G-Technology G SPEED STUDIO XL Product Manual

G-Technology G SPEED STUDIO XL Product Manual

Hardware raid 8-bay thunderbolt 2 storage solution
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PRODUCT MANUAL
G SPEED
XL
STUDIO
with Thunderbolt™
Hardware RAID 8-Bay Thunderbolt™ 2 Storage Solution
g-technology.com

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Summary of Contents for G-Technology G SPEED STUDIO XL

  • Page 1 PRODUCT MANUAL G SPEED STUDIO with Thunderbolt™ Hardware RAID 8-Bay Thunderbolt™ 2 Storage Solution g-technology.com...
  • Page 2: Table Of Contents

    Disconnect the Drive ...................14 Deleting a Scheduled Background Activity .........47 Configuring G-SPEED Studio XL Media Patrol ....................48 Changing Media Patrol Settings ..............48 G-Technology Assistant ................17 Redundancy Check ..................48 Recommended Installation ..............17 Changing Redundancy Check Settings ..........49 G-SPEED Studio Software Utility ..............18 Initialization .....................49...
  • Page 3 Table of Contents G SPEED STUDIO with Thunderbolt™ Running Media Patrol on Your Physical Drives ........63 Creating a Spare Drive Manually .............91 Managing Disk Arrays ................64 Changing Spare Drive Settings ..............92 Viewing a List of Disk Arrays ..............64 Running Spare Check ..................93 Viewing Disk Array Information ...............65 Deleting a Spare Drive .................93 Creating a Disk Array Manually ..............65...
  • Page 4: Safety & General Use

    Safety & General Use • Safety Precautions ........p. 5 • Backup Your Data ......... p. 6 • Make Two Backups ......... p. 6...
  • Page 5: Safety Precautions

    Safety & General Use G SPEED STUDIO with Thunderbolt™ Safety Precautions Your G-SPEED Studio XL’s warranty may be voided as a result of failing to respect the precautions listed below. If you detect a problem with your drive, please contact our Technical Support department.
  • Page 6: Backup Your Data

    However, if any file system corruption occurs, the data contained on G-SPEED Studio XL may be affected. For critical data, G-Technology recommends keeping one copy on your G-SPEED Studio XL and at least one additional copy on another storage device.
  • Page 7: About Your G-Speed Studio Xl

    About Your G-SPEED Studio XL • Introduction ............ p. 8 • What’s in the Box .......... p. 9 • System Requirements ......... p. 9 • Overview of the Drive ......... p. 10...
  • Page 8: Introduction

    STUDIO with Thunderbolt™ Introduction Thank you for purchasing the G-Technology G-SPEED Studio XL, featuring 20 Gb/s Thunderbolt 2 interface technology. Specifically designed for professional content creation applications, the G-SPEED Studio XL storage system provides RAID 0, 1, 1E, 5, 6, 10, 50, 60 and JBOD functionality for both application performance and data protection.
  • Page 9: What's In The Box

    • Eight removable Enterprise-class drive modules (installed in unit) • (1) Thunderbolt cable • Power Cord • Quick Start Guide If any items are missing, please contact G-Technology at www.g-technology.com/contact/contact_support Download the latest G-SPEED Studio XL manual and utilities at: www.g-technology.com/support/gspeed_studio_xl...
  • Page 10: Overview Of The Drive

    About Your G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Overview of the Drive G-SPEED Studio XL ships from the factory preconfigured in RAID 5. The RAID controller also supports Protected RAID modes on XL: RAID 1, 1E, 5, 6, 10, 50 and 60. For an explanation of these RAID levels, please refer to RAID Levels Explained.
  • Page 11: Using Your Drive

    Using Your Drive • Drive Activity LED ........p. 12 • Warning LED and Alarms ....... p. 13 • Disconnect the Drive ......p. 14...
  • Page 12: Drive Activity Led

    Using Your Drive G SPEED STUDIO with Thunderbolt™ Drive Activity LED Under normal operation, each G-SPEED Studio XL drive module has an LED that glows blue, indicating a connection to the RAID controller. The LED will flash when the drive is being accessed. Drive module power/ activity LED p.
  • Page 13: Warning Led And Alarms

    Utility to determine if any user action is required or contact our support team for further troubleshooting. Drive Module LED (red) indicating an issue Alarm Mute button If you hear an audible alarm and see the red warning LED on G-SPEED Studio XL front, stop using the enclosure and contact G-Technology support. p. 13...
  • Page 14: Disconnect The Drive

    Using Your Drive G SPEED STUDIO with Thunderbolt™ Disconnect the Drive A great feature of Thunderbolt technology and G-SPEED Studio XL is the ability to connect and disconnect the system while your computer is running. To prevent drive failures and/or data loss, it is important to follow the steps below when disconnecting or unmounting the drive from your computer.
  • Page 15: Configuring G-Speed Studio Xl

    Configuring G-SPEED Studio XL • G-Technology Assistant ............p. 17 • Media Patrol................p. 48 • Recommended Installation ..........p. 17 • Changing Media Patrol Settings ........p. 48 • G-SPEED Studio Software Utility ........p. 18 • Redundancy Check .............. p. 48 • Power Modes on G-SPEED Studio XL ......
  • Page 16 Configuring G-SPEED Studio XL (continued) • Choosing Automatic Configuration....... p. 68 • Pausing and Resuming a Redundancy Check .... p. 87 • Choosing Express Configuration ........p. 69 • Stopping a Redundancy Check ........p. 87 • Choosing Advanced Configuration ....... p. 71 • Migrating a Logical Drive ...........
  • Page 17: G-Technology Assistant

    Please visit the site to check for updates as well as helpful tips and tricks. Recommended Installation When you first setup G-SPEED Studio XL you will want to install the G-Technology Assistant on your computer along with the G-SPEED Studio Software Utility.
  • Page 18: G-Speed Studio Software Utility

    (RAID 5) or if you will swap out any of the pre-installed hard drives. The G-SPEED Studio Software Utility installation package is available on the G-Technology website and can be easily downloaded. Follow the instructions below to easily install the G-SPEED Studio Software Utility.
  • Page 19 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 3. Double-click on the G-SPEED_Studio_Software_Utility.pkg* file to begin the installation. The introduction window explains that software will be installed on the Mac®. You can review the software license agreement. Once ready, click the Continue button to proceed. p.
  • Page 20 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 4. The software license agreement will appear. Please read the statement and click Continue to proceed. 5. Click Agree if you agree to the terms of the license. To read the license, click Read License. Choose Disagree if you do not agree with the terms.
  • Page 21 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 6. Click Install to begin the installation process. 7. The G-SPEED Studio Software Utility will install in a few moments. Once complete, a message will inform you that the installation was successful. Click Close to complete the installation procedure. The G-SPEED Studio Software Utility is now available to help manage your G-SPEED Studio XL.
  • Page 22: Power Modes On G-Speed Studio Xl

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Power Modes on G-SPEED Studio XL G-SPEED Studio XL introduces new power-saving and condition-response features. The automatic power features are: • Sleep — When your Mac® computer goes to sleep, G-SPEED Studio XL automatically goes into standby mode after all background activities complete.
  • Page 23: Daisy Chaining Multiple G-Speed Studio Xl Units

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Daisy Chaining Multiple G-SPEED Studio XL Units Up to six G-SPEED Studio XL or Thunderbolt-enabled devices can be connected to each other and to your Mac® in a sequential Thunderbolt connection. To daisy chain multiple Thunderbolt devices to your G-SPEED Studio XL, follow these steps: 1.
  • Page 24 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Thunderbolt daisy chain connections HDMI p. 24...
  • Page 25: Displaying Multiple G-Speed Studio Xl Units

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Displaying Multiple G-SPEED Studio XL Units The G-SPEED Studio Software Utility displays a separate window for each powered up G-SPEED Studio XL unit connected by Thunderbolt. • To view a list of the G-SPEED Studio XL units, click the View menu. • To display a G-SPEED Studio XL unit in the G-SPEED Studio Software Utility, go to the View menu choose the unit you want to see.
  • Page 26: Accessing The G-Speed Studio Software Utility

    • Unlocking the UI Opening To open the G-SPEED Studio Software Utility, double-click the G-SPEED Studio Software Utility icon in the Applications folder. The G-Technology Utility window will open and display the Dashboard. See G-SPEED Studio Software Utility Overview. p. 26...
  • Page 27 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ You can also choose to place an alias into the dock. Closing There are two ways to close the G-SPEED Studio Software Utility: G-SPEED Studio Utility icon 12. Click the G-SPEED Studio Software Utility drop-down menu and choose Quit G-SPEED Studio Software Utility.
  • Page 28: Unlocking The Ui

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Unlocking the UI By default, the user interface (UI) is locked to prevent unauthorized changes to your RAID system. When the UI is locked, you cannot create logical drives or change settings on your G-SPEED Studio XL. To unlock the UI: 1.
  • Page 29: G-Speed Studio Software Utility Overview

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ G-SPEED Studio Software Utility Overview The G-SPEED Studio Software Utility interface consists of menus and icons, each leading you to a specific function. The G-SPEED Studio Software Utility interface with the Dashboard displayed: Toolbar icons • G-SPEED Studio Software Utility –...
  • Page 30: Toolbar Icons

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Toolbar Icons • Dashboard – Displays the Dashboard and overview • Wizard – Displays the Wizard options for quickly setting up RAID arrays • Physical Drive – Displays the physical drive list, settings and functions • Disk Array –...
  • Page 31: Component List

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Component List Click the Dashboard icon. From the System Status list choose Controller to view the Component List option to display the device ID, operational status, enclosure type and status description of all enclosures.
  • Page 32: Highlight Arrays

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Highlight Arrays From the Disk Array menu, select the Locate button to identify the physical drives assigned to a disk array. The LEDs on the enclosure will appear purple and flash in sync. The bays/carriers containing drives that do not belong to the chosen disk array will not be highlighted.
  • Page 33: Managing System Information

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Device: Front View display menu Click on the drive modules to view the status and identify the assigned disk array. Managing System Information Enclosure management includes: • “Viewing System Information” • “Making System Settings” • “Clearing Statistics”...
  • Page 34: Viewing System Information

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing System Information To view enclosure information, click the System Information icon. System Information includes: • Alias * – (same as controller alias) • Model • WWN (Worldwide Number) • Vendor • Serial number • Revision number • System date and time...
  • Page 35: Clearing Statistics

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Clearing Statistics To clear statistical data on the RAID controller, physical drives, and logical drives: 1. Click the System Information icon. 2. Click the Clear Statistics button. 3. Type the word “CONFIRM” in the field provided. 4.
  • Page 36: Saving A Service Report

    Updating Firmware For optimal controller and system hardware performance, it is a good idea to keep your G-SPEED Studio XL firmware up to date. Download the latest firmware from the G-Technology website at www.g-technology.com/support/g-speed_studio_xl and place the .img file on your Mac®.
  • Page 37: Managing Enclosures

    2. Click on the padlock icon to unlock the menu, then type in the password for your Mac® when the prompt appears. 3. Click the Choose File button and locate the .img file you downloaded from G-Technology. 4. Click the Submit button.
  • Page 38: Viewing Temperature Sensor Information

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Enclosure information includes: • Enclosure ID • Enclosure Warning Temperature Threshold • Controller Warning Temperature Threshold • SEP Firmware Version • Max Number of Controllers • Max Number of Fans • Max Number of Power Supply Units • Enclosure Type • Enclosure Critical Temperature Threshold • Controller Critical Temperature Threshold...
  • Page 39: Locating An Enclosure

    Locating an Enclosure If you have multiple G-SPEED Studio XL units and you want to verify which unit you are accessing in the G-Technology Utility, use the Locate function. To locate an enclosure: 1. From Logical Drive Icon Click the Locate button.
  • Page 40 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Controller information includes: Controller ID Alias * (same as enclosure alias) Vendor Model Operational Status Power On Time Cache Usage – Percentage Dirty Cache Usage – Percentage Part Number Serial Number Hardware Revision WWN (Worldwide Number) SCSI Protocol Supported...
  • Page 41: Viewing Controller Statistics

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing Controller Statistics To view controller statistics: 1. Click the Dashboard icon, then click the Controller link. 2. Click the Statistics tab. Controller statistics include: Read Data Transferred Data Transferred Write Data Transferred Errors Non-Read/Write Errors Read Errors...
  • Page 42: Changing Buzzer Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Write Back Cache Flush Interval – Enter a value into the field from 1 to 12 seconds. Enclosure Polling Interval – 15 to 255 seconds. • Adaptive Writeback Cache – Check the box to enable or uncheck to disable. • Forced Read Ahead –...
  • Page 43: Managing Background Activities

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Managing Background Activities Background activity management includes: • “Viewing Current Background Activities” • “Adding a Scheduled Background Activity” • “Changing a Background Activity Schedule” • “Enabling or Disabling a Scheduled Background Activity” • “Deleting a Scheduled Background Activity”...
  • Page 44: Viewing Scheduled Background Activities

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing Scheduled Background Activities To view a list of scheduled background activities: 1. Click on the Background Activities icon. 2. Click the Scheduler button. The list of scheduled background activities will appear. Adding a Scheduled Background Activity To add a new scheduled background activity: 1.
  • Page 45: Changing Background Activity Schedule

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Choose an End On option: • No end date or perpetual • End after a specific number of activity actions • Run until date from the drop-down menus For Redundancy Check, choose: • Auto Fix option –...
  • Page 46 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Choose a Start Time from the drop-down menus. The menus have a 24-hour clock. Choose a Recurrence Pattern option: daily, weekly or monthly. • For the Daily option, enter an interval in the Every field. • For the Weekly option, enter an interval in the Every field and choose one or more days of the week.
  • Page 47: Enabling Or Disabling A Scheduled Background Activity

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Enabling or Disabling a Scheduled Background Activity Background activity schedules are enabled by default when you create a schedule. If you want to stop a background activity now but plan to use it again in the future, disable the scheduled activity rather than deleting it.
  • Page 48: Media Patrol

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Media Patrol Media Patrol is a routine maintenance procedure that checks the magnetic media on each disk drive. Media Patrol checks are enabled by default on all disk arrays and spare drives. Media Patrol is concerned with the media itself, not the data recorded on the media.
  • Page 49: Changing Redundancy Check Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing Redundancy Check Settings To change Redundancy Check settings: 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the Redundancy Check Rate drop-down menu and choose a rate: • Low: Fewer system resources are required for redundancy checking, leaving more resources for data read/write operations.
  • Page 50: Changing Initialization Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing Initialization Settings To change initialization settings: 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the Logical Drive Initialization Rate drop-down menu and choose a rate: • Low: Fewer system resources are allocated to initialization, leaving more resources for data read/write operations.
  • Page 51: Changing Rebuild Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing Rebuild Settings 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the Rebuild Rate drop-down menu and choose a rate: • Low: Fewer system resources are allocated to the rebuild, leaving more resources for data read/write operations.
  • Page 52: Changing Migration Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing Migration Settings To change migration settings: 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the Migration Rate drop-down menu and choose a rate: • Low: Fewer system resources are available for migration, leaving more resources for data read/write operations.
  • Page 53: Changing Pdm Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing PDM Settings To change PDM settings: 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the PDM Rate drop-down menu and choose a rate: • Low: Fewer system resources are allocated to PDM, leaving more resources for data read/ write operations.
  • Page 54: Changing Transition Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing Transition Settings To change Transition settings: 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the Transition Rate drop-down menu and choose a rate: • Low: Fewer system resources are available to Transition, leaving more resources for data read/write operations.
  • Page 55: Changing Synchronization Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Changing Synchronization Settings To change Synchronization settings: 1. Click on the Background Activities icon. 2. Click the Settings button. 3. Click the Background Synchronization Rate drop-down menu and choose a rate: • Low: Fewer system resources are available to Synchronization, leaving more resources for data read/write operations.
  • Page 56: Viewing A List Of Physical Drives

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing a List of Physical Drives To view a list of physical drives in your G-SPEED Studio XL, click the Physical Drive icon. Physical drive information includes: • ID – ID number of the physical drive • Status - Normal, Stale, or PFA or Dead icon • Model Number • Type –...
  • Page 57 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ • Drive Interface – SATA 1.5, 3 Gb/s or 6 Gb/s • Serial Number – Serial number of the drive • Firmware Version – Firmware version on the drive • Protocol Version – ATA/ATAPI protocol version 3.
  • Page 58: Viewing Physical Drive Statistics

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing Physical Drive Statistics To view physical drive statistics: 1. Click the Physical Drive icon. 2. Mouse-over the physical drive you want, then click the View button. 3. Click the Statistics tab. Physical drive information includes: • Data Transferred • Read Data Transferred...
  • Page 59: Viewing Physical Drive Smart Log Information

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing Physical Drive SMART Log Information To view physical drive SMART Log information: 1. Click the Physical Drive icon. 2. Mouse-over the physical drive you want, then click the View button. 3.
  • Page 60: Changing Global Physical Drive Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Running the Locate function to identify a physical drive: Drive power/status LEDs blink blue and orange Changing Global Physical Drive Settings To change global physical drive settings: 1. Click the Physical Drive icon 2.
  • Page 61: Changing Physical Drive Smart Log Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ To change individual physical drive settings: 1. Click the Physical Drive icon. 2. Mouse-over the physical drive you want, then click the Settings button. 3. Make changes as needed: • Enter, change or delete the alias in the Alias field. • Choose Unconfigured or PassThru Configuration.
  • Page 62: Clearing A Stale Or Pfa Condition

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Clearing a Stale or PFA Condition Stale – The physical drive contains obsolete disk array information. PFA – The physical drive has errors resulting in a prediction of failure. Be sure you have first corrected the condition by replacing the physical drive and conducting a rebuild operation, etc.
  • Page 63: Running Media Patrol On Your Physical Drives

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Running Media Patrol on Your Physical Drives Media Patrol is a routine maintenance procedure that checks the magnetic media on each disk drive. Media Patrol checks are enabled by default on all disk arrays and spare drives. Media Patrol is concerned with the media itself, not the data recorded on the media.
  • Page 64: Managing Disk Arrays

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Managing Disk Arrays Disk array management includes: • “Viewing a List of Disk Arrays” • “Viewing Disk Array Information” • “Creating a Disk Array Manually” • “Creating a Disk Array and Logical Drive With the Wizard” • “Making Disk Array Settings”...
  • Page 65: Viewing Disk Array Information

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing Disk Array Information To view disk array information: 1. Do one of the following actions: • From the Dashboard window, click the Disk Array link. • From the Storage menu, choose Disk Array. 2.
  • Page 66 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ To create a disk array: 1. From the Dashboard menu, click the Disk Array link. 2. Click the Create Disk Array button. 3. Accept the defaults or make changes: • Enter an alias in the Alias field with a maximum of 32 characters (letters, numbers and spaces between characters).
  • Page 67: Creating A Disk Array And Logical Drive With The Wizard

    Your computer saves files within logical drives on G-SPEED Studio XL. The G-Technology Utility includes a Wizard to help you set up a disk array, logical drives and spare drives. To open the Wizard, click the Storage menu and choose Wizard.
  • Page 68: Choosing Automatic Configuration

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Choosing Automatic Configuration To use the Automatic Configuration Wizard: 1. From the Storage menu, choose Wizard. 2. Click the Automatic button. The Automatic Configuration dialog box will appear. Automatic Configuration dialog box: 3.
  • Page 69: Choosing Express Configuration

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Choosing Express Configuration To use the Express Configuration Wizard: 1. From the Storage menu, choose Wizard. 2. Click the Express button. The Express Configuration dialog box will appear. Express Configuration dialog box: 3.
  • Page 70 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 5. From the Application Type drop-down menu, choose an application that best describes your intended use for the logical drives. • File Server (default) • Video Stream • Transaction Data • Transaction Log • Other 6. Click the Next button to continue. The Summary dialog box will appear with information about the disk arrays, logical drives and spare drives you are about to create.
  • Page 71: Choosing Advanced Configuration

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Choosing Advanced Configuration This option enables you to specify additional parameters for a new disk array, logical drives and spare drives. To use the Advanced Configuration Wizard: 1. From the Storage menu, choose Wizard. 2.
  • Page 72 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ • Enter a value for capacity and choose the appropriate size unit of measurement (MB, GB or TB) • Choose a Stripe size: 64 KB, 128 KB, 256 KB, 512 KB and 1 MB are available. • Choose a Sector size: 512 B, 1 KB, 2 KB, and 4 KB are available. • Choose a Read Cache Policy: The choices are Read Cache, Read Ahead (cache), and None. • Choose a Write (cache) Policy: The choices are WriteThru and WriteBack. WriteBack requires a ReadCache or Read Ahead/Read Cache Policy. • If you want the Utility to format your logical drives, leave the Format box checked. For additional format options, see Formatting Your Logical Drives. 2. Click the Add button. The new logical drive will appear on the list at the right. If any capacity remains, you will have the option to create an additional logical drive.
  • Page 73: Formatting Your Logical Drives

    If you unchecked the Format box, you must format your logical drives manually. When the G-Technology Utility finishes the partition and format operation, new removable drive icons, each representing one logical drive, will appear on your desktop. When you see these icons, your new logical drive(s) will be ready to use.
  • Page 74: Locating A Disk Array

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 3. Make the following setting changes as required: • Enter change, or delete the alias in the Alias field. An alias must be a maximum of 32 characters (letters, numbers and spaces between characters). • Enable Media Patrol – Check to enable or uncheck to disable on this array. • Enable PDM –...
  • Page 75: Deleting A Disk Array

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 2. Mouse-over the disk array you want to identify, then click the Locate button. The drive power/ status LEDs for the physical drives that comprise the array will blink blue for one minute. Running the Locate function to identify a disk array: Drive power/status LEDs blink...
  • Page 76: Preparing A Disk Array For Transport

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Preparing a Disk Array for Transport This feature prepares the physical drives that make up the disk array to be removed from the enclosure and installed in a different G-SPEED Studio XL enclosure. To prepare a disk array for transport: 1.
  • Page 77 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Performing a Manual Rebuild To perform a manual rebuild: 1. Click on the Background Activities icon. 2. Mouse-over Rebuild, then click the Start button. 3. From the Source Physical Drive drop-down menu, choose a Source disk array and physical drive. Arrays have an ID number.
  • Page 78: Pausing And Resuming A Rebuild

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Pausing and Resuming a Rebuild To pause or resume a Rebuild: 1. Click on the Background Activities icon. 2. Mouse-over Rebuild, then click the Pause or Resume button. Stopping a Rebuild To stop or cancel a Rebuild: 1.
  • Page 79: Viewing A List Of Logical Drives

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing a List of Logical Drives To view a list of logical drives, perform one of the following actions: • Click the Logical Drive icon. • From the Storage menu, choose Logical Drive. The list of logical drives will appear. Logical drive information includes: • ID –...
  • Page 80: Viewing Logical Drive Statistics

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ • Capacity – Data capacity of the logical drive • Number of Axles – For RAID 10, two axles • Physical Capacity – Data capacity of the physical drives • Number of Physical Drives – The number of physical drives in the disk array • Stripe size –...
  • Page 81: Changing Logical Drive Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 2. Mouse-over the logical drive you want, then click the View button. 3. Click the Statistics tab. Logical Drive statistics will display, including: • Data Transferred – In megabytes • I/O Requests • Read Data Transferred – In megabytes • Non-Read/Write I/O Requests • Write Data Transferred – In megabytes • Read I/O Requests • Errors • Write I/O Requests • Non-Read/Write Errors • Statistics Start Time • Read Errors...
  • Page 82: Viewing Logical Drive Check Tables

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Viewing Logical Drive Check Tables This feature allows you to view error tables. Use this information to evaluate the integrity of a logical drive and determine whether corrective action is needed. To view logical drive check tables: 1.
  • Page 83 Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 1. One of the following actions: • Click the Logical Drive icon. • From the Storage menu, choose Logical Drive. 2. Click the Create Logical Drive button. 3. Click the radio button of the disk array you want to use, then click the Next button. 4.
  • Page 84: Formatting Your Logical Drives

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Formatting Your Logical Drives If you left the Format box checked when you created your logical drives, they will be formatted automatically. If you Unchecked the Format box, you must format your logical drives manually. See Formatting Logical Drives.
  • Page 85: Deleting A Logical Drive

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Deleting a Logical Drive This action requires administrator or superuser privileges. To delete a logical drive: 1. Perform one of the following actions: • Click the Logical Drive icon. • From the Storage menu, choose Logical Drive. The list of logical drives will appear. 2.
  • Page 86: Pausing And Resuming An Initialization

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ To initialize a logical drive: 1. Click on the Background Activities icon. The list of background activities will appear. 2. Mouse-over Initialization, then click the Start button. 3. Check the box to the left of the logical drive you want to initialize. 4.
  • Page 87: Redundancy Check On A Logical Drive

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Redundancy Check on a Logical Drive Redundancy Check is a routine maintenance procedure for fault-tolerant disk arrays (those with redundancy) that ensures the redundant copies of data still match the original source data. Redundancy Check can also correct inconsistencies.
  • Page 88: Migrating A Logical Drive

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Migrating a Logical Drive Migration means one or both of the following: • Changing the RAID level of a logical drive • Expanding the storage capacity of a logical drive Before you begin a migration, examine your current disk array to determine whether: • The physical drives in your array can support the target RAID level • There is sufficient capacity to accommodate the target logical drive size If you need to add physical drives to your array, be sure there are unassigned physical drives installed...
  • Page 89: Running Pdm On A Logical Drive

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Running PDM on a Logical Drive Predictive Data Migration (PDM) is the migration of data from the suspect disk drive to a spare drive, similar to rebuilding a disk array. But unlike rebuilding, PDM automatically copies your data to a spare drive before the drive fails and your logical drive goes critical.
  • Page 90: Managing Spare Drives

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Managing Spare Drives Spare drive management includes: • Viewing a List of Spare Drives (see below) • “Creating a Spare Drive Manually” • “Making Spare Drive Settings” • “Running Spare Check” • “Deleting a Spare Drive” • “Running a Transition” Viewing a List of Spare Drives To view a list of spare drives, perform the following action: • From the Dashboard window, click Spare Drive. Spare Drive information will display, including: • ID –...
  • Page 91: Creating A Spare Drive Manually

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Spare Drive information will display, including: • Spare Drive ID – Spare0, Spare1, etc. • Physical Drive ID – ID number of the physical drive chosen for this spare • Location – Enclosure number and slot number • Model Number –...
  • Page 92: Changing Spare Drive Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ 3. For each of the following items, accept the default or change the settings as required: • Check the Revertible box if you want a revertible spare drive. A revertible spare drive returns to its spare drive assignment after you replace the failed physical drive in the disk array and run the Transition function.
  • Page 93: Running Spare Check

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Running Spare Check Spare Check verifies the status of your spare drives. To run Spare Check: 1. From the Dashboard window, click the Spare Drive link. The list of spare drives will appear. 2.
  • Page 94: Running A Transition

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Running a Transition To run a Transition on a revertible spare drive: 1. Click on the Background Activities icon. The list of background activities will appear. 2. Mouse-over Transition, then click the Start button. 3.
  • Page 95: Formatting Logical Drives

    • Mac OS® Disk Utility Both the G- SPEED Studio Software Utility and your Mac®’s Disk Utility offer a choice of formatting options. However, if there is no specific reason to customize the settings, G-Technology’s default format settings are recommended. G-SPEED Studio XL Software with Default Settings Wizard, Automatic or Express When you create your logical drives using the Wizard’s Automatic or Express options, your logical...
  • Page 96: G-Speed Studio Software Utility With Custom Settings

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ When the G- SPEED Studio Software Utility finishes the format operation, new removable drive icons, each representing one logical drive, will appear on your desktop. When you see the icon, your logical drive is ready to use.
  • Page 97: Disk Utility

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ • For Macintosh® computers, the default GPT Format partition and the default. • Journaled HFS+ format are recommended. 3. Click the Format button. When the G-SPEED Studio Software Utility has finished the partition and format operation, new removable drive icons, each representing one logical drive, will appear on your desktop.
  • Page 98: Spare Drives

    A spare drive is a physical drive that you designate to automatically replace the failed physical drive in a disk array. See Creating a Spare Drive Manually. G-Technology’s general recommendation is to acquire at least one spare drive and configure the spare(s) as a global revertible spare drive(s).
  • Page 99: Running A Transition

    Configuring G-SPEED Studio XL G SPEED STUDIO with Thunderbolt™ Requirements The spare drive must have adequate capacity to replace the largest physical drive in your disk arrays. Additionally, it must be the same media type as the physical drives in your disk arrays. A revertible spare drive requires you to replace the failed physical drive in the disk array and run the Transition function.
  • Page 100: Maintenance For Your Drive

    Maintenance for Your Drive • Replace a Failed Disk Drive ....... p. 101 • Initialize Drive for Mac® ......p. 103 • Restore the Drive Icon ......p. 106 • Reformat with Partitions ......p. 108...
  • Page 101: Replace A Failed Disk Drive

    Maintenance for Your Drive G SPEED STUDIO with Thunderbolt™ Replace a Failed Disk Drive The G-SPEED Studio RAID Controller continually monitors the health of each disk drive in G-SPEED Studio XL. In the event of a disk failure, you will be alerted based on the notification settings you entered in Set Up Alert Notifications.
  • Page 102 Maintenance for Your Drive G SPEED STUDIO with Thunderbolt™ 1. Launch the G-SPEED Studio Software Utility. 2. Select the Physical Drive. 3. The Physical Drive List will show all of the drives and next to its name the status will indicate Dead. 4.
  • Page 103: Initialize Drive For Mac

    NOTE: Replacement and/or extra G-SPEED Studio XL disk modules are available for purchase online at: www.g-technology.com/products/g-speed-studio-raid Initialize Drive for Mac® Your G-SPEED Studio XL was factory-formatted (“initialized”) for Mac OS® X. You can reinitialize either to quickly erase the contents of the drive or to reconfigure the RAID mode. Here are the steps: 1.
  • Page 104 Maintenance for Your Drive G SPEED STUDIO with Thunderbolt™ 2. Select G-SPEED Studio XL by clicking its drive icon in the left column. Information about the drive will be displayed at the bottom of the window. 3. Select the Erase tab to view formatting options. Select Mac OS® Extended on the Format menu and enter “G-SPEED Studio XL”...
  • Page 105 Maintenance for Your Drive G SPEED STUDIO with Thunderbolt™ 6. After the drive is reinitialized, you should automatically see the Time Machine dialog box. Click the Don’t Use button if you do not want to your G-SPEED Studio XL as a Time Machine backup target. 7.
  • Page 106: Restore The Drive Icon

    There will be a link to download the drive icon. 2. Once downloaded, double-click the ZIP file to open. Next, double-click the DMG file to open the G-Technology Icons package. 3. Click to select the drive icon for G-SPEED Studio XL in the package window. Press Command+C to copy the icon (see below).
  • Page 107 Maintenance for Your Drive G SPEED STUDIO with Thunderbolt™ 4. Select the G-SPEED Studio XL icon on your desktop and press Command+I. This will open its Get Info window (below left). 5. Select the default icon in the Get Info window (below left). 6.
  • Page 108: Reformat With Partitions

    42TB G-SPEED Studio XL connected via Thunderbolt. 1. First, open Disk Utility. This application is located on your hard drive under Applications > Utilities > Disk Utility. The window shown below will appear. Your G-Technology drive will be displayed in the left column. p. 108...
  • Page 109 STUDIO with Thunderbolt™ 2. Select the appropriate icon — not the G-Technology drive icon — by clicking it in the left column. Click on the Partition button in the main window. 4. Select the number of partitions you would like from the Volume Scheme menu. Below, we have selected “2 Partitions”...
  • Page 110 6. Repeat this process for each partition you have created. 7. Click the Apply button in the lower-right corner of the window. A dialog box will appear asking if you want to erase the G-Technology drive partition. WARNING: THIS NEXT STEP WILL ERASE ALL DATA ON YOUR DRIVE.
  • Page 111 9. When partitioning is complete, the multiple partitions will be displayed in the Disk Utility’s left panel. 10. Quit Disk Utility: After reinitializing the drive, the custom icon for the G-Technology drive will have been erased. You can optionally restore this icon to each partition with the steps on this page.
  • Page 112: Appendix

    Appendix • RAID Levels Explained ......p. 113...
  • Page 113: Raid Levels Explained

    Appendix G SPEED STUDIO with Thunderbolt™ RAID Levels Explained RAID Level Description Advantage Disadvantage Ideal for Disk stripping Offers the highest No fault tolerance – Content creation performance and failure of one drive applications requiring a 100% of total in the array results in highest performance available storage complete data loss...
  • Page 114: Support & Warranty

    Support & Warranty • Technical Support ........p. 115 • Limited Warranty ........p. 116 • Copyright ........... p. 118...
  • Page 115: Technical Support

    Thank you for purchasing G-SPEED Studio XL. If you have any comments or questions about this manual or the product, please let us know! G-Technology appreciates and values its customers. We strive to give you the finest service and support. If you encounter any difficulties while installing or using your G-SPEED Studio XL, please contact G-Technology Technical Support at: www.g-technology.com/contact/contact_support...
  • Page 116: Limited Warranty

    Thunderbolt™ Limited Warranty Limited Warranty HGST, a Western Digital Company (“HGST”) including G-Technology for External Hard Disk Drives What does this limited warranty cover? This limited warranty applies to new HGST products purchased from an authorized HGST dealer by the original purchaser for normal use and not for resale.
  • Page 117 Support & Warranty G SPEED STUDIO with Thunderbolt™ insurance in shipping the drive to our logistics center. You should remove all personal information from the product prior to its return. What will HGST do? HGST will replace the drive with a functionally equivalent replacement product, transportation prepaid.
  • Page 118: Copyright

    Thunderbolt™ Capacity Definition and Disclaimer For G-Technology products 1TB or greater: 1 gigabyte (GB) is equal to 1 billion bytes and 1 terabyte (TB) equals 1,000 GB (1 trillion bytes). Accessible capacity will vary from the stated capacity due to formatting and partitioning of the hard drive, the computer’s operating system, and other factors.
  • Page 119 Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation in the U.S. and/or other countries. Design by G-Technology in California. G-SPEED, G-Technology and the G-Technology logo are registered trademarks of HGST, Inc. and its affiliates in the U.S. and other countries. Apple, Mac, MacBook Pro, Time Machine and the Mac logo are trademarks of Apple, Inc.

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