subsystem components are packed in several boxes. WARNING! For a detailed packing list, refer to the included Unpacking List. Do not rely on the non-definitive, summarized checklist shown below - it is for reference only.

  • Page 37: Installation Overview

    Chapter 2 Hardware Installation One (1) LCD keypad panel on the left side foldable handle Back-end PCBs 2.6. Memory Module Installation 2.6.1 Memory Module Installation Overview The subsystem comes with a pre-installed 512MB DDR RAM DIMM module on each controller. The controller supports memory modules with sizes up to 2GB. If memory modules with a different size need to be used, the pre-installed DIMM module can be removed and the new ones installed.

  • Page 38: Selecting The Memory Modules

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual WARNING! The controller board in the controller module is a sensitive item. Please ensure that all anti-static precautions stipulated above are strictly adhered to. Only qualified engineers should replace the DIMM module. Removing the DIMM module while it contains cached data and when the BBU is still attached to the controller can damage the DIMM module.
  • Page 39 Chapter 2 Hardware Installation The BBU module is hot-swappable and can be independently swapped from the controller. However, as a safety precaution and just in case your memory still holds cached data, it is recommended to flush the unfinished writes using the “Controller Shutdown” command in firmware and remove the BBU module before handling the DDR RAM module.
  • Page 40 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-3: Removing the Controller Module Step 4. Remove the DDR 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.
  • Page 41 Chapter 2 Hardware Installation Figure 2-4: Accessing a DIMM Module Step 5. Install the replacement DIMM module. Carefully remove the replacement module from its anti-static bag. Grasp the module by edges. Make sure the white, plastic ejectors on the sides of DIMM socket are open.
  • Page 42 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 3. Use the ejector levers on the sides to secure the controller into the chassis slot. Make sure the squared notches of the ejector levers lock onto the metal grooves on the interior walls of the module slot.

  • Page 43: Package Contents

    Chapter 2 Hardware Installation 2.7. Rackmounting the Subsystem 2.7.1 Package Contents The slide rail kit (32- or 36-inch versions) includes the following components. You should check to ensure that the slide rail kit you received contains the items listed below. NOTE: Except for the different length of mounting brackets, the 32- and 36-inch versions use the same mounting screws and mounting holes on rack posts.

  • Page 44: Installation Steps

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-7: Package Contents The rackmount rails secure the Galaxy 4U chassis to standard 19-inch wide, four-post cabinets or racks that are between 23 and 36 inches deep. These heavy-duty rackmount rails provide an easy and safe access to the subsystems as well as a solid support.
  • Page 45 Chapter 2 Hardware Installation so that the front and rear edges of the bracket fit the vertical rack posts. Figure 2-8: Fitting a Support Bracket to Rack Posts Step 3. Determine where in the rack the subsystem is going to be installed.
  • Page 46 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-9: Attaching M5 Cage Nuts to Rack Posts CAUTION! The mounting positions on 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.
  • Page 47 Chapter 2 Hardware Installation Step 6. Use the included crosshead round screws (#9 in the packing list) to secure two (2) end brackets (#3 or #4) to the back of the subsystem. Figure 2-11: Attaching End Brackets to the Rear Side of Enclosure Step 7.

  • Page 48: Hard Drive Installation

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual list) through the holes on the left- and right-side handles to both of the front rack posts. Figure 2-13: Securing Enclosure through the Front 2.8. Hard Drive Installation 2.8.1 Hard Drive Installation Overview WARNING! 1.

  • Page 49: Drive Installation

    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.
  • Page 50 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-14: Installing a Hard Drive Step 2. Adjust the drive’s location until 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.

  • Page 51: Drive Tray Installation

    Chapter 2 Hardware Installation 2.9. Drive Tray Installation Before drive tray installation, you need to access the drive bays on the left- and right-side columns: To access drive bays hidden behind the forearm handles, first release the retention latches on the enclosure front handles, and then swing the handles to the left and right-hand sides.
  • Page 52 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-18: Opening Front Bezel Step 3. Line up with the tray slot in which you wish to insert it. Once the drive tray is lined up with the slot, gently slide it in. This should be done smoothly and gently.
  • Page 53 Chapter 2 Hardware Installation Figure 2-20: Drive Tray Bezel Lock Rotation WARNING! All the drive trays must be installed into the enclosure even if they currently do not contain a hard drive. If the drive trays are not installed, then the ventilation required for cooling will not be normalized and the subsystem will be damaged.
  • Page 54 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 2-21: Cable Clamp and Cable Strap (Cable Mount) 2.10.2 Cable Clamp Installation Step 1. Connect a power cord to a subsystem power socket so that you can determine the correct position of the cable clamp along the cable strap.
  • Page 55 Chapter 2 Hardware Installation and the ribbed side facing down. Press the release tab and adjust the position of the cable clamp along the strap. Figure 2-23: Inserting Cable Strap into Cable Clamp Step 3. Mount the cable strap to the chassis by inserting the push-in barb anchor into the pre-drilled hole underneath the power supply.
  • Page 56 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual This page is intentionally left blank. Hardware Installation 2-24...

  • Page 57: Chapter 3 Subsystem Monitoring

    Subsystem Monitoring 3.1. Subsystem Monitoring Overview The Galaxy GHDX2-2430S-24F4D and GHDX2-2430R-24F4D subsystems are equipped with a variety of self-monitoring features that keep you informed of the subsystem’s operational statuses. These monitoring features provide vital feedback to help you maintain the operational integrity of the subsystem. Prompt response to warnings and component failure notifications will help ensure data integrity and the longevity of the RAID subsystem.

  • Page 58: Status-Indicating Leds

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Audible alarm: The audible alarm on the subsystem controller board will be triggered if any of a number of threatening events occurs. These events usually jeopardize the functional and operational integrity of the controller board and must be heeded at all times.
  • Page 59 Chapter 3 Subsystem Monitoring thresholds is violated. Green ON indicates BBU is present. Link FLASHING indicates there is active traffic through the host ports. Hst Bsy Green OFF indicates there is no activity on the host ports. FLASHING indicates there is active traffic on the drive channels.

  • Page 60: Lcd Panel

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual remain intact after default restoration, configuration data such as LUN mapping and performance preferences will be erased. Before using this button, make sure you have a written record or a previously saved configuration profile (one of firmware’s functionalities, “Save NVRAM”).
  • Page 61 Chapter 3 Subsystem Monitoring Figure 3-3: LCD Panel LEDs System Monitoring...

  • Page 62: Drive Tray Leds

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual LED Name Color Status ON indicates that power is supplied to the subsystem. Blue OFF indicates that no power is supplied to the subsystem or the subsystem/RAID controller has failed. ON indicates that there is active traffic on the host/drive...

  • Page 63: Bbu Module Led

    Chapter 3 Subsystem Monitoring LED Name Color Status FLASHING blue indicates there is read/write Drive Busy Blue/Amber activity on the drive from Controller A. FLASHING amber indicates there is read/write activity on the drive from Controller B (in a redundant-controller mode). OFF indicates there is no read/write activity on the drive.

  • Page 64: Psu Leds

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual FLASHING indicates the batteries are being charged. Table 3-6: BBU LED Definitions IMPORTANT! In addition to BBU failure itself and the charger failure, the subsystem may also light the BBU fault LED when the following occur: The temperature sensor embedded with the charger circuit reports a temperature reading exceeding 45 degree Celsius.

  • Page 65: Cooling Module Leds

    Chapter 3 Subsystem Monitoring Figure 3-6: PSU Module LED Color Status Static Green The PSU is operating normally and experiencing no problems Static Red The PSU has failed and is unable to continue providing power to the subsystem. Blinking The PSU is not turned on. This LED blinks when the power cord is connected but the power switch is not turned on.

  • Page 66: Audible Alarm

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Status The respective cooling fan is operating normally. The respective cooling fan has failed and the module must be replaced. Table 3-8: Cooling Fan Module LED Definitions 3.3. Audible Alarm Different controller environmental and operational parameters (such as temperature, etc.) have been assigned a range of values between which they can fluctuate.

  • Page 67: Failed Devices

    Chapter 3 Subsystem Monitoring CPU Temperature 90ºC 5ºC Board Temperature 80ºC 5ºC Table 3-9: Default Threshold Values The thresholds in Table 3-9 are the default threshold values. To see how to change these values, please refer to the firmware 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:...

  • Page 68: Chapter 4 Subsystem 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.

  • Page 69: Fc Lasers

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 4.1.2 FC Lasers CAUTION! Lasers can be hazardous and may cause permanent eye damage, and therefore must be treated with respect and used with caution. Never look at lasers without knowing that they are turned off.

  • Page 70: Topology And Configuration Considerations

    FC performance and reliability specifications. NOTE: SFP transceiver modules must be purchased separately. You may also purchase transceivers from your Galaxy subsystem vendor/distributor. 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.
  • Page 71 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 4-1: Drive Mechanical Speed and Logical Drive Speed There are other considerations. For example, a spare drive carries no data stripes and will not contribute to disk-level performance. Refer to the documentation that came with your hard drives for performance data.

  • Page 72: Fibre Channel Topologies

    (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. In a directly-attached application, the onboard hub feature provides path redundancy and saves you the cost of a FC switch.

  • Page 73: Unique Identifier

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual controllers to synchronize cached data and configuration profile. When the onboard hub is enabled by the enclosure DIP switches, the two (2) host channels on individual RAID controllers are connected internally via bypass. This mechanism provides access routes to a surviving controller in the event of a single controller failure.
  • Page 74 Chapter 4: Subsystem Connection and Operation Fibre Channels 4.3.1 Onboard Hub Settings The subsystem comes with embedded hub on their host channels. Channel bus and access routes configurations with different DIP switch settings are diagrammed below. 4.3.2 Jumper Assignments Figure 4-2: Location of the DIP Switches •...
  • Page 75 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual DIP Switch Configurations and Host Port Connectivity: • 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.
  • Page 76 Chapter 4: Subsystem Connection and Operation Figure 4-4: Host Port Bandwidth when the Onboard Hub is Enabled or Disabled IMPORTANT: One drawback of using the hub function is that the host ports hubbed together may not be 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.
  • Page 77 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual on two controllers. 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.
  • Page 78 Currently the Fibre Channel device Auto- Negotiation does not work with all FC HBAs or switches. Please contact Galaxy tech support 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.
  • Page 79 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 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.

  • Page 80: Sample Topologies

    Chapter 4: Subsystem Connection and Operation Host Connection Sample Topologies 4.4.1 Simple, Direct Connection to Host Computers The subsystem is directly 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.
  • Page 81 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Shown below is an example showing logical drives each managed by a single RAID controller, host ports hubbed together, and access routes forming fault- tolerant pairs. Multiple IDs will appear through the host ports; namely, multiple RAID volumes will appear through a host data link.
  • Page 82 Chapter 4: Subsystem Connection and Operation Drive Via system bus, through the backplane DIP Switch Hub enabled/disabled Configuration Information RAID Controllers Application Servers Data path Connection Fault-tolerant paths Host Channel Bandwidth 800 MBps Max. Number of Drives • This is a direct-attached configuration showing two (2) host computers sharing the storage volume of one (1) RAID subsystem.
  • Page 83 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 4-8: Clustered Servers with Redundant Paths Channel Settings CH0 and CH1 Host Via system bus, through the backplane Drive DIP Switch Hub disabled Configuration Information RAID Controllers Application Servers Data Path Connection...
  • Page 84 Chapter 4: Subsystem Connection and Operation • This is a direct-attached configuration showing four (4) host computers sharing the capacity in one (1) RAID subsystem. Disk drives in the enclosure can be configured into one or more arrays, and made available through individual host ports.
  • Page 85 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 4.4.3 Hub Disabled and Switched Fabric Connection With disabled hub, the individual host channels from individual RAID controllers are connected to two separate switched fabric networks. This can apply to applications using the RAID subsystem as a common storage pool where component and path redundancy is also important.
  • Page 86 Chapter 4: Subsystem Connection and Operation Data Path Connection Fault-tolerant data paths Host Channel Bandwidth 1600 MB/s Max. Number of Drives The onboard hub can be disabled so that individual host ports provide access to individual RAID controllers. • This is a SAN storage application using two (2) host channels through four (4) separate FC links from individual RAID controllers.
  • Page 87 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 4-20 Subsystem Connection and Operation...
  • Page 88 Chapter 4: Subsystem Connection and Operation 4.4.4 Expansion Links A redundant-controller RAID enclosure connects 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.

  • Page 89: Power On

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual A single-controller RAID enclosure connects to a maximum of four (4) 16 bay SAS expansion enclosures which house either SAS or SATA disk drives. SAS link cables are provided with the expansion enclosures. The single-controller configuration provides no data link redundancy.

  • Page 90: Power On Procedure

    Chapter 4: Subsystem Connection and Operation BBU: If used, make sure the optional BBU has been installed correctly in the single-controller enclosure. Hard drives: Hard drives have been correctly installed in the drive trays. Drive trays: All the drive trays, whether or not they contain a hard drive, have been installed into the subsystem.

  • Page 91: Power On Status Check

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure 4-13: Power Switch CAUTION! Although the PSUs are redundant and the subsystem can withstand a single PSU failure, it is advisable to replace a failed PSU immediately. The subsystem will be held in an idle state if two PSUs have already failed in the subsystem.
  • Page 92 Chapter 4: Subsystem Connection and Operation Audible alarm – If any errors occur during the initialization process, the onboard alarm will sound in a hastily repeated 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.

  • Page 93: Lcd Screen

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 4.5.4 LCD Screen When powering on the subsystem, the following messages should appear on the front panel LCD screen. Wait for the front panel LCD to show “READY” or “No Host LUN” before the host boots up.

  • Page 94: Power Off Procedure

    Chapter 4: Subsystem Connection and Operation Power Off Procedure To power off the subsystem, please follow these steps: NOTE: When powering off the subsystem, please ensure that no time-consuming processes, like a “logical drive parity” check or a “Media Scan,” are running. Step 1.
  • Page 95 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual This page is intentionally left blank. 4-28 Subsystem Connection and Operation...

  • Page 96: Maintenance

    Chapter 5 Subsystem Maintenance 5.1. Introducing Subsystem Maintenance and Upgrading 5.1.1 Maintenance Constant monitoring and maintenance of your subsystem will minimize subsystem downtime and preserve the working integrity of the system for a longer period of time. If any of the subsystem components fail, they must be replaced as soon as possible.
  • Page 97 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Subsystem Maintenance...

  • Page 98: General Notes On Component Replacement

    Chapter 5: Subsystem Maintenance 5.1.2 General Notes on Component Replacement All of the components on the subsystem, including the RAID controllers, PSU modules, cooling modules, and drive trays, are hot-swappable and can be changed while the subsystem is still in operation. Qualified engineers who are familiar with the subsystem should be the only ones who make component replacements.

  • Page 99: Notes On Controller Module Maintenance

    5.2.3 Removing the Controller Module CAUTION! It is recommended to apply Galaxy certified memory modules to avoid compatibility issues. The installed BBU and controller module must be removed prior to installing new memory modules. Do this with care. Sensitive components can be damaged during the process.
  • Page 100 Chapter 5: Subsystem Maintenance Step 2. If working on the dual-controller Galaxy HDX2, the workload should have been taken over by the surviving RAID controller in the event of single controller failure. Step 3. Remove the BBU module if one has been installed. Loosen the BBU module’s retention screw and then simply retrieve it...

  • Page 101: Replacing The Controller Module

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual positions, the controller module will automatically be eased out of the controller module bay in the subsystem. Figure -3: Removing the Controller Module Step 7. Carefully pull the controller module out of the subsystem chassis keeping one hand underneath to support the weight of the module.
  • Page 102 Chapter 5: Subsystem Maintenance Step 2. Install the BBU module onto the replacement controller. You may need to install a DIMM module to your replacement controller if it comes without a pre-installed module. Step 3. Install the replacement controller into the subsystem by pushing it into the module slot.
  • Page 103 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Step 6. Power up the system. Please follow the correct power up sequence that is described below. 5.3. Replacing a Failed BBU Component 5.3.1 Replacing the BBU Module NOTE: When replacing a BBU in a single controller model, the whole subsystem needs to be powered down.
  • Page 104 Chapter 5: Subsystem Maintenance BBU failure can result from the following: A BBU (Battery Backup Unit) has lost its ability to hold electrical charge. This may be the case after the battery cells have been recharged for many times regardless of how long the module has been used. Therefore, a stable power source is important for system operation.

  • Page 105: Replacing The Psu Module

    RMA procedure. Details of the RMA procedure can be found on the Galaxy website. 2. It is recommended to include BBU failure as one of the Event Triggered reaction item in firmware configuration utility.
  • Page 106 Chapter 5: Subsystem Maintenance Figure -6: Removing the Power Cord Step 2. Remove the retention screw underneath the PSU’s extraction handle. Figure -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. Subsystem Maintenance 5-11...
  • Page 107 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Figure -8: Dislodging the PSU Step 4. Gently pull the PSU module out of the chassis using the retention handle. Step 5. Insert the replacement PSU module into the slot with the retention handle at its lowest position. Push the PSU in until you feel the contact resistance with its back-end connectors.

  • Page 108: Cooling Module Maintenance

    Chapter 5: Subsystem Maintenance Step 6. Insert and fasten the retention screw underneath the extraction handle to secure the module. Step 7. Install the cable clamp assembly (if used). 5.5. Cooling Module Maintenance 5.5.1 Notes on Cooling Module Maintenance Two redundant cooling modules: The subsystem is equipped with two redundant, hot swappable, dual-fan cooling modules located above the PSU modules.

  • Page 109: Replacing A Cooling Module

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Replacing a cooling module: When you are notified that a cooling module has failed, it should be replaced as soon as possible. A failed cooling module should only be removed from the subsystem when you have a replacement module that can be installed as soon as the failed cooling module has been removed.
  • Page 110 Chapter 5: Subsystem Maintenance 5.6. Drive Tray Maintenance 5.6.1 Notes on Hard Drive Maintenance Hot-swappable drive trays: The drive trays are all hot-swappable. If a hard drive fails, it can be replaced while the subsystem is still running. Remove drives slowly: When removing a drive tray, withdraw it from the enclosure slowly.
  • Page 111 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual 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.
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  • Page 113: Technical Specifications

    Appendix A Subsystem Specifications A.1. Technical Specifications Environmental Specifications 5% to 95% (non condensing – operating and non- Humidity operating) Operating: 0º to 40ºC Temperature (0º to 35ºC when BBU is applied) Non-operating: -20º to 60ºC Operating: sea level to 12,000 ft Altitude Non-operating: sea level to 20,000 ft Power Requirements...
  • Page 114 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Certifications • FCC Class-A • • • UL60950 / IEC 60950 • BSMI Shock Half-sine Operating: 5G peak, 11ms duration Non-operating: 10G peak, 11ms duration Vibration 5 to 500Hz, 0.2G, 0.5oct/min Operating Non-operating 5 to 500Hz, 1.0G, 0.5oct/min...

  • Page 115: Drive Tray Specifications

    Appendix A: Subsystem Specifications A.2. Controller Functional Specifications Specification 0, 1(0 + 1), 3, 5, 6, 10, 30, 50, 60, JBOD, and non- RAID Levels RAID disk spanning Host O/S Host O/S independent; supports all major platforms Compatibility Host Interface Two 4Gbps Fibre channels via four SFP ports Host Channels Two pre-configured 4Gbps host channels...

  • Page 116: Power Supply Specifications

    Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual A.4. Power Supply Specifications Specification Nominal Power 405W DC Output +3.3V: 3.20V to 3.465V; max. 20A +5V: 4.80V to 5.25V; max. 36A +12V: 11.52V to 12.60V; max. 24A +5V SB: 4.85V to 5.25V; max. 0.5A +3.3V &...

  • Page 117: Raid Management

    Appendix A: Subsystem Specifications A.6. RAID Management Specification • LCD keypad panel • Text-based firmware-embedded utility over RS-232C connection through the included Configuration audio jack-to-DB-9 serial cable • RAIDWatch Manager using an Ethernet link • Telnet access through an Ethernet link Performance Monitoring Remote Control and...
  • Page 118 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Salvage the 2 Temporary Failed Drive in a RAID 1, 3, 5, or 6 Logical Drive Salvage the 1 Temporary Failed Drive in a RAID 0 Logical Drive * For more firmware details, please refer to your interface-specific firmware Operation Manual.
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  • Page 120: Appendix B Spare Parts And Accessories

    2-to-1 SATA MUX conversion, power MOS switch MUX (tray with MUX board) embedded, for dual-controller Galaxy GHDX2-2430R- 24F4D subsystems Power supply module, for Galaxy 24-bay GHDX2- GALHDX-9274CPSU 2430S/R-24F4D subsystems, 405W (N+1) capacity GHDX-9274CFANMOD Cooling fan module, for Galaxy 24-bay GHDX2-...

  • Page 121: B.2. A Ccessories

    9274HANDLLCD GHDX2-9274CHANDR Right-side forearm handle, for Galaxy 24-bay GHDX2- 2430S/R-24F4D subsystems GALHDX-9274CBTC Battery cell pack, Li-Ion, for Galaxy 24-bay GHDX2- 2430S/R-24F4D subsystems Table B-1: Spare Parts Shipped with the Subsystem B.2. Accessories and Optional Items Accessories that come with the subsystem are listed in Table B-2.
  • Page 122 Appendix B Spare Parts and Accessories This page is intentionally left blank. Spare Parts and Accessories...

  • Page 123: Appendix C Pinouts

    Appendix C Pinouts C.1. SFP Connector 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 Pinouts...
  • Page 124 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual Pin Name Pin Description Transmitter ground (common with receiver ground) Transmitter fault; not supported FAULT Transmitter disable; laser output disabled on high or open MOD_DEF(2) Module definition 2; data line for serial ID MOD_DEF(1) Module definition 1;...
  • Page 125 Appendix C Pinouts Table C-1: SFP Pin Out Definitions C.2. COM1 Serial Port Cable COM1 Cable: This cable connects between COM1 serial port on the controller module to the serial port of a management computer. The serial port’s defaults and requirements are: 1.
  • Page 126 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual C.3. COM1 Cable: DB9 Audio Jack Y-Cable Pinouts The 2-audio jacks to DB9 Y-cable connects the COM1 serial ports on the redundant RAID controllers for maintenance-free terminal emulation connection during controller failover/failback. Figure...
  • Page 127 Appendix C Pinouts Figure : Connector Pinouts - Adapter Cable for COM2 Pinouts...
  • Page 128 Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual CN1 Pin Number Pin Name Ground CN2 Pin Number Pin Name Ground Table C : 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.
  • Page 129 Appendix C Pinouts Figure C-5: Null Modem Swap pin 2 and pin 3 Swap 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 Name Pin Name LAN_TXP LAN_TXN...

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