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- Page 1 ® EonStor A12U/A08U-G2421 SCSI-to-SATA RAID Subsystem Installation and Hardware Reference Manual Version 1.1 (12, 2005) EonStor A08U/A12U-G1410 Download from Www.Somanuals.com. All Manuals Search And Download.
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Page 2: Contact Information
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Contact Information Asia Pacific Americas (International Headquarters) Infortrend Corporation Infortrend Technology, Inc. 3150 Coronado Dr., Unit C 8F, No. 102 Chung-Shan Rd., Sec. 3 Santa Clara, CA 95054 Chung-Ho City, Taipei Hsien, Taiwan Tel: +886-2-2226-0126... - Page 3 Infortrend Technology, Inc. Disclaimer Infortrend Technology makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
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Page 4: Warnings And Certifications
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Warnings and Certifications (applies in the U.S. and Canada) FCC Class B Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules (47 CFR, Part 2, Part 15 and CISPR PUB. -
Page 5: Table Of Contents
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Table of Contents ........................ONTACT NFORMATION ...................... ARNINGS AND ERTIFICATIONS ........................AFETY RECAUTIONS VIII Precautions and Instructions......................viii ESD Precautions..........................viii ........................BOUT ANUAL ? ....................HOULD ANUAL Related Documentation ........................ix Conventions............................ix CHAPTER 1 INTRODUCTION ................ - Page 6 EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual 2.6.2 Uninstalled Components...................... 2-7 ........................2-7 ACKMOUNTING 2.7.1 Considerations for Installation Site and Chassis..............2-7 2.7.2 Mounting Holes Positions....................2-8 BBU I ......................2-9 NSTALLATION 2.8.1 BBU Module Installation Overview ..................2-9 2.8.2 Installation Procedure ......................2-9 ....................
- Page 7 EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual BBU....................5-8 EPLACING A AULTY PSU M ..................5-9 EPLACING A AILED ODULE 5.5.1 Notes on PSU Module Maintenance..................5-9 5.5.2 Replacing the PSU Module ....................5-9 ..............5-12 EPLACING A AILED OOLING ODULE 5.6.1 Notes on Cooling Fan Module Maintenance ..............
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Page 8: Safety Precautions
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Safety Precautions Precautions and Instructions • Prior to powering on the subsystem, ensure that the correct power range is being used. • The EonStor A12U and A08U subsystems come with eight (8) or twelve (12) drive bays. -
Page 9: About This Manual
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual About This Manual This manual: • Introduces the EonStor A12U/A08U-G2421 RAID Subsystems. • Describes all the active components in the subsystem. • Provides recommendations and details about the hardware installation process. • Briefly describes how to monitor the subsystem. •... -
Page 10: Important Messages
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Important Messages Important messages appear where mishandling of components is possible or when work orders can be misunderstood. These messages also provide vital information associated with other aspects of system operation. The word “important” is written as “IMPORTANT,”... -
Page 11: Software And Firmware Updates
Infortrend’s site (ftp.infortrend.com.tw) for the latest software or firmware updates. Note that 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 your firmware unless you fully understand what a firmware revision will do. -
Page 12: Chapter 1 Introduction
Chapter 1 Introduction 1.1 Product Overview 1.1.1 Introduction This hardware manual briefly introduces the EonStor A12U and A08U serial ATA (SATA) RAID subsystem series. The SATA-based RAID subsystems come with two 320MB/second SCSI (SCSI-320) host channels and provide RAID protection to the data stored in the eight (8) or twelve (12) hot-swappable, SATA-II hard drives. -
Page 13: Model Variations
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual 1.1.2 Model Variations There are two available models in the 2U version of the EonStor SATA-II RAID subsystem series. Below is a comparison chart listing major components of the two models. A12U-G2421 A08U-G2421 Number of Drive Bays IFT-82AU24GD12 IFT-82AU24GD08... - Page 14 Chapter 1: Introduction Figure 1-3: Locations of Key Components in a 12-bay Model Figure 1-4: Locations of Key Components in an 8-bay Model CAUTION! When working with the subsystem, it is important to use tools with extreme care. Do not place tools or other items on top of the enclosure to help avoid damaging the outward appearance of chassis.
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Page 15: Physical Dimensions
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual 1.1.3.2 Physical Dimensions The subsystems come in a standard 2U, 19” chassis with the following dimensions: • Measured with forearm handles: 482mm x 88mm x 505mm (width x height x depth) • Measured without forearm handles: 446mm x 88mm x 490mm (width x height x depth) NOTE: Components accessed through the front panel are referred to as “Front Panel... -
Page 16: Hard Drive Numbering
Chapter 1: Introduction • Drive bays with drive tray canisters: The drive bays are used to house the subsystem hard drives. A12U contains 12 drive bays while the A08U contains 8 drive bays with a blank plate covering the lower part of the front panel. 1.1.3.4 Hard Drive Numbering The subsystems are housed in an enclosure that is 4 bays wide and 3 or 2 bays high. - Page 17 EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Figure 1-9: Rear View – A12U-G2421 Subsystem Figure 1-10: Rear View – A08U-G2421 Subsystem The rear panels shown above are designed to accommodate the following components: • RAID controller module: The controller module contains a controller main board and a pre-installed DDR DIMM module.
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Page 18: Backplane Board
Chapter 1: Introduction 1.1.3.6 Backplane Board An integrated backplane board separates the front and rear sections of the subsystems. The PCB board provides traces for logic level signal traces and low voltage power paths. It contains no user-serviceable components. 1.2 Subsystem Components All the active components on the subsystems can be accessed through either the front or rear panel. -
Page 19: Drive Trays
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Figure 1-13: Closing the Front Handles 1.2.2 Drive Trays The subsystems come with 12 or 8 drive trays (see Figure 1-14) designed to accommodate separately purchased standard 1-inch pitch, 3.5-inch disk drives. The drive bays are accessed from the enclosure front. -
Page 20: Controller Module Interfaces
Chapter 1: Introduction The controller module contains no user-serviceable components. Except when replacing a faulty unit or installing/upgrading the cache memory inside, the controller module should never be removed or opened. WARNING! Although the RAID controller can be removed, the only time you should touch the controller itself is to replace the memory module or to install the memory module. -
Page 21: Com Port
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual • COM Port All controller modules come with one RS-232C (audio jack) serial port. The serial port is used for local access to the system-embedded configuration utility over the included serial port cable. DIMM Module The controller module comes with a preinstalled 256MB capacity or above DDR RAM DIMM module and can support a larger capacity up to 2GB. -
Page 22: Power Supply Units
Chapter 1: Introduction 1.2.5 Power Supply Units PN: IFT-9272CPSU-0011 The SATA-based EonStor subsystems are equipped with two (2) redundant, hot- swappable, 2U, 350W power supply unit (PSUs) modules. The PSU is permanently mounted into a 2U high (dual-level) bracket especially designed to house both the PSU and a cooling module mounted underneath. -
Page 23: Cooling Fan Modules
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual 1.2.6 Cooling Fan Modules PN: 9272CfanModE-0010 The SATA-based EonStor subsystems are equipped with two (for A08U, the 8-bay model) or three (for A12U, the 12-bay model), 1U single-fan, redundant, hot- swappable cooling modules shown in . -
Page 24: Subsystem Monitoring
Chapter 1: Introduction NOTE: There are two values set for the upper temperature thresholds. One is set for event notification and the other triggering higher fan rotation speed. The preset value for event notification can be changed using the firmware-embedded configuration utility, while the fan speed trigger is not a user’s option. -
Page 25: Audible Alarms
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual terminal emulation program running on a management computer that is connected to the subsystem’s serial port. RAIDWatch: RAIDWatch is a premier web-based graphical user interface (GUI) that can be installed on a remote computer and is used to access the array through LAN or the Internet. -
Page 26: Normalized Airflow
Chapter 1: Introduction 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 components are properly installed. Therefore, a failed component should only be hot- swapped when a replacement is available. -
Page 27: Chapter 2 Hardware Installation
Chapter 2 Hardware Installation 2.1 Introduction This chapter gives detailed instructions on how to install the subsystem. When installing the subsystem, it is necessary to mount the chassis into a rack or cabinet and to install hard drives and drive trays. Installation into a rack or cabinet should occur before the hard drives or drive trays are installed into the subsystem. -
Page 28: Safety Precautions
7. Rack installation: The enclosure chassis can be installed into a rack cabinet using self-purchased mounting rails, or Infortrend’s IFT-9272CEslide28 or IFT- 9272CEslide36 rails. (See Section 2.7) A printed copy of installation guide is provided with the slide rails package. -
Page 29: Chapter 2: Installation
Chapter 2: Installation 6. None of the covers or replaceable modules should be removed in order to maintain compliance with safety, emission, or thermal requirements. 7. Always secure every enclosure module by its retaining screws or make sure it is held in place by its latches. -
Page 30: General Installation Procedure
If this is discovered when you first use the BBU, return it to Infortrend or your system vendor. -
Page 31: Installation Procedure Flowchart
Chapter 2: Installation Step 2. Install an optional BBU: a battery backup unit is highly recommended for its protection to data integrity. It should be installed prior to operating the subsystem. (See Section 2.8) Step 3. Rack/Cabinet installation: If the subsystem is going to be installed in a rack or cabinet, it should be installed prior to installing the hard drives. -
Page 32: Unpacking The Subsystem
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Figure 2-1: Installation Procedure Flowchart 2.5 Unpacking the Subsystem Use the unpacking checklist in your package to check packing contents. Carefully check the items contained in each box before proceeding with installation. Each packed box is separated into the upper and lower levels. Upper level: The boxes on the upper level contain: •... -
Page 33: Installation Overview
The subsystem is easily installed into a standard 19-inch rack cabinet using the mounting holes on the sides of chassis. The enclosure chassis can be installed using self-purchased mounting rails, or Infortrend’s IFT-9272CEslide28 and IFT-9272CEslide36 rails. 2.7.1 Considerations for Installation Site and Chassis •... -
Page 34: Mounting Holes Positions
Infortrend or other vendors. • You may purchase Infortrend’s slide rail options (P/N: IFT-9272CEslide28 & IFT-9272CEslide36). For information on installing the chassis using the slide rails, please refer to the Installation Guide that came with the kit. -
Page 35: Bbu Installation
Chapter 2: Installation 2.8 BBU Installation 2.8.1 BBU Module Installation Overview The BBU module is an optional item that can sustain cached data in the event of a power outage or in the unlikely event that both PSUs have failed. Purchasing and installing a BBU is highly recommended. - Page 36 EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Step 3. Install the BBU module. Align the BBU module with the BBU module slot and gently insert the BBU module until the back of the BBU module reaches the end of the slot. Step 4.
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Page 37: Hard Drive Installation
Chapter 2: Installation 2.9 Hard Drive Installation WARNING! 1. Handle hard drives with extreme care. Hard drives are very delicate. Dropping a drive 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. -
Page 38: Drive Tray Installation
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Figure 2-4: Installing a SATA 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 supplied 6/32 flathead screws. (See Figure 2-4) WARNING! Only use screws supplied with the drive canisters. - Page 39 Chapter 2: Installation Figure 2-5: Front View of an Individual Drive Tray Step 2. Open the front flap on the drive tray. (See Figure 2-6). To open the flap, push the release button (shown in Figure 2-7) on the front bezel. The front flap will open in an upward direction.
- Page 40 EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Step 5. Lock the flap into place by turning the key-lock until the groove on its face is pointing down (vertical orientation). (See Figure 2-8) Figure 2-8: Drive Tray Key-lock Rotation Step 6. Once all drive trays are installed, the RAID subsystem will poll the drive channels and recognize the drives and scan them in automatically.
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Page 41: Chapter 3 System Monitoring
This chapter provides information on how to monitor the A12U and A08U RAID subsystems. 3.1 Subsystem Monitoring Overview Both the EonStor A08U-G2421 and A12U-G2421 subsystems are equipped with a variety of self-monitoring features that help to keep subsystem managers informed of the subsystem operational status. These monitoring features provide vital feedback to help you maintain the operational integrity of the subsystem. - Page 42 EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Configuration Client functionality are given in the RAIDWatch User’s Manual. • LEDs: Device-status-indicating LEDs are placed on all of the subsystems’ active components. These LEDs inform you of the integrity of a given component or a given link.
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Page 43: Status-Indicating Leds
Chapter 3: Monitoring 3.2 Status-indicating LEDs 3.2.1 Brief Overview of the LEDs The following devices come with LEDs that inform subsystem managers about the operational status of the component on which they are mounted. The EonStor subsystems feature status-indicating LEDs distributed over the active components in the following ways: Component LED(s) per Unit... -
Page 44: Ethernet Port Leds
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Name Color Status ON: Indicates controller is active and Controller Green operating normally. Ready FLASHING: Indicates controller initialization is taking place. OFF: Controller is not ready for operation. Hst_Bsy Green FLASHING: Activities on the host ports. (Host Ports OFF: No activities on the host ports. -
Page 45: Lcd Keypad Panel
Chapter 3: Monitoring Name Color Status Link Status Green ON: Indicates a valid connection to network Green LAN Activity BLINKING: Indicates active transmissions Table 3-3: Ethernet Port LED Definitions 3.2.4 LCD Keypad Panel The LCD panel located on the front aluminum foldable handle comes with three status LEDs. -
Page 46: Drive Tray Leds
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual 3.2.5 Drive Tray LEDs Two LED indicators are located on the right side of each drive tray. (See Figure 3- 4) Refer to Table 3- 5 for LED definitions. When notified by a drive failure message, you should check the drive tray indicators to find the correct location of the failed drive. -
Page 47: Bbu Module Led
Chapter 3: Monitoring 3.2.6 BBU Module LED The BBU module has an LED on its faceplate. (See Figure 3-5) The function is the same as the fifth LED on the controller module. The LED is off when the BBU is functioning normally and is able to sustain the cache memory. -
Page 48: Audible Alarm
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Figure 3-7: Cooling Fan Module LED Status The cooling fan module is operating normally. The cooling fan module has failed and must be replaced. Table 3-7: Cooling Fan Module LED Definitions The subsystem has a novel approach to stabilizing the temperature within the subsystem: When the sensors within the enclosure detect critical working conditions, such as high ambient temperature or the failure of any cooling or PSU module, the system will turn the cooling fans to high speed to extract more heat. -
Page 49: Default Threshold Values
Chapter 3: Monitoring 3.3.1 Default Threshold Values NOTE: The threshold values listed below are used to trigger a warning event and sound the alarm. A different value set is reserved for triggering the cooling fans to operate at a high rotation speed. The fan speed value set is not user-configurable. Table 3-8 shows the default threshold values for the subsystem. -
Page 50: I 2 C Monitoring
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual 3.4 I C Monitoring Module presence detection and the general working status of cooling fan and other modules are monitored through an I C serial bus. If any of these modules fails, the failure will be detected and you will be notified via the various methods described above. -
Page 51: Chapter 4: Connection And Operation
Chapter 4: Connection and Operation Chapter 4 System Connection and Operation This chapter introduces sample topologies, configuration options and server connections for the EonStor subsystems and discusses both the power on and power off procedures. 4.1 SCSI Connection Overview The EonStor A12U and A08U subsystems support 2 SCSI host channels and 2 dual- stack connectors featuring support for SCSI-320 protocol (also known as Ultra-320), the latest iteration of the SCSI drive interface standard. -
Page 52: Scsi Termination
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Figure 4- 1: SCSI Connectors on the Controller Rear Panel 4.1.3 SCSI Termination Correct SCSI termination procedures require that the last device on the SCSI bus be terminated. If the last device is not terminated or if devices other than the last are terminated, erratic SCSI bus behavior may occur. -
Page 53: Host Connection Topology
Chapter 4: Connection and Operation 4.2 Host Connection Topology 4.2.1 Single Host Figure 4-2: Single SCSI Controller Connected to a Single Host Computer In the example shown in Figure 4-2, the SCSI ports are connected to two adapters on a host computer to provide path redundancy. If one of the host channels becomes disconnected, or if the cable connecting one of the host ports to the host computer is damaged, data flow will be routed through the second path from the subsystem to the host computer. -
Page 54: Dual Hosts
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual 4.2.2 Dual Hosts Figure 4- 3: Cascaded Subsystems Connected to Two Host Computers In the example shown in Figure 4- 3, the SCSI ports are connected to different host computers. This provides both path and host computer redundancy. If one of the host channels becomes disconnected, or if the cable connecting one of the host ports to the host computer is damaged, the second path can transmit data from the subsystem to one of the host computers. -
Page 55: Power On Sequence
Chapter 4: Connection and Operation Hard drives: Hard drives have been correctly installed on the drive trays. Drive trays: ALL the drive trays, whether or not they have a hard drive, have been installed into the subsystem. Cable connections: The host ports on the subsystem have been correctly connected to host computer(s). -
Page 56: Power On Status Check
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Figure 4- 4: Subsystem Power Switches CAUTION! Although the PSUs are redundant and a single PSU can provide sufficient power to the system, it is advisable to turn both the power switches on. If only one PSU is operating and fails, the whole system will crash. -
Page 57: Lcd Screen
Chapter 4: Connection and Operation 4.3.5 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. Refer to Figure 4- 5 on how to read the screens. Model Name A12U-G2421 Ready... -
Page 58: Power Off Procedure
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual 4.4 Power Off Procedure If you wish to power down the subsystem, please follow these steps: NOTE: If you wish to power down the subsystem, please ensure that no time-consuming processes, like “Regenerate Logical Drive Parity” or a “Media Scan,” are taking place. - Page 59 Chapter 4: Connection and Operation CHAPTER 4 SYSTEM CONNECTION AND OPERATION ............1 SCSI C ....................1 ONNECTION VERVIEW 4.1.1 SCSI Cables ..........................1 4.1.2 SCSI Port on the controller rear panel..................1 4.1.3 Points of Failure..............Error! Bookmark not defined. 4.1.4 SCSI Termination ........................2 ....................3 ONNECTION OPOLOGY...
- Page 60 EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual 4.3.5 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. Refer to Figure 4- 11 on how to read the screens. Model Name A12U-G2421 Ready...
- Page 61 Chapter 4: Connection and Operation 4.4 Power Off Procedure If you wish to power down the subsystem, please follow these steps: NOTE: If you wish to power down the subsystem, please ensure that no time-consuming processes, like “Regenerate Logical Drive Parity” or a “Media Scan,” are taking place.
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Page 62: Overview
Chapter 5 System Maintenance 5.1 Overview 5.1.1 About Subsystem Maintenance Constant monitoring and maintenance of your SATA-based subsystems will minimize the chance of system downtime and preserve the working integrity of the system for a longer period of time. If any of the subsystem plug-in modules fails, they must be replaced as soon as possible. -
Page 63: Replacing Controller Module Components
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual • Qualified engineers who are familiar with the subsystem should be the only ones who make component replacements. If you are not familiar with the subsystems and not familiar with RAID subsystem maintenance in general, it is strongly advised that you refer subsystem maintenance to a suitably qualified maintenance engineer. -
Page 64: Notes On Controller Module Maintenance
Chapter 5: System Maintenance 5.2.2 Notes on Controller Module Maintenance • The controller module contains a DIMM module. It is not recommended to re- use the DIMM module extracted from a failed controller unless you have a similar RAID subsystem that can be used to test the module. You can contact your vendor for sending the failed controller in for repair. -
Page 65: Replacing The Controller Module
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Figure 5- 1: Loosen Controller Module Retention Screws Step 5. Pull the controller module out: Once the retention screws have been removed; gently pull the controller module out of the subsystem chassis. 5.2.4 Replacing the Controller Module Step 1. -
Page 66: Replacing Or Upgrading Memory Modules
Chapter 5: System Maintenance 5.3 Replacing or Upgrading Memory Modules 5.3.1 Memory Module Installation Overview The subsystems come with a pre-installed 256MB (or above) DDR RAM DIMM module on the controller. The controller supports one memory module for the capacity up to 1GB. If a DDR RAM DIMM modules with a different size is preferred or the original memory module has failed in some way, the pre- installed module must be removed and replaced by a new one. -
Page 67: Dimm Module Installation
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual 5.3.3 DIMM Module Installation WARNING! The pre-installed modules must be removed prior to installing new memory modules. Do this with care. Sensitive components can be damaged during the process. If a DIMM module fails or a DIMM module with a higher memory capacity is required, the DIMM module must be replaced. - Page 68 Chapter 5: System Maintenance Figure -3: Insert the DIMM Module Step 5. Reinstall the controller module. After the DIMM module has been properly installed, the controller module must be reinstalled. To do this, align the controller module with the controller module bay. Then gently push the controller module in the controller bay.
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Page 69: Replacing A Faulty Bbu
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual 5.4 Replacing a Faulty BBU IMPORTANT! The BBU is hot-swappable, can be replaced while the subsystem is running. However, a new module will only be recognized after a subsystem reset. Carefully select the time when the reset will be made in order to minimize the overall disruption to service. -
Page 70: Replacing A Failed Psu Module
Chapter 5: System Maintenance Step 4. Once the new BBU module is correctly installed into the subsystem, the LED should start flashing, indicates the BBU is being charged. When the BBU is fully charged, the LED will go off. 5.5 Replacing a Failed PSU Module 5.5.1 Notes on PSU Module Maintenance •... - Page 71 EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Step 3. Remove the retention screw: After the power cable has been removed from the power connector, remove the retention screw at the upper right side of the PSU rear-end panel. (See Figure 5- 7) The screw is located below the extraction lever, beside the LED indicator, and can be hidden from sight.
- Page 72 Chapter 5: System Maintenance Figure 5- 8: Dislodging the PSU Step 5. Remove the cooling module: To do this, push the clips on either side of the module rear panel together. Then gently pull the cooling module out of the lower level of the PSU bracket. (See Figure 5- Figure 5-9: Remove the Cooling Module Step 6.
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Page 73: Replacing A Failed Cooling Fan Module
• Redundant cooling fan modules: The subsystems are equipped with two (2, EonStor A08U-G2421) or three (3, EonStor A12U-G2421) redundant, hot- swappable, single-blower cooling fan modules located in the lower PSU module slot. These cooling fan modules control the internal operational temperature of the subsystem and therefore their working integrity should be maintained at all times. -
Page 74: Drive Tray Maintenance
Chapter 5: System Maintenance Step 1. To remove the cooling fan module: Squeeze both side latches towards the center of the cooling fan module and gently withdraw the cooling fan module from the subsystem by gently pulling on the silver handle at the bottom. (See Figure 5- 10). Release the module using the latches Figure 5- 10: Removing the Cooling Fan Module... - Page 75 EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Figure 5- 11: Forearm Handle Locking Mechanism Front flap mechanism: Do not leave a drive tray’s front flap open. The front flap and its key-lock secure a drive tray to chassis slot. A disk drive operating with the half-open front bezel may result in signal glitches and Data Compare Errors might ensue.
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Page 76: Replacing A Failed Hard Drive
Chapter 5: System Maintenance 5.7.2 Replacing a Failed Hard Drive To replace a hard drive, please follow these steps: WARNING! Hard drives are fragile. Please always handle hard drives with extreme care. Do not drop the hard drives; always be slow, gentle and careful when handling a hard drive. - Page 77 EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Figure 5-13: Drive Tray Key-Lock Rotation Step 4. Remove the drive tray along with the hard drive in it. Once the drive tray is dislodged from the chassis, gently and carefully withdraw the drive tray from the chassis. Step 5.
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Page 78: Appendix A Subsystem Specifications
Appendix A Subsystem Specifications A.1 Technical Specifications Environmental Specifications Humidity 5 to 95% (non condensing – operating and non-operating) Operating: 0º to 40ºC Temperature Non-operating: -40º to 60ºC Sea level to 12,000ft – operating Altitude Sea level to 20,000ft – non-operating Power Requirements 115VAC @ 6A Input Voltage... -
Page 79: Vibration
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual System Weight Net weight: 23.5kg Gross weight: 25.0kg (without disk drives) EMI/EMC • FCC Class-B • Safety Requirements • • Shock Half-sine Operating: 5G peak, 11ms duration Non-operating: 15G, 11ms, half-sine Vibration 0.5oct/min Operating 0.5oct/min Non-operating... -
Page 80: Appendix A: Subsystem Features
One 10/100BasedT for local or remote management Gigabit Ethernet access DIMM Slot One 184-pin DDR DIMM module ASIC Infortrend 64-bit chipset (ASIC266) Flash ROM 32Mbit (4MB) NVRAM 32KB with RTC Hardware XOR For event messages with time record tracking and Real-time Clock scheduled maintenance tasks, e.g., Media Scan. -
Page 81: Drive Tray Specifications
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual A.3 Drive Tray Specifications Specification Height 28mm Width 110mm Depth 218.92mm Key Lock A.4 Power Supply Specifications Specification Nominal Power 350W DC Output 12.0V: 25A 5.0V: 25A 3.3V: 20A Input Frequency 47 to 63Hz AC Input 115VAC @ 6A or 240VAC @ 3A with PFC Power Factor... -
Page 82: Raid Management
Manager session, event notifications, or event prompts on terminal emulation A.7 Fault Tolerance Management Specification SATA drive SMART support Battery Back-up Option ISEMS (Infortrend Simple Enclosure Management Service) via I C Interface Automatic Drive Failure Detection Regenerate Logical Drive Parity... - Page 83 EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual Concurrent rebuild on Multiple Drives in a RAID (0 + 1) Logical Drive Salvage the 2 Temporarily Failed Drive in a RAID 1, 3 or 5 Logical Drive Salvage the 1 Temporarily Failed Drive in a RAID 0 Logical Drive Fault Tolerance Management Download from Www.Somanuals.com.
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Page 84: Appendix B Spare Parts And Accessories
Appendix B Spare Parts and Accessories B.1 Spare Parts B.1.1 Spare Parts Overview Except the RAID controller module, all the active components in the subsystems can be replaced while the system is running. If any of these components fails then it can, if configured in a fully redundant mode, be hot-swapped. -
Page 85: Controller Modules
EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual B.1.3 Controller Modules Model Name Description IFT-82AU24GD08 SCSI-to-SATA RAID controller module, 2 x SCSI-320 host channels, 8 x SATA II drive channels. IFT-82AU24GD08-M2 SCSI-to-SATA RAID controller module, 2 x SCSI-320 host channels, 8 x SATA II drive channels, 256MB DDR RAM. -
Page 86: Accessories And Optional Items
Appendix B: Spare Parts and Accessories B.2 Accessories and Optional Items B.2.1 Accessories Overview A number of accessory items are available for the EonStor A08U/A12U-G2421 subsystem. Some of these accessory items come with the subsystem; but if damaged or if more accessory items are needed, they can be ordered separately. Available accessory items are listed below: B.2.2 Accessory Parts List Model Name... -
Page 87: Appendix C Pinouts
Appendix C Pinouts C.1. SCSI Port: VHDCI Connector Pinouts The SCSI port connector pinouts comply with specifications in T10 Working Draft, Project 1365D, SCSI Parallel Interface-4. * NC = No Connection, * GND = Ground, * TPWR = Terminator Power Name Name SD12+... -
Page 88: Com1 Cable: Db9 And Audio Jack Pinouts
EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual SSEL+ SSEL- SC_D+ SC_D- SREQ+ SREQ- SI_O+ SI_O- SD8+ SD8- SD9+ SD9- SD10+ SD10- SD11+ SD11- C.2. COM1 Cable: DB9 and Audio Jack Pinouts Figure CT-1: Serial Port Cable CN1 and CN2 Connectors COM 1 Cable: C onnects a PC running a terminal emulation program CN1 Pin Number... -
Page 89: Ift-9011 Null Modem
Appendix C Pinouts NOTE: A null modem is used for wire-swap and is necessary for connecting in between COM1CN2 and a PC serial port. C.3. IFT-9011 Null Modem Swap Pin 2 and Pin 3 Swap Pin 4 and Pin 6 Swap Pin 7 and Pin 8 Table -2: Null Modem Pinouts C.4. - Page 90 Index Drive Trays, 3-3 dummy plate, 2-9 - A - accessory items, 2-6 - E - Air Flow, A-4 Airflow, 2-2 ejection handle, 5-10 airflow clearance, 2-2 electrostatic discharge, 2-1 Ambient Temperature, 4-8 Ethernet link, 1-14 array identification, 1-7 ethernet port, 1-9 audible alarm, 1-14, 3-8, 3-9 Ethernet Port, C-3 Audible Alarm, 3-2...
- Page 91 EonStor A08U-C2411 Installation and Hardware Reference Manual lower level, 2-6 Retention Latch, 1-7 retention screws, 5-8 RJ-45 cable, 2-5 - M - RJ-45 port, 1-9 media scan, 4-11 RS-232C (Audio Jack) serial port, 1-10 memory module, 4-7 mini-SCSI connector, 1-9 - S - Model Variations, 1-2 SATA drives, 2-11...
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